NEC E905-AVT External Control Codes
NEC E905-AVT Manual
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- NEC E905-AVT | External Control Codes - Page 1
External Control NEC LCD Monitor INDEX Rev.1.1 (G2E) I. Application 3 II. Preparation 4 2. Connectors and wiring 4 2.1 RS-232C 11 4.4 Delimiter 12 5. Message type 13 5.1 Get current Parameter from a monitor 13 5.2 "Get parameter" reply 14 5.3 Set parameter 16 5.4 "Set parameter - NEC E905-AVT | External Control Codes - Page 2
80 16.1 Firmware Version Read 80 17. Input Name 82 17.1 Input Name Read 82 17.2 Input Name Write 84 17.3 Input Name Reset 86 18. Power Save Mode 88 18.1 Power Save Mode Read 88 18.2 Power Save Mode Write 90 18.3 Auto Power Save Time Read 92 18.4 Auto Power - NEC E905-AVT | External Control Codes - Page 3
I. Application This document defines the communications method for control of the NEC LCD monitor, MultiSync E705 /E805 /E905 when using an external controller. (3/104) - NEC E905-AVT | External Control Codes - Page 4
-232C Remote control Connector: 9-pin D-Sub Cable: Cross (reversed) cable or null modem cable (Please refer "Controlling the LCD monitor via RS-232C Remote control" on User's manual.) 2.2 LAN control Connector: RJ-45 10/100 BASE-T Cable: Category 5 or higher LAN cable (Please refer "Controlling the - NEC E905-AVT | External Control Codes - Page 5
layer (TCP) * Using the payload of TCP segment. (Default) Automatic setup * If you need to change, Please refer "Network settings" on User's manual. 7142 (Fixed) (Note) The monitor will disconnect the connection if no packet data is received for 15 minutes. And the controller (PC) has to re-connect - NEC E905-AVT | External Control Codes - Page 6
command (see the part 7 to 24. and 5.5.2) Controller Header Command Message Check Code Delimiter Header Command Reply Message Check Code Delimiter Monitor The control does not suitable for above fixed protocol; use the proper command for each control. Please refer section 5.5 and section - NEC E905-AVT | External Control Codes - Page 7
60h 61h 62h 63h 64h 65h 66h 67h 68h 69h 6Ah 6Bh 6Ch 6Dh 6Eh 6Fh 70h 71h 72h Monitor ID 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 80h 81h 82h 83h 84h 85h 86h 87h 88h 89h 8Ah 8Bh Monitor ID 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 Destination Address - NEC E905-AVT | External Control Codes - Page 8
'*'(2Ah). 4thbyte) Source: Source equipment ID. (Sender) Specify a sender address. The controller must be '0' (30h). On the reply, the monitor sets the own MONITOR ID in here. 5thbyte) Message Type: (Case sensitive.) Refer to section 4.2 "Message block format" for more details. ASCII 'A' (41h - NEC E905-AVT | External Control Codes - Page 9
MSB LSB MSB LSB Ø Refer to section 5.2 "Get parameter reply" for more details. 3)Set parameter The controller sends this message to change a setting of the monitor. Message format of the "Set parameter" is as follows, STX OP code OP code Set Value ETX page Hi Lo Hi Lo MSB LSB Ø Refer - NEC E905-AVT | External Control Codes - Page 10
current settings", "Get timing report", "power control", "Schedule", etc. Refer to section 5.5 "Commands message" for more details. 6)Command reply The monitor replies to a query from the controller. "Command reply message" format depends on each command. Refer to section 5.5 "Commands message" for - NEC E905-AVT | External Control Codes - Page 11
4.3 Check code Header Message Check code Delimiter Check code is the Block Check Code (BCC) between the Header and the End of Message except SOH. SOH D0 Reserved D1 Destination D2 Source D3 Type D4 Length(H) D5 Length(L) D6 STX D7 Data D8 | | | | ETX Dn Check code Dn+1 - NEC E905-AVT | External Control Codes - Page 12
4.4 Delimiter Header Message Packet delimiter code; ASCII CR(0Dh). Check code Delimiter (12/104) - NEC E905-AVT | External Control Codes - Page 13
OP code ETX page Hi Lo Hi Lo 1st 2nd-3rd 4th-5th 6th Send this message when you want to get the status of a monitor. For the status that you want to get, specify the "OP code page" the "OP code", refer to "Appendix A. Operation code table". 1stbyte) STX: Start - NEC E905-AVT | External Control Codes - Page 14
4th-5th 6th -7th 8th -9th 10th -13th 14th -17th 18th The monitor replies with a current value and the status of the requested item (operation bytes indicate a replying item's OP code page. This returned value from the monitor is encoded to ASCII characters. Ex.) The byte data 02h is encoded to - NEC E905-AVT | External Control Codes - Page 15
18thbyte) ETX: End of Message ASCII ETX (03h) (15/104) - NEC E905-AVT | External Control Codes - Page 16
Value ETX page Hi Lo Hi Lo MSB LSB 1st 2nd-3rd 4th-5th 6th-9th 10th Send this message to change monitor's adjustment and so on. The controller requests a monitor to change value. 1stbyte) STX: Start of Message ASCII STX (02h) 2nd-3rdbytes) OP code page: Operation code page This OP - NEC E905-AVT | External Control Codes - Page 17
Hi Lo 6th-7th Type Hi Lo 8th-9th Max value MSB LSB 10th-13th Requested setting ETX Value MSB LSB 14th -17th 18th The Monitor echoes back the parameter and status of the requested operation code. 1stbyte) STX: Start of Message ASCII STX (02h) 2nd-3rdbytes) Result code ASCII '0''0' (30h - NEC E905-AVT | External Control Codes - Page 18
on each command. Some commands are shown with usage. Refer to section 7 to 13. 5.5.1 Save Current Settings. The controller requests for the monitor to store the adjusted value. STX Command code '0' 'C' ETX Ø Send "OC"(30h, 43h) as Save current settings command. Ø Complete "Save Current - NEC E905-AVT | External Control Codes - Page 19
5.5.2 Get Timing Report and Timing reply. The controller requests the monitor to report the displayed image timing. STX Command code '0' '7' ETX Ø Send "07"(30h, 37h) as Get Timing Report command. Ø Complete "Get Timing Report" command packet as follows; ASCII: 01h- - NEC E905-AVT | External Control Codes - Page 20
if the "Start Proof of Play" command is sent and the monitor has already started Proof of Play. Ø A null message will be returned by the monitor if the "Stop Proof of Play" command is sent and the monitor has not started Proof of Play. Ø Complete "NULL Message" command packet as follows - NEC E905-AVT | External Control Codes - Page 21
to change the "Backlight" setting. Step 1. The controller requests the Monitor to reply with the current brightness setting and capability to support this operation. (Get parameter) Header SOH-'0'-Monitor ID'0'-'C'-'0'-'6' Message STX-'0'-'0'-'1'-'0'-ETX Check code Delimiter BCC CR Header SOH - NEC E905-AVT | External Control Codes - Page 22
Header SOH (01h): Start of Header '0' (30h): Reserved '0' (30h): Message receiver is the controller. Monitor ID: Indicate a replying Monitor ID. Ex.) When this byte is set to 'A', the replying Monitor ID is '1'. 'F' (46h): Message Type is "Set parameter reply". '1'-'2' (31h, 32h): Message length is - NEC E905-AVT | External Control Codes - Page 23
STX-'0-'C'-ETX Check code Delimiter BCC CR Header SOH (01h): Start of Header '0' (30h): Reserved Monitor ID: Specify the Monitor ID which you want to store the setting. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h): Message sender is the controller. 'A' (41h): Message type is "Command - NEC E905-AVT | External Control Codes - Page 24
6.2. How to read the measurement value of the built-in temperature sensors. MultiSync E705 /E805 /E905 have three built-in temperature sensors. The controller can monitor inside temperatures by using those sensors with external control. The following shows the procedure for reading the temperatures - NEC E905-AVT | External Control Codes - Page 25
Message STX-'0'-'2'-'7'-'9'-ETX Check code Delimiter BCC CR Header SOH (01h): Start of Header '0' (30h): Reserved Monitor ID: Specify the Monitor ID which you want to get a value. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h): Message sender is the controller. 'C' (43h): Message Type is "Get - NEC E905-AVT | External Control Codes - Page 26
Readout value is 2's complement. Temperature [Celsius] +125.0 + 25.0 + 0.5 0 - 0.5 - 25.0 - 55.0 Readout value Binary 0000 0000 1111 1010 0000 0000 0011 0010 0000 0000 0000 0001 0000 0000 0000 0000 1111 1111 1111 1111 1111 1111 1100 1110 1111 1111 1001 0010 Hexadecimal 00FAh 0032h 0001h 0000h - NEC E905-AVT | External Control Codes - Page 27
6.3. Operation Code (OP code) Table PICTU RE Item BACKLIGHT CONTRAST SHARPNESS BRIGHTNESS HUE COLOR COLOR TEMPERATURE COLOR TEMPERATURE (CUSTOM) R GAIN B GAIN G GAIN COLOR CONTROL GAMMA CORRECTION MOVIE SETTINGS ADAPTIVE CONTRAST NOISE REDUCTION OP code page 00h 00h 00h 00h 00h 02h 00h 00h - NEC E905-AVT | External Control Codes - Page 28
0: Bottom side | Max.: Top side 0: | Max. : 0: | Max. : 0: Low | Max. : High 0: Low | Max.: High Remarks sRGB: PC mode only CINEMA: A/V mode only Momentary Momentary Depends on a display timing Depends on a display timing ADJUS T (28/104) - NEC E905-AVT | External Control Codes - Page 29
Item 5= -- / 1366x768 -- / -- / -0: No mean 1: NORMAL 2: FULL 3: WIDE 4: ZOOM 6: DYNAMIC 7: 1:1 0-89(59h): No mean 90(5Ah): 90% 91(5Bh): 91% | 100(64h): 100% | 300(12Ch): 300% 0-89(59h): No mean 90(5Ah): 90% 91(5Bh): 91% | 100(64h): 100% | 300(12Ch): 300% Remarks Wide: Dynamic A/V mode only The - NEC E905-AVT | External Control Codes - Page 30
(ADJUST) VOLUME BALANCE TREBLE BASS PIP AUDIO LINE OUT SURROUND V ZOOM H POS V POS OP code page 11h OP code 2Eh Parameter 0-89(59h): No mean 90(5Ah): 90% 91(5Bh): 91% | 100(64h): 100% | 300(12Ch): 300% 02h CCh 02h CDh 02h D7h 10h B8h 02h CBh 00h 62h 00h 93h 00h - NEC E905-AVT | External Control Codes - Page 31
SCHDU LE Item AUDIO INPUT AUDIO DELAY DELAY TIME RESET (AUDIO) OFF TIMER SCHEDULE ENABLE DISABLE SCHEDULE SETTINGS DATE & TIME DAYLIGHT SAVING RESET (SCHEDULE) KEEP PIP MODE PIP MODE PIP SIZE PIP POSITION X Y ASPECT OP code page OP code Parameter 02h 2Eh 0: No mean 1: IN1 2: IN2 - NEC E905-AVT | External Control Codes - Page 32
IN PIP INPUT(SUB INPUT) RESET (PIP) LANGUAGE MENU DISPLAY TIME OSD POSITION X Y INFORMATION OSD MONITOR INFORMATION MODEL NAME SERIAL FIRMWARE1 OP OP code Parameter code of selection. Please refer to the monitor instruction manual. Momentary OSD Language 5sec/step OS D (32/104) - NEC E905-AVT | External Control Codes - Page 33
OSD ROTATION INPUT NAME NAME RESET MEMO RESET (OSD) MONITOR ID GROUP ID IR LOCK SETTING MODE SELECT OP OP 1: Rotated Refer to chapter 17 10h BAh 02h CBh 02h 3Eh 10h 7Fh 10h D4h 0: No mean 1: Display a Memo 2: Undisplay a Memo 0: No mean 7: Reset OSD category 1-100:ID 0: No assignment 1: Group - NEC E905-AVT | External Control Codes - Page 34
D8h 10h BCh 02h BEh 02h CBh 0: Off (0sec) | 50(32h): 50sec 0: No mean 1: OFF 2: ON 0: No mean 1: ON 2: OFF 0: No mean 8: Reset Multi Display Category Momentary Refer to Chapter 18 02h 7Ah /7Bh Select target FAN. (7Ah) 0: No mean 1: FAN#1 2: FAN#2 3: FAN#3 Read status of target FAN.(7Bh) 0: OFF - NEC E905-AVT | External Control Codes - Page 35
OFF 2: ON 02h DCh 0: No mean 1: OFF 2: ON 02h DDh 0: OFF(0s) | 90(5Ah): 900s 10h 35h 0 : 95% | 5 : 100% | 10(0Ah) : 105% 100(64h): White N/A Refer to Chapter 19 02h CBh 0: No mean 9: Reset Display Protection category N/A Refer to Chapter 20 10h D3h 0: No mean 1: OFF 2: ON - NEC E905-AVT | External Control Codes - Page 36
Item INPUT CHANGE G-H. POSITION B-H. POSITION SYNC TERMINATION INPUT CHANGE INPUT1 INPUT2 TERMINA L SETTING DVI MODE BNC MODE D-SUB MODE HDMI SIGNAL DEINTERLACE COLOR SYSTEM OP code page 02h 02h 02h OP code 59h 5Ah E1h 10h 86h 10h CEh 10h CFh 02h CFh 10h 7Eh 10h 8Eh 10h 40h 02h 25h - NEC E905-AVT | External Control Codes - Page 37
02h CBh INPUT 00h 60h AUDIO INPUT VOLUME UP/DOWN MUTE SCREEN MUTE MTS SOUND PICTURE MODE 02h 2Eh 00h 62h 00h 8Dh 10h B6h 02h 2Ch 5: CINEMA 8: CUSTOM1 9: CUSTOM2 Read only Momentary Momentary This operation requires supported option TV tuner. Same as 'SURROUND' sRGB: PC mode only CINEMA: A/V - NEC E905-AVT | External Control Codes - Page 38
2: SENSOR #2 3: SENSOR #3 WIDE: A/V mode only This operation has limitation of selection. Please refer to the monitor instruction manual. Momentary Momentary This operation requires supported option TV tuner. 02h 79h Returned value is 2's complement. Refer to section 6.2 Read only 10h 10h 10h - NEC E905-AVT | External Control Codes - Page 39
'A', the replying Monitor ID is '1'. 'B' (42h): Message Type is "Command reply". '1'-'2' (31h, 32h): Message length is 18 bytes. Message STX (02h):Start of Message '0'-'2' (30h, 32h): Reserved data '0'-'0' (30h, 30h): Result code 00: No Error. 01: Unsupported. 'D'-'6'(44h, 36h): Display power mode - NEC E905-AVT | External Control Codes - Page 40
Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (40/104) - NEC E905-AVT | External Control Codes - Page 41
(02h): Start of Message '0'-'0' (30h, 30h): Result code. No error. 'C'-'2','0'-'3'-'D'-'6' (43h, 32h, 30h, 33h, 44h, 36h): power control reply command Ø The monitor replies same as power control command to the controller. '0'-'0'-'0'-'1' (30h, 30h, 30h, 31h): Power mode 0001: ON 0002, 0003: Do not - NEC E905-AVT | External Control Codes - Page 42
Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (42/104) - NEC E905-AVT | External Control Codes - Page 43
MultiSync E705 /E805 /E905 have the area for to store user's asset data of up to 64bytes. 8.1 Asset Data Read Request and reply This command is used in order to read Asset Data. 1) The controller requests the monitor to reply with Asset data. Header SOH-'0'-Monitor ID'0'-'A'-'0'-'A' Message STX - NEC E905-AVT | External Control Codes - Page 44
Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (44/104) - NEC E905-AVT | External Control Codes - Page 45
sender is the controller. 'A' (41h): Message type is "Command". N-N: Message length Note.) The maximum data length that can be written to the monitor at a time is 32bytes. Message STX (02h): Start of Message 'C'-'0'-'0'-'E' (43h, 30h, 30h, 45h): Asset Data writes command '0'-'0'(30h, 30h): Offset - NEC E905-AVT | External Control Codes - Page 46
CR (0Dh): End of packet (46/104) - NEC E905-AVT | External Control Codes - Page 47
Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies Date & Time to the controller. Header SOH-'0'-'0'-Monitor ID- 'B'-'1'-'4' Message STX-'C'-'3'-'1'-'1'- YY-MM-DD-WW-HH-MN-DS-ETX Check code Delimiter BCC CR Header SOH - NEC E905-AVT | External Control Codes - Page 48
'1'-'F'(31h, 46h): 31(=1Fh) WW: weekdays '0'-'0'(30h, 30h): Sunday '0'-'1'(30h, 31h): Monday '0'-'2'(30h, 32h): Tuesday '0'-'3'(30h, 33h): Wednesday '0'-'4'(30h, 34h): Thursday '0'-'5'(30h, 35h): Friday '0'-'6'(30h, 36h): Saturday HH: Hours '0'-'0'(30h, 30h): 0 | '1'-'7'(31h, 37h): 23 (=17h) MN: - NEC E905-AVT | External Control Codes - Page 49
& Time Write This command is used in order to write the setting of the Date & Time. 1) The controller requests the monitor to write Date & Time. Header SOH-'0'-Monitor ID- '0'-'A'-'1'-'2' Message STX-'C'-'2'-'1'-'2'- YY-MM-DD-WW-HH-MN-DS-ETX Check code BCC Delimiter CR Header SOH (01h): Start - NEC E905-AVT | External Control Codes - Page 50
Header SOH (01h): Start of Header '0' (30h): Reserved '0' (30h): Message receiver is the controller. Monitor ID: Indicate a replying Monitor ID. Ex.) When this byte is set to 'A', the replying Monitor ID is '1'. 'B' (42h): Message type is "Command reply". '1'-'6'(31h, 36h): Message length Message - NEC E905-AVT | External Control Codes - Page 51
Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (51/104) - NEC E905-AVT | External Control Codes - Page 52
Read This command is used in order to read the setting of the Schedule. 1) The controller requests the monitor to read Schedule. Header Message SOH-'0'-Monitor ID- STX-'C'-'2'-'2'-'1'-PG-ETX '0'-'A'-'0'-'8' Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h): Reserved - NEC E905-AVT | External Control Codes - Page 53
memory) '0'-'1'(30h,31h): sRGB '0'-'3'(30h,33h): HIGHBRIGHT '0'-'4'(30h,34h): STANDARD '0'-'5'(30h,34h): CINEMA '0'-'D'(30h,44h): CUSTOM1 '0'-'E'(30h,45h): CUSTOM2 EXT1: Extension1 '0'-'0'(30h,30h): (On this monitor, it is always '00') EXT2: Extension 2 '0'-'0'(30h,30h): (On this - NEC E905-AVT | External Control Codes - Page 54
, it is always '00') EXT5: Extension 5 '0'-'0'(30h,30h): (On this monitor, it is always '00') EXT6: Extension 6 '0'-'0'(30h,30h): (On this monitor, it is always '00') EXT7: Extension 7 '0'-'0'(30h,30h): (On this monitor, it is always '00') ETX (03h): End of Message Check code BCC: Block Check Code - NEC E905-AVT | External Control Codes - Page 55
Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies Schedule to the controller. Header SOH-'0'-'0'-Monitor ID- 'B'-'1'-'6' Message STX-'C'-'3'-'1'-'3'-PG-ON HOUR-ON MIN- OFF HOUR-OFF MIN-INPUT-WD-FL-ETX Check code - NEC E905-AVT | External Control Codes - Page 56
ON_MIN: Turn on time (minute) '0'-'0'(30h, 30h): 0 | '3'-'B'(33h, 42h): 59 '3'-'C'(33h, 43h): On timer isn't set. OFF_HOUR: Turn off time (hour) '0'-'0'(30h, 30h): 00 | '1'-'7'(31h, 37h): 23 (=17h) '1'-'8'(31h, 38h): Off timer isn't set. OFF_MIN: Turn off time (minute) '0'-'0'(30h, 30h): 0 | - NEC E905-AVT | External Control Codes - Page 57
10.2 Schedule Write This command is used in order to write the setting of the Schedule. 1) The controller requests the monitor to write Schedule. Header SOH-'0'-Monitor ID- '0'-'A'-'2'-'6' Message STX-'C'-'2'-'2'-'2'-PG-ON HOUR-ON MINOFF HOUR-OFF MIN-INPUT-WD-FL-P MODEEXT1-EXT2-EXT3-EXT4-EXT5- - NEC E905-AVT | External Control Codes - Page 58
, it is always '00') EXT5: Extension 5 '0'-'0'(30h,30h): (On this monitor, it is always '00') EXT6: Extension 6 '0'-'0'(30h,30h): (On this monitor, it is always '00') EXT7: Extension 7 '0'-'0'(30h,30h): (On this monitor, it is always '00') ETX (03h): End of Message Check code BCC: Block Check Code - NEC E905-AVT | External Control Codes - Page 59
Header SOH (01h): Start of Header '0' (30h): Reserved '0' (30h): Message receiver is the controller. Monitor ID: Indicate a replying Monitor ID. Ex.) When this byte is set to 'A', the replying Monitor ID is '1'. 'B' (42h): Message type is "Command reply". '2'-'8'(32h, 38h): Message length Message - NEC E905-AVT | External Control Codes - Page 60
code" for a BCC calculation. Delimiter CR (0Dh): End of packet 3) The controller requests the monitor to write Enable/Disable Schedule. Header Message Check code SOH-'0'-Monitor ID- STX-'C'-'2'-'1'-'5'-PG-EN-ETX BCC '0'-'A'-'0'-'A' Delimiter CR Header SOH (01h): Start of Header '0' (30h - NEC E905-AVT | External Control Codes - Page 61
Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 4) The monitor replies a data for confirmation. Header Message SOH-'0'-'0'-Monitor ID- STX-'C'-'3'-'1'-'5'-ST-PG-EN-ETX 'B'-'0'-'C' Check code Delimiter BCC CR Header SOH (01h): Start of Header - NEC E905-AVT | External Control Codes - Page 62
used for to keep backward compatibility, in order to write the setting of the Schedule. 1) The controller requests the monitor to write Schedule. Header SOH-'0'-Monitor ID'0'-'A'-'1'-'6' Message STX-'C'-'2'-'1'-'4'-PG-ON HOUR-ON MINOFF HOUR-OFF MIN-INPUT-WD-FL-ETX Check code Delimiter BCC CR - NEC E905-AVT | External Control Codes - Page 63
Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies a data for confirmation. Header Message SOH-'0'-'0'-Monitor ID'B'-'1'-'8' STX-'C'-'3'-'1'-'4'-ST-PG-ON HOUR-ON MINOFF HOUR-OFF MIN-INPUT-WD-FL-ETX Check code BCC - NEC E905-AVT | External Control Codes - Page 64
ID- STX-'C'-'2'-'1'-'5'-PG-EN-ETX BCC CR '0'-'A'-'0'-'A' Header SOH (01h): Start of Header '0' (30h): Reserved Monitor ID: Specify the Monitor ID of which you want to change a setting. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h): Message sender is the controller. 'A' (41h): Message type is - NEC E905-AVT | External Control Codes - Page 65
Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 4) The monitor replies a data for confirmation. Header Message SOH-'0'-'0'-Monitor ID- STX-'C'-'3'-'1'-'5'-ST-PG-EN-ETX 'B'-'0'-'C' Check code Delimiter BCC CR Header SOH (01h): Start of Header - NEC E905-AVT | External Control Codes - Page 66
is "Command reply". N-N: Message length Note.) The maximum data length that can be written to the monitor at a time is 32bytes. Ex.) The byte data 20h is encoded as ASCII characters '2' and A2: SENSOR reached at the temperature that the user had specified. 'B'-'0'(42h, 30h):B0: No signal (66/104) - NEC E905-AVT | External Control Codes - Page 67
'D'-'0'(44h, 30h):D0: PROOF OF PLAY buffer reduction 'E'-'0'(45h, 30h):E0: System error ETX (03h): End of Message Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (67/104) - NEC E905-AVT | External Control Codes - Page 68
'B' (42h): Message type is "Command reply". N-N: Message length Note.) The maximum data length that can be returned from the monitor at a time is 32bytes. Ex.) The byte data 20h is encoded as ASCII characters '2' and '0' (32h and 30h). Message STX (02h): Start of Message 'C'-'3'-'1'-'6' (41h - NEC E905-AVT | External Control Codes - Page 69
Note: No null termination character is sent. ETX (03h): End of Message Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (69/104) - NEC E905-AVT | External Control Codes - Page 70
'B' (42h): Message type is "Command reply". N-N: Message length Note.) The maximum data length that can be returned from the monitor at a time is 32bytes. Ex.) The byte data 20h is encoded as ASCII characters '2' and '0' (32h and 30h). Message STX (02h): Start of Message 'C'-'3'-'1'-'7' (43h - NEC E905-AVT | External Control Codes - Page 71
Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (71/104) - NEC E905-AVT | External Control Codes - Page 72
Lock Control This command sets the condition of security lock function to "LOCK" or "UNLOCK". If security pass codes 1st to 4th are matched with monitor resisted pass codes, then this command is executed, and reply no error status and a new condition. If codes aren't matched with them then setting - NEC E905-AVT | External Control Codes - Page 73
Header SOH (01h): Start of Header '0' (30h): Reserved '0' (30h): Message receiver is the controller. Monitor ID: Indicate a replying Monitor ID. Ex.) When this byte is set to 'A', the replying Monitor ID is '1'. 'B' (42h): Message type is "Command reply". '0'-'A'(30h, 41h): Message length Message - NEC E905-AVT | External Control Codes - Page 74
Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies the result to the controller. Header SOH-'0'-'0'-Monitor ID'B'-'1'-'2' Message STX-'C'-'3'-'2'-'C'MajorCH-MinorCH-ETX Check code Delimiter BCC CR Header SOH (01h): Start of - NEC E905-AVT | External Control Codes - Page 75
-'C'-'2'-'2'-'D'- BCC CR '0'-'A'-'1'-'2' MajorCH-MinorCH-ETX Header SOH (01h): Start of Header '0' (30h): Reserved Monitor ID: Specify the Monitor ID which you want to get Model Name. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h): Message sender is the controller. 'A' (41h): Message type is - NEC E905-AVT | External Control Codes - Page 76
Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies Date & Time to the controller. Header Message SOH-'0'-'0'-Monitor ID'B'-'2'-'0' STX-'C'-'B'-'0'-'1'-'0'-'0'-ST-BM-BD1-BD -BT1-BT2-EM-ED1-ED2-ET1-ET2-TD-ETX Check code BCC - NEC E905-AVT | External Control Codes - Page 77
LAST : 05h (30h, 35h) BD2: BEGIN DAY2 (Day of the week) SUNDAY : 01h (30h, 31h) MONDAY : 02h (30h, 32h) TUESDAY : 03h (30h, 33h) WEDNESDAY : 04h (30h, 34h) THURSDAY : 05h (30h, 35h) FRIDAY : 06h (30h, 36h) SATURDAY : 07h (30h, 37h) BT1: BEGIN TIME1 (Hour) 00h (30h, 30h) - 23 (32h, - NEC E905-AVT | External Control Codes - Page 78
Write This command is used in order to write the setting of the Daylight Saving. 1) The controller requests the monitor to write Daylight Saving. Header SOH-'0'-Monitor ID'0'-'A'-'1'-'E' Message STX-'C'-'A'-'0'-'1'-'0'-'1'-BM-BD1-BD2BT1-BT2-EM-ED1-ED2-ET1-ET2-TD-ETX Check code BCC Delimiter CR - NEC E905-AVT | External Control Codes - Page 79
CR Header SOH (01h): Start of Header '0' (30h): Reserved '0' (30h): Message receiver is the controller. Monitor ID: Indicate a replying Monitor ID. Ex.) When this byte is set to 'A', replying monitor's ID is '1'. 'B' (42h): Message type is "Command reply". '0'-'A'(30h, 41h): Message length (10bytes - NEC E905-AVT | External Control Codes - Page 80
Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies a firmware version to the controller. Header SOH-'0'-Monitor ID- '0'-'B'-'1'-'1' Message STX-'C'-B'-'0'-'2'-ST-TY-MV- PP-BV1-BV2-BV3-BR1-BR2-ETX Check code BCC Delimiter CR - NEC E905-AVT | External Control Codes - Page 81
00h (30h, 30h) - 09h (30h, 39h) PP: Period: 2Eh (32h, 45h) (fixed) BV1: Minor (Basic) Version1: 00h (30h, 30h) - 09h (30h, 39h) BV2: Minor (Basic) Version2: 00h (30h, 30h) - 09h (30h, 39h) BV3: Minor (Basic) Version3: 00h (30h, 30h) - 09h (30h, 39h) BR1: Branch Version1: A:41h (34h, 31h) - Z:5Ah ( - NEC E905-AVT | External Control Codes - Page 82
CR Header SOH (01h): Start of Header '0' (30h): Reserved '0' (30h): Message receiver is the controller. Monitor ID: Indicate a replying Monitor ID. Ex.) When this byte is set to 'A', replying monitor's ID is '1'. 'B' (42h): Message type is "Command reply". LN(H)-LN(L): Message length (byte length - NEC E905-AVT | External Control Codes - Page 83
Example: 56h 47h 41h -> "VGA" Result: Input Name is "VGA". Note: No null termination character is sent. ETX (03h): End of Message Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (83/104) - NEC E905-AVT | External Control Codes - Page 84
This command is used in order to write the setting of Input Name. 1) The controller requests the monitor to write Input Name. Header Message SOH-'0'-Monitor ID'0'-'A'- LN(H)-LN(L) STX-'C'-'A'-'0'-'4'-'0'-1'Data(0)-Data(1)-Data(2)- --- -Data(n)-ETX Check code BCC Delimiter CR Header SOH (01h - NEC E905-AVT | External Control Codes - Page 85
ST: Status 00h (30h, 30h): No Error 01h (30h, 31h): Error ETX (03h): End of Message Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (85/104) - NEC E905-AVT | External Control Codes - Page 86
Name Reset This command is used in order to reset the Input Name. 1) The controller requests the monitor to reset Input Name. Header SOH-'0'-Monitor ID'0'-'A'-'0'-'8' Message STX-'C'-'A'-'0'-'4'-'0'-'2'-ETX Check code Delimiter BCC CR Header SOH (01h): Start of Header '0' (30h): Reserved - NEC E905-AVT | External Control Codes - Page 87
Delimiter CR (0Dh): End of packet (87/104) - NEC E905-AVT | External Control Codes - Page 88
Mode Read This command is used in order to read the Power Save Mode. 1) The controller requests the monitor to read Power Save Mode Header SOH-'0'-Monitor ID'0'-'A'-'0'-'8' Message STX-'C'-'A'-'0'-'B'-0'-'0'-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h): Reserved - NEC E905-AVT | External Control Codes - Page 89
Delimiter CR (0Dh): End of packet (89/104) - NEC E905-AVT | External Control Codes - Page 90
setting of Power Save Mode. 1) The controller requests the monitor to write Power Save Mode. Header SOH-'0'-Monitor ID'0'-'A'-'0'-'A' Message STX-'C'-'A'-'0'-'B'-0'-'1'-MODE-ETX Check code BCC Delimiter CR Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. (90/104) - NEC E905-AVT | External Control Codes - Page 91
Delimiter CR (0Dh): End of packet (91/104) - NEC E905-AVT | External Control Codes - Page 92
is used in order to read the setting of Auto Power Save Time. 1) The controller requests the monitor to reply Time setting. Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'8' Message STX-'C'-'A'-'0'-'B'-'0'-'2'-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h): Reserved - NEC E905-AVT | External Control Codes - Page 93
command is used in order to write the setting of Auto Power Save Time. 1) The controller requests the monitor to write Time. Header SOH-'0'-Monitor ID'0'-'A'-'0'-'A' Message STX-'C'-'A'-'0'-'B'-0'-'3'-TIME-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h): Reserved - NEC E905-AVT | External Control Codes - Page 94
Delimiter CR (0Dh): End of packet (94/104) - NEC E905-AVT | External Control Codes - Page 95
command is used in order to read the setting of Auto Standby Time. 1) The controller requests the monitor to reply Time setting. Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'8' Message STX-'C'-'A'-'0'-'B'-'0'-'4'-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h): Reserved - NEC E905-AVT | External Control Codes - Page 96
This command is used in order to write the setting of Auto Standby Time. 1) The controller requests the monitor to write Time. Header SOH-'0'-Monitor ID-'0''A'-'0'-'A' Message STX-'C'-'A'-'0'-'B'-0'-'5'-TIME-ETX Check code Delimiter BCC CR Header SOH (01h): Start of Header '0' (30h): Reserved - NEC E905-AVT | External Control Codes - Page 97
Delimiter CR (0Dh): End of packet (97/104) - NEC E905-AVT | External Control Codes - Page 98
Security Enable Read This command is used in order to read the Security Enable. 1) The controller requests the monitor to read Security Enable Header SOH-'0'-Monitor ID'0'-'A'-'0'-'8' Message STX-'C'-'A'-'0'-'C'-'0'-'2'-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h - NEC E905-AVT | External Control Codes - Page 99
Delimiter CR (0Dh): End of packet (99/104) - NEC E905-AVT | External Control Codes - Page 100
This command is used in order to write the setting of Security Enable. 1) The controller requests the monitor to set Security password. Header SOH-'0'-Monitor ID'0'-'A'-'1'-'C' Message STX-'C'-'A'-'0'-'C'-'0'-'1'ENA-'0'-'0'-PWD1-...-PWD16-ETX Check code BCC Delimiter CR Header SOH (01h): Start - NEC E905-AVT | External Control Codes - Page 101
SOH (01h): Start of Header '0' (30h): Reserved '0' (30h): Message receiver is the controller. Monitor ID: Indicate a replying Monitor ID. Ex.) When this byte is set to 'A', replying monitor's ID is '1'. 'B' (42h): Message type is "Command reply". '0'-'A'(30h,41h): Message length (10byte) Message STX - NEC E905-AVT | External Control Codes - Page 102
.1 LAN MAC Address Read This command is used in order to read the MAC Address. 1) The controller requests the monitor to read MAC Address Header SOH-'0'-Monitor ID- '0'-'A'-'0'-'8' Message STX-'C'-'2'-'2'-'A'-'0'-'2'-ETX Check code Delimiter BCC CR Header SOH (01h) : Start of Header '0' (30h - NEC E905-AVT | External Control Codes - Page 103
In the case of IPv6 -> n = 7 ETX (03h): End of Message Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (103/104) - NEC E905-AVT | External Control Codes - Page 104
. All Right Reserved This document provides the technical information for users. NEC Display Solutions, Ltd. reserves the right to change or modify the information contained herein without notice. NEC Display Solutions, Ltd. makes no warranty for the use of its products and bears no responsibility
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External Control
NEC LCD Monitor
Rev.1.1 (G2E)
INDEX
I. Application
................................................................................
3
II. Preparation
...............................................................................
4
2. Connectors and wiring
....................................................................
4
2.1 RS-232C Remote control
...............................................................
4
2.2 LAN control
...........................................................................
4
III. Communication specification
...............................................................
5
3. Communication Parameter
................................................................
5
3.1 RS-232C Remote control
...............................................................
5
3.2 LAN control
...........................................................................
5
3.3 Communication timing
.................................................................
5
4. Communication Format
...................................................................
6
4.1 Header block format (fixed length)
......................................................
7
4.2 Message block format
.................................................................
9
4.3 Check code
..........................................................................
11
4.4 Delimiter
............................................................................
12
5. Message type
...........................................................................
13
5.1 Get current Parameter from a monitor.
.................................................
13
5.2 "Get parameter" reply
.................................................................
14
5.3 Set parameter
........................................................................
16
5.4 "Set parameter" reply
.................................................................
17
5.5 Commands
...........................................................................
18
5.5.1
Save Current Settings
.
............................................................
18
5.5.2 Get Timing Report and Timing reply.
................................................
19
5.5.3 NULL Message
....................................................................
20
IV. Control Commands
.......................................................................
21
6. Typical procedure example
...............................................................
21
6.1. How to change the “Backlight” setting.
................................................
21
6.2. How to read the measurement value of the built-in temperature sensors.
..................
24
6.3. Operation Code (OP code) Table
.......................................................
27
7. Power control procedure
.................................................................
39
7.1 Power status read
....................................................................
39
7.2 Power control
........................................................................
41
8. Asset Data read and write
................................................................
43
8.1 Asset Data Read Request and reply
....................................................
43