NEC E437Q External Controls
NEC E437Q Manual
 |
View all NEC E437Q manuals
Add to My Manuals
Save this manual to your list of manuals |
NEC E437Q manual content summary:
- NEC E437Q | External Controls - Page 1
External Control NEC LCD Monitor For Exx7 Series Rev.1.0 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 - NEC E437Q | External Controls - Page 2
11.1 Serial No. Read ...32 11.2 Model Name Read ...34 12. Firmware Version ...36 12.1 Firmware Version Read...36 13. LAN MAC Address ...38 13.1 LAN MAC Address Read ...38 14. Direct TV Channel Read & Write ...40 14.1 Direct TV Channel Read & Reply 40 14.2 Direct TV Channel Write & Reply 41 15. - NEC E437Q | External Controls - Page 3
I. Application This document defines the communications method for control of the NEC LCD monitor, Exx7 series when using an external controller. (3/47) - NEC E437Q | External Controls - Page 4
2.1 RS-232C Remote control Connector: 9-pin D-Sub Cable: Cross (reversed) cable or null modem cable (Please refer "Controlling the LCD TV 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 E437Q | External Controls - Page 5
III. Communication specification 3. Communication Parameter 3.1 RS-232C Remote control (1) Communication system * 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. - NEC E437Q | External Controls - Page 6
. Note: Don't add extra data (Example: padding data) after Delimiter. Recommended sequence of a typical procedure to control a monitor is as follows, [A controller and a monitor, two-way communication composition figure] ■ For the general command (see the part "6.3. Operation Code (OP code) Table - NEC E437Q | External Controls - Page 7
of Header ASCII SOH (01h) Source 4th Message Type 5th Message Length 6th -7th 2ndbyte) Reserved: Reserved for future extensions. On this monitor, it must be ASCII '0'(30h). 3rdbyte) Destination: Destination equipment ID. (Receiver) Specify a commands receiver's address. The controller sets the - NEC E437Q | External Controls - Page 8
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): Command. ASCII - NEC E437Q | External Controls - Page 9
MSB LSB MSB LSB 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 Refer - NEC E437Q | External Controls - Page 10
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 more details. (10/47) - NEC E437Q | External Controls - 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 Reserved Destination Source Type Length(H) Length(L) STX Data | | ETX Check code 27 26 25 24 23 22 21 20 D0 D1 D2 D3 D4 D5 D6 D7 - NEC E437Q | External Controls - Page 12
4.4 Delimiter Header Message Check code Packet delimiter code; ASCII CR(0Dh). Delimiter (12/47) - NEC E437Q | External Controls - 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 E437Q | External Controls - 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 E437Q | External Controls - Page 15
18thbyte) ETX: End of Message ASCII ETX (03h) (15/47) - NEC E437Q | External Controls - 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 E437Q | External Controls - Page 17
-13th Requested setting ETX Value MSB LSB 14th -17th 18th The Monitor echoes back the parameter and status of the requested operation code. 1stbyte) Echoes back the Operation code page for confirmation. Reply data from the monitor is encoded to ASCII characters. Ex.) OP code page 02h -> OP - NEC E437Q | External Controls - Page 18
" command packet as follows; ASCII: 01h-30h-41h-30h-41h-30h-34h-02h-30h-37h-03h-CHK-0Dh SOH-'0'-'A'-'0'-'A'-'0'-'4'-STX-'0'-'7'-ETX-CHK- CR The monitor replies status as the following format; STX Command SS H Freq. V Freq. ETX '4' 'E' Hi Lo MSB LSB MSB LSB SS: Timing status byte Bit - NEC E437Q | External Controls - Page 19
if the "Start Proof of Play" command is sent and the monitor has already started Proof of Play. 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. Complete "NULL Message" command packet as follows; 01h-30h - NEC E437Q | External Controls - Page 20
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 BCC Delimiter CR Header - NEC E437Q | External Controls - Page 21
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 E437Q | External Controls - Page 22
Delimiter CR (0Dh): End of packet Repeat Step 1 and Step 2, if you need to check the Backlight setting. (Recommended) (22/47) - NEC E437Q | External Controls - Page 23
When setting to Native, should use this OP code In case TV tuner model, only English, French and Spanish can be selected. This operation requires supported TV tuner model. - NEC E437Q | External Controls - Page 24
Item MUTE TREBLE HUE BASS BRIGHTNESS BALANCE Key Lock MENU DISPLAY TIME PICTURE MODE NOISE REDUCTION MTS MONITOR ID IR Control Input Detect Size OP code OP code page 00h 8Dh 00h 8Fh 00h 90h 00h 91h 00h 92h 00h 93h 00h FBH - NEC E437Q | External Controls - Page 25
Item Adaptive Contrast Gamma Custom Detect Priority 1 Custom Detect Priority 2 Custom Detect Priority 3 Closed Caption Digital Closed Caption Sound mode Audio Language Light Sensor BACKLIGHT DIMMING USB POWER Speaker Select OP code OP code page 02h 8DH 02h E8h 10h 2Eh 10h 2Fh 10h 30h - NEC E437Q | External Controls - Page 26
STX-'0'-'1'-'D'-'6'-ETX Check code BCC Delimiter CR Header SOH (01h): Start of Header '0' (30h): Reserved Monitor ID: Specify the Monitor ID from which you want to get status. Ex.) If Monitor ID is '1', specify 'A'. '0' (30h): Message sender is the controller. 'A' (41h): Message Type is "Command - NEC E437Q | External Controls - Page 27
Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (27/47) - NEC E437Q | External Controls - Page 28
(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 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 E437Q | External Controls - Page 29
Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (29/47) - NEC E437Q | External Controls - Page 30
-30h-41h-30h-41h-30h-34h-02h-30h-37h-03h-CHK-0Dh SOH-'0'-'A'-'0'-'A'-'0'-'4'-STX-'0'-'7'-ETX-CHK-CR 2) The monitor replies Timing report to the controller. Header Message SOH-'0'-'0'-Monitor ID'B'-'0'-'E' STX-'4'-'E'-SS-H Freq-V Freq-ETX Check code BCC Delimiter CR Header SOH (01h): Start of - NEC E437Q | External Controls - Page 31
H Freq: Horizontal Frequency in unit 0.01kHz V Freq: Vertical Frequency in unit 0.01Hz Ex.) When H Freq is '1''2''A''9' (31h, 32h, 41h, 39h), it means 47.77kHz. Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (31/47) - NEC E437Q | External Controls - Page 32
'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' (43h - NEC E437Q | External Controls - Page 33
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 (33/47) - NEC E437Q | External Controls - Page 34
'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 E437Q | External Controls - Page 35
Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (35/47) - NEC E437Q | External Controls - Page 36
's ID is '1'. '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. Message STX (02h): Start of Message 'C'-'B'-'0'-'2' (43h, 42h, 30h, 32h): Firmware Version Read reply ST: Error Status No Error - NEC E437Q | External Controls - Page 37
Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (37/47) - NEC E437Q | External Controls - Page 38
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', the replying Monitor ID is '1'. 'B' (42h): Message Type is "Command reply". LN(H)-LN(L): Message length (byte length - NEC E437Q | External Controls - Page 39
Check code BCC: Block Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet (39/47) - NEC E437Q | External Controls - Page 40
ID- STX-'C'-'2'-'2'-'C'-ETX BCC '0'-'A'-'0'-'6' Delimiter CR 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 E437Q | External Controls - Page 41
-'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 E437Q | External Controls - Page 42
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 E437Q | External Controls - Page 43
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 (43/47) - NEC E437Q | External Controls - Page 44
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 E437Q | External Controls - Page 45
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 (45/47) - NEC E437Q | External Controls - Page 46
Check Code Refer to the section 4.3 "Check code" for a BCC calculation. Delimiter CR (0Dh): End of packet 2) The monitor replies result. Header SOH-'0'-'0'-Monitor ID'B'-'0'-'A' Message STX-'C'-'B'-'0'-'0'-'0'-'2'-ST-ETX Check code Delimiter BCC CR Header SOH (01h): Start of Header '0' (30h - NEC E437Q | External Controls - Page 47
All data are subject to change without notice. (October 15, 2018) Copyright 2004-2018 NEC Display Solutions, Ltd. 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
-
1 -
2 -
3 -
4 -
5 -
6 -
7 -
8
-
9
-
10
-
11
-
12
-
13
-
14
-
15
-
16
-
17
-
18
-
19
-
20
-
21
-
22
-
23
-
24
-
25
-
26
-
27
-
28
-
29
-
30
-
31
-
32
-
33
-
34
-
35
-
36
-
37
-
38
-
39
-
40
-
41
-
42
-
43
-
44
-
45
-
46
-
47
 |
 |
(1/47)
External Control
NEC LCD Monitor
For Exx7 Series
Rev.1.0
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
5.5.2 Get Timing Report and Timing reply.
...........................................................................................
18
5.5.3 NULL Message
...............................................................................................................................
19
IV. Control Commands
...........................................................................................................................
20
6. Typical procedure example
...............................................................................................................
20
6.1. How to change the
“
Backlight
”
setting.
........................................................................................
20
6.2. Operation Code (OP code) Table
....................................................................................................
23
7. Power control procedure
...................................................................................................................
26
7.1 Power status read
............................................................................................................................
26
7.2 Power control
...................................................................................................................................
28
10. Get Timing Report
............................................................................................................................
30
10.1 Get Timing Report and Timing reply.
............................................................................................
30
11. Serial No. & Model Name Read
.......................................................................................................
32