Panasonic PT-DZ21KU Operating Instructions - Page 161

ENGLISH - 161, Basic format, Basic format with subcommands

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Technical information ■■Basic format Transmission from the computer starts with STX, then the ID, command, parameter, and ETX are sent in this order. Add parameters according to the details of control. (2 bytes) Semicolon (1 byte) Start (1 byte) 2 ID characters (2 bytes) ZZ, 01 to 64 and 0A to 0Z ID designate Colon*1 3 command 㧔1 byte㧕 characters (3 bytes) Parameter (undefined length) *1: When transmitting a command which does not need a parameter, a colon (:) is not necessary. ■■Basic format (with subcommands) Same as the basic format End (1 byte) Sub command (5 bytes) Parameter (6 bytes)*1 Symbol "+" or "-" (1 byte) and setting or adjustment value (5 bytes) Operation (1 byte)*1 "=" (Set the value specified using parameter) *1: When transmitting a command which does not need a parameter, the operation (E ) and parameter are not necessary. Attention zzIf a command is transmitted after the lamp starts illuminating, there may be a delay in response or the command may not be executed. Try sending or receiving any command after 60 seconds. zzWhen transmitting multiple commands, be sure to wait until 0.5 seconds has elapsed after receiving the response from the projector before sending the next command. Note zzIf a command cannot be executed, a "ER401" response is sent from the projector to the computer. zzIf an invalid parameter is sent, a "ER402" response is sent from the projector to the computer. zzID transmission in RS-232C supports ZZ (ALL) and 01 to 64, as well as 0A to 0Z groups. zzIf a command is sent with a specified ID, a response will be sent to the computer only in the following cases. - It matches the projector ID - ID setting is set to ALL and [RESPONSE(ID ALL)] is [ON] - ID setting is set to GROUP and [RESPONSE(ID GROUP)] is [ON] zzSTX and ETX are character codes. STX shown in hexadecimal is 02, and ETX shown in hexadecimal is 03. Appendix ENGLISH - 161

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Technical information
ENGLISH - 161
Appendix
▶
■
Basic format
Transmission from the computer starts with STX, then the ID, command, parameter, and ETX are sent in this
order. Add parameters according to the details of control.
(2 bytes)
2 ID characters (2 bytes)
Semicolon (1 byte)
Colon
*1
1 byte
3 command
characters (3 bytes)
Parameter
(undefined length)
End
(1 byte)
Start
(1 byte)
ID designate
ZZ, 01 to 64 and 0A to 0Z
*1:
When transmitting a command which does not need a parameter, a colon (:) is not necessary.
▶
■
Basic format (with subcommands)
Parameter (6 bytes)
*1
Symbol “+” or “-” (1 byte) and setting
or adjustment value (5 bytes)
Operation (1 byte)
*1
“=” (Set the value specified using parameter)
Sub command
(5 bytes)
Same as the basic format
*1:
When transmitting a command which does not need a parameter, the operation (E ) and parameter are not necessary.
Attention
z
If a command is transmitted after the lamp starts illuminating, there may be a delay in response or the
command may not be executed. Try sending or receiving any command after 60 seconds.
z
When transmitting multiple commands, be sure to wait until 0.5 seconds has elapsed after receiving the
response from the projector before sending the next command.
Note
z
If a command cannot be executed, a “ER401” response is sent from the projector to the computer.
z
If an invalid parameter is sent, a “ER402” response is sent from the projector to the computer.
z
ID transmission in RS-232C supports ZZ (ALL) and 01 to 64, as well as 0A to 0Z groups.
z
If a command is sent with a specified ID, a response will be sent to the computer only in the following cases.
–▶
It matches the projector ID
–▶
ID setting is set to ALL and [RESPONSE(ID ALL)] is [ON]
–▶
ID setting is set to GROUP and [RESPONSE(ID GROUP)] is [ON]
z
STX and ETX are character codes. STX shown in hexadecimal is 02, and ETX shown in hexadecimal is 03.