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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.
STX A D I1 I2 ; C1 C2 C3 : P1 P2 Pn ETX
When sending commands without parameters, a colon (:) is not necessary.*
Basic format (with sub command)
S1 S2 S3 S4 S5 E P1 P2 P3 P4 P5 P6
STX A D I1 I2 ; C1 C2 C3 : ETX
Same as basic format
Sub command (5 bytes)
Operation (1 byte)
“=” (Value specied using parameter is set)
Parameter (6 bytes)*
Symbol “+” or “
-
” (1 byte) and set value or ad-
justment value (5 bytes)
When transmitting a command which does not need a parameter, the operation (E) and parameter are not necessary.*
Attention
If a command is transmitted after the lamp starts illuminating, there may be a delay in response or the command may not be f
executed. Try sending or receiving any command after 60 seconds.
When transmitting multiple commands, be sure to wait until 0.5 seconds has elapsed after receiving the response from the f
projector before sending the next command. When transmitting a command which does not need a parameter, a colon (:) is
not necessary.
Note
If a command cannot be executed, the “ER401” response is sent from the projector to the computer. f
If an invalid parameter is sent, the “ER402” response is sent from the projector to the computer. f
ID transmission in RS-232C supports ZZ (ALL) and 01 to 64, as well as 0A to 0Z groups. f
If a command is sent with a specied ID, a response will be sent to the computer only in the following cases. f
- It matches the projector ID.
- [PROJECTOR ID] (Æ page 74) is set to [ALL].
STX and ETX are character codes. STX shown in hexadecimal is 02, and ETX shown in hexadecimal is 03. f
ID designate
ZZ, 01 to 06
Start (1 byte)
(2 byte)
2 ID characters (2 bytes)
Semi-colon(1 byte)
3 command characters (3 bytes)
Colon(1 byte)*
Parameter (underned length)
End (1 byte)
ENGLISH
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127
Chapter 6 Appendix - Technical Information