Chapter 7 Appendix — Technical information
174 - ENGLISH
Attention
f
If a command is sent after the light source starts lighting, there may be a delay in response or the command may not be executed. Try
sending or receiving any command after 60 seconds.
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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. When transmitting a command which does not need a parameter, a colon (:) is not necessary.
Note
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If a command cannot be executed, the “ER401” response is sent from the projector to the computer.
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If an invalid parameter is sent, the “ER402” response is sent from the projector to the computer.
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ID transmission in RS-232C supports ZZ (ALL) and 01 to 64.
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If a command is sent with an ID designated, a response will be sent to the computer only in the following cases.
g
It matches the projector ID
g
ID is designated as ALL and [RESPONSE(ID ALL)] is set to [ON]
f
STX and ETX are character codes. STX shown in hexadecimal is 02, and ETX shown in hexadecimal is 03.
Cable specication
1 NC NC 1
2 2
3 3
4 NC NC 4
5 5
6 NC NC 6
7 7
8 8
9 NC NC 9
When connected to a computer
Projector
(<SERIAL IN> terminal)
Computer
(DTE specifications)
Control command
The following table lists the commands that can be used to control the projector using a computer.
r
Projector control command
Command Details
Parameter/response
string
Remark (parameter)
PON Power on
― To check if the power is on, use the “Power query” command.
POF Power standby
QPW Power query
000
001
STANDBY
Power on
IIS
Switching the input
signal
VID VIDEO
RG1 COMPUTER1
RG2 COMPUTER2
HD1 HDMI1
HD2 HDMI2
DL1 DIGITAL LINK
OSH Shutter control 0 OPEN
QSH Shutter status query 1 CLOSE
VSE Aspect ratio switch
0 DEFAULT/VID AUTO/AUTO
1 4:3
2 16:9
5 THROUGH
QSE
Aspect ratio settings
query
6 HV FIT
9 H FIT
10 V FIT
OCS Sub memory switch
01 - 96 Sub memory number
QSB
Sub memory status
query