Panasonic PT-VW540 Operating Instructions Manual page 124

Attention
f If a command is transmitted after the luminous 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.
f 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
f 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 06.
f 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
- When [PROJECTOR ID] (x page 78) on the projector is [ALL]
f STX and ETX are character codes. STX shown in hexadecimal is 02, and ETX shown in hexadecimal is 03.
Cable 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 Control details
PON Power on
POF Power off
IIS INPUT selection
OFZ Freeze
AUU Volume up
AUD Volume down
DZU D. ZOOM up
DZD D. ZOOM down
OSH AV mute function
QPW Power query
Luminous lamp condition
Q$S
query
124 - ENGLISH
Chapter 7 Appendix - Technical information
When connected to a computer
1
2
3
Projector
4
(<SERIAL IN> terminal)
5
6
7
8
9
Parameter / return string
―
VID
RG1
RG2
HD1
HD2
0
1
―
―
0
1
000
001
0
1
2
3
NC NC 1
2
3
Computer
NC NC 4
(DTE specifications)
5
NC NC 6
7
8
NC NC 9
To check if the power is on, use the "Power query"
command.
VIDEO
COMPUTER1
COMPUTER2
HDMI1
HDMI2
Freeze function disabled (off)
Freeze function enabled (on)
―
―
AV mute function disabled (off)
AV mute function enabled (on)
Standby
Power on
Stand-by
Luminous lamp ON control active
Luminous lamp ON
Luminous lamp OFF control active
Remarks