Pjlink - BenQ LH770 User Manual

PJLink

PJLink protocol
The network function of this projector supports PJLink class 1. The PJLink protocol can be used to carry
out projector settings from the computer and lookup and operate the projector status.
Control command
The following list shows PJLink protocol commands for projector control.
Command Control details
Power supply
POWR
control
Power supply
POWR?
status query
INPT Input selection
Input status
INPT?
query
AVMT Mute
AVMT? Mute query
Error status
ERST?
query
Light source
LAMP?
status query
Input selection
INST?
list query
Projector name
NAME?
query
Manufacturer
INF1?
name query
Parameter/
Note
Return string
0 Standby
1 Power on
0 Standby
1 Power on
11 PC1/YPbPr
21 VIDEO
22 S-VIDEO
31 HDMI1
32 HDMI2/MHL
11 Video mute On
10 Video mute Off
21 Audio mute On
20 Audio mute Off
31 Video & Audio mute On
30 Video & Audio mute Off
1st byte
2nd byte
xxxxxx
3rd byte
4th byte
5th byte
6th byte
xxxxxxxxxxxx 1st number (1-5 digitals): Light source 1 runtime
11 21 22 31 32 SX751/SW752/SH753/SU754
Returns the name set in [PROJECTOR NAME] of
xxxxx
[NETWORK SETUP]
BenQ Returns manufacturer name
Indicates fan
errors, and
returns 0-2
Indicates light
source errors,
and returns 0-2
y 0=No error is
Indicates
detected
temperature
y 1=Warning
errors, and
returns 0-2
y 2=Error
Return 0
Return 0
Indicates other
errors, and
returns 0-2
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