Pjlink - BenQ LW855UST User Manual

PJLink

PJLink protocal
The network function of this projector support the PJLink class 1, and the PJLink protocal can be
used to perform projector setting and projector status query operations from a computer.
Control commands
The following table lists the PJLink protocal commands that can be used to control the projector.
• x characters in table are non-specific characters.
Control
Command
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
Parameter/
Return String
0 Standby
1 Power on
0 Standby
1 Power on
11 PC1 / YPbPr1
31 HDMI1
32 HDMI2
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
3rd byte
xxxxxx
4th byte Return 0
5th byte Return 0
6th byte
xxxxxxxxxxxx 1st number (1-5 digitals): Light source 1 runtime
11 31 32 LW855UST/LH856UST
Returns the name set in [PROJECTOR NAME] of
xxxxx
[NETWORK SETUP]
Remark
Indicates fan errors, and
returns 0 - 2
Indicates light source
errors, and returns 0 - 2
Indicates temperature
errors, and returns 0 - 2
Indicates other errors,
and returns 0 - 2
0 = No error is
detected
1 = Warning
2 = Error
Specifications
65