4 Command control
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PJ04030102B
4.2.2
Reference
Use the command as shown in the following examples.
Purpose: To confirm the present projector’s power state. (Current state: Power-ON)
(1) Data is transmitted from the external controller to the projector as follows.
1: External controller
→
0x3F
0x89
0x01
0x50
0x57
0x0A
'?' (Reference)
PJ
Individual : 1
'P'
'W'
End
(2) If the projector receives data (1) above and the command reception was normal, the projector returns an ACK as follows.
2:
←
Projector
0x06
0x89
0x01
0x50
0x57
0x0A
ACK
PJ
Individual : 1
'P'
'W'
End
(3) Next, the projector transmits a report of the power setting to the external controller.
3: ← Projector
0x40
0x89
0x01
0x50
0x57
0x31
0x0A
'@'(Response)
PJ
Individual : 1
'P'
'W'
ON
End
By the above exchange, it can be confirmed that the projector’s power state is ON.
Operation on projector screen
None
Parameters
Data length: 1
【
Data 0
】
Table 4-4 POWER CMD STATUS
HEX
ASCII
Operation
0x30
'0'
Standby
0x31
'1'
Lamp On
0x32
'2'
Cooling
0x33
'3'
Reserved
0x34
'4'
Error