JVC DLA-RS45U Command Communication Specification for D-ILA Projectors (v1.7 f - Page 15

Purpose: To confirm the present projector's power state. Current state: Power-ON, Parameters

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4 Command control 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 '?' (Reference) PJ Individual : 1 'P' 'W' 0x0A 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 '@'(Response) PJ Individual : 1 'P' 'W' 0x31 ON 0x0A 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】 HEX 0x30 0x31 0x32 0x33 0x34 Table 4-4 POWER CMD STATUS ASCII '0' '1' '2' '3' '4' Standby Lamp On Cooling Reserved Error Operation 15 / 80 PJ03220107B

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4 Command control
15 / 80
PJ03220107B
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