4 Command control
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PJ04030102B
(Example 3) Gamma adjustment
Purpose: To transmit gamma data of red to the projector.
(1) Transmit the data from the external controller to the projector as follows.
1: External controller →
0x21
0x89
0x01
0x50
0x4D
0x44
0x52
0x0A
'!'(Operation)
PJ
Individual : 1
‘P’
‘M’
‘D’
'R'
End
(2) If the projector receives the data (1) above and the command receipt is normal, an ACK is returned from the projector as follows.
2: ←Projector
0x06
0x89
0x01
0x50
0x4D
0x0A
ACK
PJ
Individual : 1
‘P’
‘M’
End
(3) The external controller sends 512 bytes binary data to the projector.
3: External controller →
512 byte
Data parameter
(4) If the projector receives data (3) above and receipt was normal, an ACK is returned from the projector as follows.
4: ←Projector
0x06
0x89
0x01
0x50
0x4D
0x0A
ACK
PJ
Individual : 1
‘P’
‘M’
End
4.13.2
Reference
Use the command as shown in the following examples.
(Example1) Confirm Picture Mode
Purpose: To Confirm Current Picture Mode (Picture Mode: Natural)
(1) Transmit the data from the external controller to the projector as follows.
1: External Controller
→
0x3F
0x89
0x01
0x50
0x4D
0x50
0x4D
0x0A
'?'(Reference)
PJ
Individual : 1
‘P’
‘M’
‘P’
‘M’
End
(2) If the projector receives the data (1) above and the command receipt is normal, an ACK is returned from the projector as follows.
2:
←
Projector
0x06
0x89
0x01
0x50
0x4D
0x0A
ACK
PJ
Individual : 1
‘P’
‘M’
End
(3) Then, the projector transmits Picture Mode to the External Controller.
3:
←
Projector
0x40
0x89
0x01
0x50
0x4D
0x30
0x33
0x0A
'@'(Reference)
PJ
Individual: 1
‘P’
‘M’
Natural
End
By the above exchange, it can be confirmed that the projector’s Picture Mode is ‘Natural’.