4 Command control
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PJ04030102B
(Example2) MAC Address confirmation
Purpose: To confirm the current MAC Address.
(1) Transmit the data from the external controller to the projector as follows.
1: External controller
→
0x3F
0x89
0x01
0x4C
0x53
0x4D
0x41
0x0A
'?'(Reference)
PJ
Individual : 1
'L'
'S'
‘M’
‘A’
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
0x4C
0x53
0x0A
ACK
PJ
Individual : 1
'L'
'S'
End
(3) The projector transmits MAC Address to the external controller.
3:
←
Projector
0x40
0x89
0x01
0x4C
0x53
'@'(Response)
PJ
Individual : 1
'L'
'S'
0x30
0x30
0x38
0x30
0x38
0x38
0x31
0x32
0x33
0x34
0x35
0x56
0x0A
00
80
88
12
34
56
End
By the above exchange, it can be confirmed that the projector’s MAC Address is set to “00:80:88:12:34:56”.
(Example3) Port confirmation
Purpose: To confirm the current Port.
(1) Transmit the data from the external controller to the projector as follows.
1: External controller
→
0x3F
0x89
0x01
0x4C
0x53
0x50
0x54
0x0A
'?'(Reference)
PJ
Individual : 1
'L'
'S'
‘P’
‘T’
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
0x4C
0x53
0x0A
ACK
PJ
Individual : 1
'L'
'S'
End
(3) The projector transmits Port to the external controller.
3:
←
Projector
0x40
0x89
0x01
0x4C
0x53
0x35
0x30
0x34
0x41
0x0A
'@'(Response)
PJ
Individual : 1
'L'
'S'
20554(=504A)
End
By the above exchange, it can be confirmed that the projector’s port is set to 20554(=0x504A).