NEC PlasmaSync PX-42VM1G, Service Manual

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21. Audio Select Set
Function
The external control equipment sets combinations of audio and video inputs
for the plasma monitor.
Transmission Data
9FH 80H 60H 70H 02H DATA00 DATA01 CKS
DATA00: AUDIO INPUT
01H: AUDIO 1
02H: AUDIO 2
03H: AUDIO 3
DATA01: VISUAL INPUT
01H: Video 1
02H: Video 2
03H: Video 3
05H: HD (HD1 or DTV or DTV1)
06H: HD2 (DTV2)
07H: RGB 1/ PC 1
08H: RGB 2/ PC 2
0CH: RGB 3/ PC 3
ACK
The plasma monitor returns the following ACK when the input is switched.
3FH 60H 80H 70H 00H CKS
* The plasma monitor returns “Not Available” when selecting the video
input same as the one set at one of the AUDIO 01 to 3.
Example:
The plasma monitor returns “Not Available” when selecting the VIDEO1
for AUDIO2 or VIDEO3 after VIDEO1 has been set to AUDIO1.
22. Audio Select Request
Function
The external control equipment inquires the current combinations of audio
and video inputs for the plasma monitor.
Transmission Data
1FH 80H 60H 6FH 00H CKS
ACK
The plasma monitor returns the following ACK:
7FH 60H 80H 6FH 03H DATA00 DATA01 DATA02 CKS
DATA00: AUDIO 1
DATA01: AUDIO 2
DATA02: AUDIO 3
VISUAL INPUT DATA
01H: Video 1
02H: Video 2
03H: Video 3
05H: HD (HD1 or DTV or DTV 1)
06H: HD2 (DTV2)
07H: RGB 1 /PC 1
08H: RGB 2 /PC 2
0CH: RGB 3 /PC 3
23. PLE_INVERSE Set
Function
The external control equipment sets the PLE and INVERSE (inverse of image
brightness) of the plasma monitor.
Transmission Data
DFH 80H 60H 6AH 02H DATA00 DATA01 CKS
DATA00 : PLE
01H: AUTO
02H: LOCK
DATA01 : INVERSE
01H: ON
02H: OFF
ACK
The plasma monitor returns the following ACK when setting the PLE and
INVERSE (inverse of image brightness):
3FH 60H 80H 6AH 00H CKS
24. Failure Mode Request
Function
The external control equipment inquires the detection of failures of the
plasma monitor.
Transmission Data
1FH 80H 60H 3FH 00H CKS
ACK
The plasma monitor returns the following ACK:
7FH 60H 80H 3FH 02H DATA00 DATA01 CKS
DATA00:FILURE MODE 1
Bit 0 : PDP MODULE
0: Abnormal
1: Normal
Bit 1 : fixed (backup)
Bit 2 : TEMPERATURE
0: Abnormal
1: Normal
Bit 3 : FAN
0: Abnormal
1: Normal
Bit 4 : fixed (backup)
Bit 5 : fixed (backup)
Bit 6 : fixed (backup)
Bit 7 : fixed (backup)
DATA00:FILURE MODE 2
Bit 0–7 : fixed (backup)