ASTRO VG-871 - AAUDIO4 [24 H 31 H]: Analog Audio Change

Chapter 2 INDIVIDUAL FORMATS FOR VG CONTROL COMMANDS
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2.153 AAUDIO4 [24H 31H]: Analog audio change
Function: This command changes the analog audio signal frequency and level. The
changes are immediately reflected in the signals output from the VG
generator.
Sequence: Type 2
Command:
STX
1 byte
02H
VG4CMD
1 byte
FDH
AAUDIO4
2 bytes
24 31H
Frequency-L
2 to 5 bytes
“100” to “20000” (100 Hz to 20000 Hz)
,
1 byte
2CH (Delimiter)
Frequency-R
2 to 5 bytes
“100” to “20000” (100 Hz to 20000 Hz)
,
1 byte
2CH (Delimiter)
Level-L
1 to 4 bytes
“0” to “4000” (0 mV to 4000 mV)
,
1 byte
2CH (Delimiter)
Level-R
1 to 4 bytes
“0” to “4000” (0 mV to 4000 mV)
ETX
1 byte
03H
Fig. 2-153-1