ASTRO VG-871 - Command Formats; New Commands; Old Commands

Chapter 1 CONCERNING THE TERMINAL COMMANDS
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1.8 Command formats
Two types of formats are used for the commands sent to the VG generator: the new commands
and old commands. There are two types of old commands: ones which are compatible with the VG
generators available in the past, and the extended commands which are used by the VG-848
series.
1.8.1 New commands
(1) Without parameters
STX
VG4CMD
Command 1
Command 2
ETX
(2) With parameters
STX
VG4CMD
Command 1
Command 2
Parameters
ETX
VG4CMD: New command identification code (FDH)
1.8.2 Old commands
Compatible commands (Conventional commands)
STX
Command
ETX
or
STX
Command
Parameters
ETX
Extended commands (* Used by the VG-848 series)
STX
EXTCMD
Model code
Command
ETX
or
STX
EXTCMD
Model code
Command
Parameters
ETX
EXTCMD: Extended command identification code (FFH)
Model codes: VG generator model codes
(47H = VG-848, 48H = VG-835, 49H = VG-849/849A/849B, 4AH = VG-858,
4BH = VG-830, 4CH = VG-857, 4DH = VG-859/859A/859B, 4EH = VG-837,
4FH = VG-835-A, 50H = VG-849C, 51H = VG-859C, 52H = VG-835-B,
53H = VG-849C-A)