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9 Appendix B - AMX/Creston
General command structure:
F0
<command byte
h
There are three types of commands: Set, Get and Report:
-
Set: these commands are used to change the status of the power supply (e.g. set the volume). The
supply answers with a Report.
-
Get: these commands are used to find out the status of the power supply. The supply answers with a
Report. The status of the supply is NOT changed.
-
Report: these commands are sent from the power supply anytime the status of the supply changes
(e.g. you turn up the volume at the power supply). It is also sent from the supply after a Set or Get
command.
Command byte
Set commands
01
h
02
h
03
h
04
h
05
h
06
h
07
h
08
h
09
h
0A
h
> <data byte
>
h
h
Data byte
01
to 1E
h
h
--
--
01
to 1E
h
h
--
--
00
h
01
h
--
00
h
01
h
--
English
F7
h
Description
Set the input level,
01
=mute
h
1E
=highest level
h
Increase input level by one step
Decrease input level by one step
Set the output level,
01
=mute
h
1E
=highest level
h
Increase output level by one step
Decrease output level by one step
Switch input off
Switch input on
Toggle input on/off switch
Switch output off
Switch output on
Toggle output on/off switch
22
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