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Phone 425-775-8461 • www.audiocontrol.com
®
42
Set/ Request Volume status 0x0D
*Returns volume even if Zone is in Mute, use Mute Status request (0x0E) to find state of Mute
**Format for the this setting differs depending on the Zone you are controlling. Zone 1 is set in .5db increments while Zone 2&3 are set
in 1db increments . To set the Volume to 40 in all zones, data for Zone 1 would be 0x50 (decimal 80) while data for Zone 2 and 3 would
be 0x28 (decimal 40)
Command
Response
<ST> 0x21
<ST> 0x21
<ZN>
Zone Number
<ZN>
Zone number
<CC> 0x0D
<CC> 0x0D
<DL>
0x01
<AC>
Answer code
<DATA>
0xF0 - request current volume
<DL>
0x02
0x00 through 0xC6 - set the volume
<DATA1>
0x00 (0) - 0x63 (99)
<ETR>
0x0D
<DATA2>
0x00 (0)
0x05 (.5) Zone 1 only
<ETR> 0x0D
Mute status 0x0E
Command
Response
<ST> 0x21
<ST> 0x21
<ZN>
Zone Number
<ZN>
Zone number
<CC> 0x0E
<CC> 0x0E
<DL>
0x01
<AC>
Answer code
<DATA> 0xF0
<DL>
0x01
<ETR>
0x0D
<DATA1>
0x00 - Zone is muted
0x01 - Zone is not muted
<ETR> 0x0D
Direct mode status 0x0F
Command
Response
<ST> 0x21
<ST> 0x21
<ZN>
Zone Number
<ZN>
Zone number
<CC> 0x0F
<CC> 0x0F
<DL>
0x01
<AC>
Answer code
<DATA>
0xF0
<DL>
0x01
<ETR>
0x0D
<DATA>
0x00 - Direct mode is off
0x01 - Direct mode is on
<ETR> 0x0D
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