Table 2: Direct Address Volume Codes
HEX
Function
97 A0 A0
Set master volume to 0 (MIN)
97 A1 A1
Set master volume to 1
97 A2 A2
Set master volume to 2
97 A3 A3
Set master volume to 3
97 A4 A4
Set master volume to 4
97 A5 A5
Set master volume to 5
97 A6 A6
Set master volume to 6
97 A7 A7
Set master volume to 7
97 A8 A8
Set master volume to 8
97 A9 A9
Set master volume to 9
97 AA AA
Set master volume to 10
97 AB AB
Set master volume to 11
97 AC AC
Set master volume to 12
97 AD AD
Set master volume to 13
97 AE AE
Set master volume to 14
97 AF AF
Set master volume to 15
97 B0 B0
Set master volume to 16
97 B1 B1
Set master volume to 17
97 B2 B2
Set master volume to 18
97 B3 B3
Set master volume to 19
97 B4 B4
Set master volume to 20 (MAX)
Table 3: Return Codes
Response from Unit = Name<SPACES><VALUE>0A
•
•
All responses are either 24 characters long except Volume and MIC Volume when the
value is higher than 9 in which case the total character length = 25
•
<SPACES> = Variable number of spaces based on # of characters in Name – 22
•
All responses end in \x0A or LineFeed
Commands must be in HEX. All responses can be ASCII.
•
Sample commands and responses
•
o Power On – Command - \x97\x45\x45
o Power Query – Command - \x97\x20\x20
o Power Query – Response – STANDBY
o Power Query – Response – STANDBY
HEX
Function
97 D0 D0
Set mic volume to 0 (MIN)
97 D1 D1
Set mic volume to 1
97 D2 D2
Set mic volume to 2
97 D3 D3
Set mic volume to 3
97 D4 D4
Set mic volume to 4
97 D5 D5
Set mic volume to 5
97 D6 D6
Set mic volume to 6
97 D7 D7
Set mic volume to 7
97 D8 D8
Set mic volume to 8
97 D9 D9
Set mic volume to 9
97 DA DA
Set mic volume to 10
97 DB DB
Set mic volume to 11
97 DC DC
Set mic volume to 12
97 DD DD
Set mic volume to 13
97 DE DE
Set mic volume to 14
97 DF DF
Set mic volume to 15
97 E0 E0
Set mic volume to 16
97 E1 E1
Set mic volume to 17
97 E2 E2
Set mic volume to 18
97 E3 E3
Set mic volume to 19
97 E4 E4
Set mic volume to 20 (MAX)
1\x0A = On/No Faults
0\x0A = Off/Standby
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AV-1800_manual_en.doc