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1. Overview 2. Setup & Use
3. Optional
Accessories
4. Troubleshooting
5. Warranty, Safety
& Specifications
1. Overview 2. Setup & Use
3. Optional
Accessories
4. Troubleshooting
5. Warranty, Safety
& Specifications
<CMD>
Symbol
Hex
Value
<Param> Value Definition
Audio Input Functions
AIDD p 0x93 (Controller sends only one
param per CMD.)
0x81 = one 1dB step
0x82 = two 1dB steps
0x83 = three 1dB steps
0x84 = four 1dB steps
0x85 = five 1dB steps
0x86 = six 1dB steps
0x87 = seven 1dB steps
0x88 = eight 1dB steps
0x89 = nine 1dB steps
0x8A = ten 1dB steps
Differentially decrease
volume for selected
audio input channel.
CAT 860 responds with
<ACK> only.
AIAV p 0x94 (Controller sends only one
param per CMD.)
0xCF = 0 dB
0xCE = -1dB
0xCD = -2dB
0xCC = -3dB
0x83 = -76dB
0x82 = -77dB
0x81 = -78B
0x80 = -79dB
(These are the values
returned in the <Param>
character of a query
response from the 860iR.)
Set absolute volume for
selected audio input
channel.
CAT 860 responds with
<ACK> only.
AIAV? 0x95 Controller sends no param
value.
Query absolute volume
for selected audio input
channel.
CAT 860 returns one
param in the response
packet
13. RS-232 SERIAL INTERFACE
PROGRAMMING CONT’D
14. RS-232 SERIAL INTERFACE
COMMAND DEFINITION CONT’D
<CMD>
Symbol
Hex
Value
<Param> Value Definition
MREV? 0xC0 Command Packet:
(Controller sends no param
value.)
Response Packet:
This command causes
the CAT 860 to return a
query response packet
containing up to sixteen
<param> characters. Each
<param> value represents
one ASCII character of a
string indicating the product
model and software version.
If the command is not
received properly, the CAT
860 responds by sending a
<NACK> character.
PING CAT 860 COMMAND
PING 0xC1 (Controller sends no param
value.)
This command causes the
CAT 860 to respond with
<ACK> only.
If the command is not
received properly, the CAT
860 responds by sending a
<NACK> character.
ADVANCED COMMAND SET FOR AUDIO MIXER OPERATIONS CONT’D
System Management Functions Group
1. QUERY MODEL AND SOFTWARE VERSION COMMAND