69
1. Overview
2. Setup & Use
3. Optional
Accessories
4. T
roubleshooting
5. W
arranty
, 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
Summary of Contents for CAT 860
Page 1: ...U s e r M a n u a l Classroom Audio System 860 CAT 860 ...
Page 2: ......
Page 7: ......
Page 84: ......
Page 87: ......