can be valid only when EQ is set to ON.

Note: Command cannot be received during power off.

A1H, 07H, <Channel Attribute>, <Channel Number>, <OFF/ON>, <Band Number>,

<Gain Value>, <Q Value>, <Freq Value>

<Channel Attribute>

00H: Input channel

01H: Output channel

<Channel Number>

00H - 07H (Input channel 1 - 8)

00H - 07H (Output channel 1 - 8)

<OFF/ON>

00H: EQ OFF

01H: EQ ON

<Filter Number>

00H - 09H: Filter 01 - 10

<Gain Value>

EQ-GAIN TABLE

Value
Gain (dB)
Value
Gain (dB)
HEX
DEC
HEX
DEC
00H
0
-12
0DH
13
+1
01H
1
-11
0EH
14
+2
02H
2
-10
0FH
15
+3
03H
3
-9
10H
16
+4
04H
4
-8
11H
17
+5
05H
5
-7
12H
18
+6
06H
6
-6
13H
19
+7
07H
7
-5
14H
20
+8
08H
8
-4
15H
21
+9
09H
9
-3
16H
22
+10
0AH
10
-2
17H
23
+11
0BH
11
-1
18H
24
+12
0CH
12
0

Note: If testing using Hyperterminal HEX value 0DH may incorrectly translate and will not

work. But when used in other applications using the HEX 0DH will work.

<Q Value>

EQ-Q TABLE

Value
Q
HEX
DEC
00H
0
0.3
01H
1
0.5
02H
2
0.7
03H
3
1
04H
4
1.5
05H
5
2
Page 15 of 24