M62420SP/ FP/ AFP
( 3 ) -1: volume control
The volume control is enabled at following condition.
subA0 :
subA1 :
volume code
ATT
0dB
2dB
4dB
6dB
8dB
10dB
12dB
14dB
16dB
18dB
20dB
22dB
24dB
26dB
28dB
30dB
32dB
34dB
36dB
38dB
40dB
42dB
46dB
50dB
54dB
58dB
62dB
66dB
70dB
74dB
78dB
∞dB
0 , 1 , 1
(either bit is 1)
1 , 0 , 1
subA2 : 0
subA3 : 0
(both bits are 0)
D4
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
L
D3
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
H
H
H
H
H
H
H
H
L
L
L
L
L
L
L
L
D2
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
H
H
H
H
L
L
L
L
D1
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
H
H
L
L
D0
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
H
L
ATT
0dB
1dB
*
2dB
*
3dB
D6
H
H
L
L
D5
H
L
H
L
*
2dB,3dB setting is
enabled at less than
42dB step.
Rev.1.0, Sep.17.2003, page 8 of 16