Setting mono gain, C. setting mono gain -20 – Dolby Laboratories CP65 User Manual
Page 49
B-Chain Alignment Procedures
Action
Indication
Step
No.
5-20
Dolby
gain
mono
non-sync
gain
points
test
mono eq
Ls
R
C
L
Ls
R
C
L
gnd
Ls
R
C
L
R
L
signal
present
Cat. No.
242
c. Setting Mono Gain
1
MIDPOINT
2
01
Mono
Dolby
gain
mono
non-sync
gain
points
test
mono eq
Ls
R
C
L
Ls
R
C
L
gnd
Ls
R
C
L
R
L
signal
present
Cat. No.
242
O
FF
80
7
0
6
0
5
0
4
0
3
0
79 dBC
B-Chain Alignment Procedures
Notes
5-21
c. Setting Mono Gain
Turn on the center C channel of the Cat. No. 85C Pink Noise Generator.
Press the format 01 Mono switch.
Set the mono eq control on the Cat. No. 242 B-Chain Card (top control) to the midway
position.
Adjust the mono gain control (just under the mono eq control) for 79 dBC.
The mono eq control adjustment is covered later.