Dolby Laboratories CP65 manual Setting Mono Gain, 79 dBC

5-20

B-Chain Alignment Procedures

c. Setting Mono Gain

Step			Action								Indication
No.
1
2			01	Mono
	Cat. No.
	242
mono eq
mono
gain
non-syncL				Dolby
	R
	L
signal	C
present R
	Ls
gnd
	L										MIDPOINT
test	C
points	R
	Ls
	L
gain	C
	R
	Ls
		Cat. No.
		242				79 dBC
	mono eq
	mono
	gain
	non-syncL
		R		Dolby
		L
	signal	C		FF							03
				O	0					0
	present R				8	7	0	0	50	4
								6
		Ls
	gnd
		L
	test	C
	points	R
		Ls
		L
	gain	C
		R
		Ls

5-21

B-Chain Alignment Procedures

c. Setting Mono Gain

Notes

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.