Dolby Laboratories CP65 - Manual (Page 61)

Action Indication Step
No.
5-44
B-Chain Alignment Procedures
g. Adjustment of Bypass Gain
NORMAL BYPASS
1
2
3
4
0
1
2
3
4 5 6
7
8
9
10
select
local/remote
mute
local active
xx dBC
04 Dolby Stereo
A-type
Dolby
Rt
Lt
Lt
Rt
gnd
Proj. 2
hf
GAIN
hf
GAIN
Rt tp
Rt
Lt
Lt tp
Proj. 1
hf
GAIN
hf
GAIN
signal present
Cat. No.
240A
B-Chain Alignment Procedures
Notes
5-45
g. Adjustment of Bypass Gain
Check that the local FADER is selected — the local active LED on the CP65 is lit. If
necessary, select the local FADER by pressing the select local/remote switch.
Set the FADER to the 7 setting.
Thread and play the Cat. No. 69 Pink Noise film loop on the projector.
This section of the alignment procedure covers the adjustment of the gain that is in effect
when the CP65 is switched from NORMAL to BYPASS.
Verify that the NORMAL/BYPASS switch is in the NORMAL position.
Press the format 04 Dolby Stereo A-type switch. Measure and note the SPL (sound
pressure level) in the theatre.