Specifications

8-7
8.4.2 Bypass Level Adjustment
(No Cat. No. 683 Electronic Crossover Card Installed)
FMAS
Menu ancel
it
utput A ust
key
Allignment
key
Format
Selection
Menu
key
Menu
Selection
press:
System
Alignment
screen shows:
screen shows:
press:
press:
screen shows:
Press the MENU key,
Alignment (SK2),
Output Adjust (SK2), and
select the Center channel.
If necessary, calibrate the SPL level of
the CP500 analyzer.
Select Half Screen.
SK5
Press Bypass (SK5). This connects the
Left, Center, and Right outputs of the
CP500 to the Bypass subsystem output.
CAT. NO. 682
CENTER
BYPASS
OFF
80
70
60
50
40
30
“85 dBC”
Adjust the Bypass Level trimpot on the
Cat. No. 682 card for 85 dBC in the
theater.
(If the desired level cannot be achieved,
turn the CP500 off and remove the Cat.
No. 682 card. Move the Bypass Gain
HI/LO jumper J902 to the alternative HI
or LO gain position, as desired.
Replace the Cat. No 682 in the CP500,
turn the power on, and repeat the first
two steps.)
Position J900 to
disable BCAL
Turn off the power to the CP500.
Remove the Cat. No. 682 card and
switch jumper J900 to the non-BCAL
position.
Re-install the card.
Cat. No. 682 card