Dolby
®
Model CP650 Installation Manual B-Chain Alignment
4-20
u
.:
en
er
Bass Adjust:±x.x
dB
>Treble Adj
Treble AdjTreble Adj
Treble Adj: ±x.x dB
Corner Freq: x kHz
a
n
Channel Select
>
>>
>Center
Press OK to continue
Saving Changes.....
...
1, 2, 4 kHz
Press the center menu button to move cursor down
to Treble Adjust:
Slowly move the front-panel knob to adjust the
high-frequency response as close as possible to
the reference line displayed on the RTA.
If a satisfactory response is not obtained, try
changing the corner frequency. Pressing the center
menu button again moves the cursor to
Corner frequency. The frequency selections are
1, 2, 3, or 4 kHz, and are set by rotating the front-
panel knob.
L, R, and Ls, Rs
or
L, R, Ls, Bsl, Bsr, Rs
Adjust each of the remaining full-range channels
by using the center menu button to move the
cursor to Bulk EQ Ch.:, and front-panel knob to
select the desired channel.
Note: Bulk equalization facilities for the surround channels are
slightly different than for the screen channels. The corner
frequency is fixed at 2 kHz and is not changeable. There is also a
3 dB level shift to the standard response curve displayed on the
scope.
OK
Caution: Do not press the left menu change
button. All settings would be lost!
Press the right-hand OK button to save all bulk
EQ settings.
4.7.3 Setting Fine EQ (1/3 Octave)
menu
OK
Press the left menu button once to move to the
B-Chain EQ menu. The software enters this
menu with Center channel selected.
Press the OK button to begin final EQ on this
channel.
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