Equalize Surround Speakers - Film-Tech SA10 Installation Manual

2.4

Equalize Surround Speakers

Rs Channel
Rs = 120 mVac
EXIT OK
Projector Stop
SK2
Ls Channel
Ls = 80-85 dBC
Use the fader knob to select the Rs channel.
Repeat the previous step to obtain 120 mV for this
channel.
Note: It is very important to get the Ls and Rs outputs to match
levels within 10mV.
Press Exit then press OK to save the settings.
Stop the projector.
On the SA10 front panel, press the Surround EX
Mode switch to the Enable (out) position.
On the inside of the SA10 front panel, press the
Test/Normal switch to the Test (out) position.
The red LED on the front panel should light,
indicating that the SA10 is in Surround EX mode.
Left Surround Channel
On the CP500 select Adjust Output Levels (SK2).
Use the CP500 fader knob to select the Ls channel.
Do not adjust the output level of the CP500
With a sound pressure level meter located in the
theatre, adjust the Left Surround output level control
on the SA10 to produce a reading of 80 to 85 dBC.
Alignment With CP500 / 2-7