3
5.5 Mechanical Connections
The 40
TM
C and 80
®
C II systems controllers are
3
⁄
4
”
high (U). They fit a standard 9” rack. Use screws
or bolts that fit the rack you are using. Note the
maximum depth of the rack as shown in
Figure 6.
Figure 16
Make sure the rack will hold the controller.
5.6 Basic operation
These controls are on the rear panel of the 40C or
80C II systems controllers.
InPuT leVel
These switches for each input channel adjust the
sensitivity between -0 dB and +4 dB (Figure ).
To find the nominal output level of the output device
(mixer, signal processor), consult its owner’s guide
or call the manufacturer. Set the controller INPUT
LEVEL switch to the closest number possible.
Do not to overload the inputs of the controller. Set
the INPUT LEVEL switch, and adjust the output
device’s control(s). Keep the signal below the
controller’s maximum input level (+4 dBm or .3V
RMS).
Figure 17
The INPUT LEVEL sensitivity switches.
.4”
44. cm
8”
0.3 cm
.5”
3.8 cm
9”
48.3 cm
.”
4.3cm
