Specifications

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NOTE: Refer to the
Connectivity Chart on page 12
and 13 to determine the page
line output type of your
telephone system. In most
cases, the setting will be Loop
Start. You can also check with
your telecommunications
manager.
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NOTE: Do not use extension
cords or plug into locally,
“safety-fused” outlets.
6 FOOT
POWER CABLE
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NOTE: If no page is heard,
refer to the Troubleshooting
Guidelines on page 8.
Set the AmpliCenter Telephone Mode Selection Switch
to match the page output type of your telephone system.
Used for input from paging port of Telephone System (PBX) or from Microphone
Used to parallel many AmpliCenter inputs without loading the source output
Input direct from Telephone System (PBX) with Ground Start Trunk Port
Input direct from Telephone System (PBX) with Loop Start Trunk Port
Figure 7. Telephone Mode Switch Setting
Insert power cord into AmpliCenter and into wall outlet.
Figure 8. Power Cable
Test paging zone served by the AmpliCenter by dialing
paging telephone extension or use microphone.
Adjust sound levels using AmpliCenter controls, if
necessary.
Using a small standard screwdriver, make the following adjustments.
See Figure 9.
Adjust the Low Frequency Cut Off control. This control cuts out the
low frequency bass so that horns and small speakers are not
over-driven and distorted by excessive bass energy. Cut off
frequency is continuously adjustable from 50Hz (full CCW rotation)
to 400 Hz (full CW rotation).
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