CM2020 Amplifier - Installation Manual
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Copyright 2011 Cellphone-Mate, Inc. All rights reserved.
5. Verify that the green Power light is illumi-
nated.
6. If any red Warning light(s) illuminate, immedi-
ately power off the amplifier by either unplug-
ging the DC power supply from the surge
suppressor or by turning off the switch on the
surge suppressor. Increase the attenuation
(reduce gain) to the affected channel(s) and
try again. If you are at maximum attenuation
and still receiving a warning, then you must
verify that all antennas have been placed
according to these instructions and relocate
antennas as needed to eliminate the oscilla-
tion. See Section 5.6 for more information.
CAUTION: DO NOT PROCEED BEYOND
THIS POINT UNTIL THE AMPLIFIER IS
POWERED ON AND NO RED WARNING
LIGHTS ARE ILLUMINATED.
7. Once the amplifier is powered on and no red
Warning lights are illuminated, you may pro-
ceed to adjust the amplifier.
5.4 - Testing
Once the amplifier is powered on and no Warning
lights are illuminated, walk around the entire area
to test the voice and/or data signal. Refine the
antenna locations and/or gain levels as needed,
and then complete the permanent installation
once the system is working as desired.
5.5 - Adjusting the Amplifier
Keep the following points in mind when adjusting
the amplifier:
• Full power is not always your best option. Your
goal is to obtain a usable cellular signal in as
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