Radio Shack 21-1706 User Manual
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The Federal Communications Commission (FCC) does not
require you to have a license to operate this CB radio.
However, you must know Part 95 of
require you to have a license to operate this CB radio.
However, you must know Part 95 of
FCC Rules. It explains
the proper operation of a Class D citizen’s band transceiver.
We enclosed a copy of Part 95 with your CB radio.
We enclosed a copy of Part 95 with your CB radio.
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To be safe and sure:
• Never open your CB radio’s case.
• Never change or replace anything in your CB radio.
Your CB radio might cause TV or radio interference even
when it is operating properly. To determine whether your CB
is causing the interference, turn off your CB. If the
interference goes away, your CB is causing it. Try to
eliminate the interference by:
when it is operating properly. To determine whether your CB
is causing the interference, turn off your CB. If the
interference goes away, your CB is causing it. Try to
eliminate the interference by:
• moving your CB away from the receiver
• contacting your local RadioShack store for help
This device complies with Part 15 of the following two
conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any
interference received, including interference that may cause
undesired operation.
conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any
interference received, including interference that may cause
undesired operation.
CB does not
work at all.
work at all.
Power connected? Secure connections.
Microphone connected? Secure connections.
Fuse needs replacing? Replace with identical
fuse. See “Replacing the Fuse” on Page 14.
fuse. See “Replacing the Fuse” on Page 14.
Cannot select a
channel.
channel.
Be sure PA/MON/CB is set to CB.
PUSH TO TALK pressed? Release PUSH TO
TALK.
TALK.
PA does not
work.
work.
Connect a PA speaker. Secure connections.
Be sure PA/MON/CB is set to PA.
Adjust VOLUME.
Sound is
distorted.
distorted.
Adjust RF GAIN.
Adjust VOLUME.
Compass
bearing shows
the same
reading even
when steering to
other direction.
bearing shows
the same
reading even
when steering to
other direction.
Be sure the compass cable is properly
connected.
connected.
There might be magnetic material/interference
near the compass sensor. Move the compass
sensor away from the magnetic material/
interference and recalibrate the compass.
near the compass sensor. Move the compass
sensor away from the magnetic material/
interference and recalibrate the compass.
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Do not open the CB radio to make
any internal adjustments. A CB
radio is set up to transmit a
regulated signal on an assigned
frequency. It is against the law to
alter or adjust the settings inside
the unit to exceed these
limitations.
any internal adjustments. A CB
radio is set up to transmit a
regulated signal on an assigned
frequency. It is against the law to
alter or adjust the settings inside
the unit to exceed these
limitations.