Radio Shack 21-1706 Marine Radio User Manual


 
Connecting the Microphone
4
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1. Align the tab on the side of the supplied microphone’s
plug with the notch in the microphone jack (on the side
of the transceiver). Then insert the plug into the jack.
2. Slide the microphone onto the microphone holder.
3. To disconnect the microphone from the transceiver,
press the tab on the side of the plug. Then pull out the
plug.
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You can connect your transceiver to an external CB
speaker, so you can hear an incoming call when you are
outside your vehicle, or use the CB as a PA system.
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The external speaker you use with the transceiver should
have an impedance of 8 ohms and be able to handle 10
watts of power. The speaker cable must have a
1
/
8
-inch
plug.
To connect the external speaker to the transceiver, insert
the speaker cable’s plug into
EXT
SPKR
on the back of the
CB.
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The PA speaker should have an impedance of 8 ohms and
be able to handle 10 watts of power. The speaker cable
must have a
1
/
8
-inch plug.
If your PA speaker meets the other specifications but does
not already have a
1
/
8
-inch plug, you can connect it using a
phono plug-to-wire cable, available at your local
RadioShack store.
To connect the PA speaker to the transceiver, insert the
speaker cable’s plug into
PA
SPKR
on the back of the CB.
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Insert the compass cable’s plug into
SENSOR
on the back of
the CB. Do not place the compass cable near the DC cord
or the antenna cable.
.
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.
Never pull on the microphone
cable.
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When you connect an external
speaker, the CB’s internal
speaker disconnects.
To avoid acoustic feedback, the
speaker should be at least 6
feet from the CB. If you
experience feedback, avoid
keying the microphone until you
have moved the speaker away
from the CB.