Radio Shack 21-1706 Owner'S Manual Download Page 4

Connect

ing t

he 
Micropho

ne

4

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6*'

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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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.#

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#0

"

':6'40#.

"

52'#-'4

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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100'%6+0)

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5

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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.

%

100'%6+0)

"

#

"

2#

"

5

2'#-'4

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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"

6*'

"

%1/2#55

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.

.

"

%#76+10

"

.

Never pull on the microphone 
cable.

±

"

016'

"

±

"

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.

Summary of Contents for 21-1706

Page 1: ...sired location 2 At each marked position drill a small starter hole 2146 06 If an icon appears at the end of a paragraph go to the side head box on that page with the corresponding icon for pertinent...

Page 2: ...ate mark the positions for the screw holes on the mounting surface 2 In each marked location drill a small starter hole 3 Mount the bracket to the mounting surface with the supplied 5 mm bolts spring...

Page 3: ...he ANTENNA jack on the back of the transceiver To take advantage of your radio s maximum range adjust the antenna s Standing Wave Ratio SWR using an SWR meter not supplied Follow the instructions supp...

Page 4: ...ceiver insert the speaker cable s plug into EXT SPKR on the back of the CB 100 6 0 2 52 4 The PA speaker should have an impedance of 8 ohms and be able to handle 10 watts of power The speaker cable mu...

Page 5: ...cast Even though some earphones headphones let you hear some outside sounds when listening at normal volume levels they still can present a traffic hazard 75 0 8 66 4 219 4 1 Connect the red wire with...

Page 6: ...l help you get more enjoyment from your CB 4 8 0 64 05 55 105 0 756 0 537 1 Set PA MON CB to CB 2 Turn SQUELCH fully counterclockwise 3 Turn RF GAIN fully clockwise R 9 40 0 R Use extreme caution when...

Page 7: ...0 00 To select the emergency channel 9 press the channel selector once Press again to select channel 19 or flashes Press one more time to return to the previous selected channel You can also select Ch...

Page 8: ...rate heading information Calibrate the compass anytime you move it or whenever distortion continuously appears Before calibration peel off the backing on one side of the supplied tape and attach the t...

Page 9: ...6 6 You can adjust the backlight by rotating DIMMER To turn off the backlight rotate DIMMER fully counterclockwise 64 05 55 10 1746 5 Follow these guidelines for radio courtesy when using your CB Wai...

Page 10: ...0 12 Stand by 10 13 Report road weather conditions 10 14 Information 10 15 Message delivered 10 16 Reply to message 10 17 En route 10 18 Urgent 10 19 Contact _________ 10 20 What is your location 10 2...

Page 11: ...ou cannot take the CB to your local RadioShack store for assistance 2TQDNGO 5WIIGUVKQP CB has trouble receiving Turn transceiver power on Microphone connected Secure connections Antenna connected Secu...

Page 12: ...accept any interference received including interference that may cause undesired operation CB does not work at all Power connected Secure connections Microphone connected Secure connections Fuse need...

Page 13: ...icle s ignition or electrical system Here are a few hints to help you reduce or eliminate such noise Make all CB power and antenna wires as short as possible Route the power wires away from the antenn...

Page 14: ...e a malfunction and might invalidate its warranty 4 2 0 6 75 The CB s 2 amp in line fuse helps protect your CB from power surges and short circuits When replacement is required use a 2 amp slow blow g...

Page 15: ...S WARRANTY INCLUDING BUT NOT LIMITED TO ANY DAMAGES RESULT ING FROM INCONVENIENCE LOSS OF TIME DATA PROPERTY REVENUE OR PROFIT OR ANY INDIRECT SPECIAL INCI DENTAL OR CONSEQUENTIAL DAMAGES EVEN IF Radi...

Page 16: ...ional antenna of your choice RadioShack carries just the cable you need For the best possible reception at home or on the go you can connect an optional external antenna RadioShack carries a completel...

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