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9

OPERATION 

Before you start using your CB, you
should know how to use it effectively
and courteously. “CB Operation
Tips” on Page 10 has information
that will help you use and enjoy your
CB.

RECEIVING 
TRANSMISSIONS AND 
ADJUSTING SQUELCH

Caution: Do not attempt to use your
CB without first connecting an anten-
na to it.

1. Turn 

SQUELCH

 fully counter-

clockwise.

2. To turn on the CB, turn 

VOLUME

clockwise until you hear it click
and you hear a hissing sound.
The CB displays a channel num-
ber.

3. Turn 

SQUELCH

 clockwise until

the hissing sound stops.

Note:  If the CB picks up
unwanted, partial, or very weak
transmissions, turn 

SQUELCH

clockwise to decrease the CB’s
sensitivity to these signals. If
you want to listen to a weak or
distant station, turn 

SQUELCH

counterclockwise.

4. Adjust 

VOLUME

 to a comfortable

listening level.

5. Press 

DOWN

  to  select  lower

channel numbers or 

UP

 to select

higher channel numbers. The
channel number appears on the
display.

Important! 

Channel 9 is

reserved for motorist assistance
and for reporting emergency
information about accidents,
hazardous road conditions, and
so on. Always give emergency
messages priority on Channel 9.

6. To turn off the TRC-501, turn

VOLUME

 counterclockwise until

you hear it click.

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21-1701.fm  Page 9  Thursday, August 5, 1999  12:50 PM

Содержание 40-CHANNEL 2-WAY CB RADIO TRC-501

Страница 1: ...Cat No 21 1701 OWNER S MANUAL 40 Channel 2 Way CB Radio Please read before using this equipment TRC 501 21 1701 fm Page 1 Thursday August 5 1999 12 50 PM...

Страница 2: ...eference crystal Two Ceramic Filters provide su perior selectivity and prevent adja cent channel interference Hysteresis Squelch Circuit compensates for fading signals and eliminates signal chopping d...

Страница 3: ...can lead to illegal operation as defined by Part 95 of FCC Rules Such illegal operation can lead to very serious consequences To be safe and sure Never open your CB s case Never modify your CB Your CB...

Страница 4: ...eaker 7 Connecting Power 8 Using Vehicle Battery Power 8 Using the CB as a Base Station 8 Operation 9 Receiving Transmissions and Adjusting Squelch 9 Transmitting 10 CB Operation Tips 10 Common Uses f...

Страница 5: ...ever pull on the microphone cable MOUNTING THE TRC 501 The most common mounting location for this CB is under a vehicle s dash board However if you use the TRC 501 as a base station you can place it o...

Страница 6: ...the CB to the mounting bracket using the rubber wash ers and mounting knobs CONNECTING AN ANTENNA Caution To prevent damage to your CB you must connect an antenna to the CB before you operate it Selec...

Страница 7: ...enna cable to the CB and connect the cable to the AN TENNA jack on the back of the CB Cautions Do not run the cable over sharp edges or moving parts Do not run the cable next to power cables or other...

Страница 8: ...nection is for memory back up 3 Connect the CB s black wire to your vehicle battery s negative terminal or a metal part of the vehicle s frame that is not insulated from the frame by a plastic part Us...

Страница 9: ...Note If the CB picks up unwanted partial or very weak transmissions turn SQUELCH clockwise to decrease the CB s sensitivity to these signals If you want to listen to a weak or distant station turn SQ...

Страница 10: ...customs and courtesies The follow ing tips will help you get the most en joyment from your CB Common Uses for a CB Radio Business Uses Truck drivers and delivery per sonnel can learn road and traffic...

Страница 11: ...sist callers with directions information about road condi tions and any other reasonable requests Maximum Range The maximum range and quality of CB transmissions vary depending on these conditions The...

Страница 12: ..._ 10 6 I am busy or are you busy 10 7 Out of service 10 8 In service 10 9 Repeat last message 10 10 Negative No 10 11 ____________ in service 10 12 Stand by 10 13 Report ____________ conditions 10 14...

Страница 13: ...nnected to the CB The antenna cable is securely connected to both the antenna and the CB Trouble with transmission The CB is turned on The microphone is securely connected to the CB All connectors are...

Страница 14: ...t or all of the noise goes away the problem is in your ve hicle s ignition or electrical system Here are a few hints to help you re duce or eliminate such noise Replace old ignition wires with new hig...

Страница 15: ...cases and can cause the CB to work improperly Keep the CB away from dust and dirt which can cause premature wear of parts Wipe the CB with a damp cloth occasionally to keep it looking new Do not use...

Страница 16: ...005 Follow these steps to check and re place each fuse if necessary 1 Make sure the power source and CB are both turned off 2 To open the fuse holder push the fuse holder ends together then turn eithe...

Страница 17: ...to 27 405 MHz Output Power 4 Watts FCC Maximum Type of Modulation AM Double Sideband Full Carrier Modulation Modulation Capability 90 Spurious Emission 60 dB Frequency Tolerance 200 Hz Antenna Impedan...

Страница 18: ...18 NOTES 21 1701 fm Page 18 Thursday August 5 1999 12 50 PM...

Страница 19: ...19 21 1701 fm Page 19 Thursday August 5 1999 12 50 PM...

Страница 20: ...r ranty does not cover transportation costs Nor does it cover a product subjected to mis use or accidental damage EXCEPT AS PROVIDED HEREIN RadioShack MAKES NO EXPRESS WARRANTIES AND ANY IMPLIED WARRA...

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