TRC-235 3-Channel CB Walkie-Talkie
(210-1620) Operation Faxback Doc. # 39966
RECEIVING TRANSMISSIONS AND ADJUSTING SQUELCH
1. If you did not connect an external antenna, fully extend the TRC-235's
telescoping antenna and hold the TRC-235 so the antenna is vertical.
Caution: Unless an external antenna is attached, you should fully
extend the antenna for maximum efficiency.
2. Set CHANNEL to A, B, or C.
Note: Your TRC-235 comes with Channel 14 crystals installed in channel
position A. To use other channels, you must first install
crystals in channel positions B and C inside the TRC-235.
3. Turn on the TRC-235 by turning OFF/VOLUME clockwise until you hear a
click and a hissing sound.
Note: You might not hear a hissing sound if CHANNEL is set to B or C
and you haven't installed any crystals in channel positions B
or C.
4. Adjust OFF/VOLUME to a comfortable listening level.
5. Adjust SQUELCH to cut out the background noise. To do this, wait until
there is no signal on the channel. Then slowly turn SQUELCH clockwise
until the background noise stops.
Note: Do not turn SQUELCH too far clockwise because you might also cut
out weak signals.
6. To turn off the TRC-235, turn OFF/VOLUME toward OFF until it clicks.
TRANSMITTING
1. Follow steps 1-5 in "Receiving Transmissions and Adjusting Squelch".
2. Hold the TRC-235 2 to 3 inches from your mouth. Hold down PUSH TO
TALK on the side of the TRC-235 and speak in a normal voice into the
microphone. When you finish speaking, release the button.
Note: Do not speak too loudly when transmitting. It does not make
your signal any stronger, and might distort your transmission.
Important: Channel 9 is reserved for motorist assistance and for
reporting emergency information about accidents, hazardous
road conditions, and so on. If you have installed the
necessary crystals in your TRC-235 and you are using
Channel 9, always give the emergency messages priority.
3. To turn off the TRC-235, turn OFF/VOLUME toward OFF until it clicks.
CB OPERATION TIPS
The following tips will help you get the most enjoyment from your TRC-235.
Common Uses for a CB Radio
Business Uses
Truck drivers and delivery personnel can learn road and traffic conditions
and get assistance in locating destinations. A walkie-talkie is also good
company on those "long hauls."
On construction crews, a walkie-talkie quickly pays for itself when you
are calling for additional materials or coordinating the activities of
different work crews.
For security officers, a walkie-talkie is more than a convenience - it is
a must for both safety and efficiency.
Personal Uses
Keep in touch with home while driving to work, to the store, or to a social
activity. Let your family know you are tied up in traffic or that you will
stop by the store on the way home.
If you are a two-car (or more) family, walkie-talkies are great for
communicating with family members while they are in their cars.
Contact friends or neighbors - find out "what's happening" or plan a
get-together.
Ever have car trouble or run out of gas on the highway? What an assurance
it is to be able to radio for assistance.
Camping, fishing, and other sports are more fun with a walkie-talkie.
Locate a friend or find out "what's cooking" back at camp.
Using Common 10-Codes
Citizen's band operators have largely adopted the 10-codes for standard
question and answers. Their use permits faster communications and better
intelligibility in noisy areas.
This table lists the codes adopted by the Associated Public Safety
Communications Officers (APCO).
Code Meaning
10-1 Cannot understand your message.
10-2 Your signal is good.
10-3 Stop transmitting.
10-4 Message received and understood.
10-5 Relay information to _________.
10-6 I am 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 Information.
10-15 Message delivered.
10-16 Reply to message.
10-17 En route.
10-18 Urgent.
10-19 Contact ______________.
10-20 My location is __________.
10-21 Call __________ by telephone.
10-22 Cancel last message.
10-23 Arrived at the scene.
10-24 Assignment complete.
10-26 Estimated time of arrival is __________.
10-30 Use caution.
10-31 Pick up.
10-33 Emergency traffic. Clear the channel.
10-34 The time is ____________.
Note: Although this table lists the 10-codes' meanings in the form of a
statement, they can also be phrased as questions (10-6: Are you
busy?, 10-20: What is your location?).
CB COURTESY
Wait for a pause in someone else's transmission before you ask for a break.
If you do not receive an answer to your call after a second attempt, sign
off and wait several minutes before trying again.
Do not hold down PUSH TO TALK when you are not talking. (This is called
deadkeying.)
Assist callers with directions, information about road conditions, and any
other reasonable requests.
MAXIMUM RANGE
The maximum range and quality of CB transmissions vary depending on these
conditions:
Amount of power in the batteries
The surrounding terrain - mountains and tall buildings limit the range
The number of nearby CBs operating on the same channel
To ensure maximum range, always keep fresh alkaline batteries or fully
charged nickel-cadmium batteries in your TRC-235 when using battery power.
(km-06/11/1997)
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