User Manual

REPLACING THE FUSE
The TRC-520’s 2-amp in line fuse
Helps protect your CB form power
surgesand short circuits. When
replacement is required,use a
2amp, fast-acting glass fuse,
available at your local RadioShack
store.
Follow these steps to replace the
fuse.
.Make sure the vehicle and CB are
both off.
2.Hold the fuse holder at both ends,
push the ends together,twist one
end counterclockwise,and pull
them apart.
3.Remove the old fuse and in spect
its condition.If it is blown,insert a new
one of the same type and rating.If it
is not blown,reinsert it.
Caution : Do not use a fuse with rat-
ings other then those specified
here. Doing so might damage your
TRC-520
4.Push the fuse holder ends toget-
ther and twist one end clockwise.
THE FCC WANTS YOU TO
KNOW
Your CB might cause TV or radio inter-
ference 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 eli-
minate the in terference by:
• moving your CB away from the
receiver
• contacting your local RadioShack
store for help
If you cannot eliminate the interfe-
Rance ,the FCCrequires the you stop
using your CB radio .
Any adjustment to a CB must be made
By a qualified technician using the
proper test quuipment.
To be safe and sure:
• Never open your CB radio’s case.
• Never change or replace anything
in your CB radio.
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SPECIFICATIONS
GENERAL
Channels…………………………………………….……………………....40 Channels
Frequency Range…………………………………………..29.965MHz to 27.405 MHz
Power Requirement…………………13.8V DC(12-16 Volts DC , Negative Ground )
Dimensions(HWD)…………………………………………...180(L)x35(H)x140(D)mm
Weight……………………………………………………………………………0.850kG
RECEIVER
Sensitivity…………………………………………….0.5µV or better for 10 dB(S+N)/N
Adjacent Channel Rejection……………………………………….....50dB (at 10 KHz)
Audio Output……………………………………………………….4.5 Watts(Maximum)
Frequency Respoency……………………………………………………..450-2500 Hz
Intermedite Frequency……………………………………………..1 st IF: 10.695 MHz
2 nd IF:455 KHz
Cross Modulation……………………………………………………………………50 dB
Squelch………………………………………………...Adjustable from 0.5 µV to 1 mV
TRANSMITTER
Output Power………………………………………………….4 Watts (FCC Maximum)
Type of Modulation…………………AM Double- Sideband , Full Carrier Modulation
Modulation Capability……………………………………………………………….±90%
Spurious Emission…………………………………………………...Less then – 70 dB
Frequency Tolerance…………………………………………………………....±200 Hz
Antenna Impedance……………………………………………………………...50 Ohm
Current Drain…………………………...(13.8-volt supply)1 Amp with No Modulation
1.6 Amps with 80 % Modulation
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