Uniden GRANT User Manual

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GRANT 40 Channel AM/SSB

Mobile CB Radio

OWNERS MANUAL

INTRODUCTION

UNIDEN CORPORATION OF AMERICA has combined superb workmanship and
modern styling with the very latest state-of-art circuitry to bring you the GRANT
Citizens Band Trasnceiver. It has been especially designed to give you maximum
performance and reliability. Your GRANT is completely factory aligned and quality
assurance tested.

To obtain the maximum benefit and pleasure from your GRANT, please read very
carefully the contents of this manual before attempting to install or operate the
transceiver.

WARNING

The Citizens Band (CB) Radio Service is under the jurisdiction of the Federal
Communications Commission (F.C.C.). Any adjustments or alterations which
would alter the performance of the transceiver's original F.C.C. Type
Acceptance or which would change the frequency determining method are
strictly prohibited. Replacement or substitution of Crystals, Transistors, 1C,

Regulator Diodes or any other part of a unique nature, with parts other than

those recommended by us, may cause violation of the technical regulations of

Part 95 of the F.C.C. Rules or violation of Type Acceptance requirements of
Part 2 of the Rules.

ELIMINATION OF LICENSING

The Federal Communications Commission (F.C.C.) has ruled that Citizens Band (CB)
Radio Service operators no longer are required to obtain an F.C.C. license to operate
their CB equipment. In doing so, the F.C.C. also decided to permit CB station
operation without station identification.

Elimination of individual station licenses results in no lessening of the operating
privileges or responsibilities of CB users. An operator of a CB radio station is still
required to comply with the Communications Act and with the rules of CB Radio
Service.

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INSTALLATION

MOBILE STATION INSTALLATION

Plan the location of the transceiver and microphone bracket before starting the
installation. Select a location that is convenient for opwration and does not interfere
with the driver or passenger in the vehicle. The radio should be securely fastened to
some solid face, using the mounting bracket and self-tapping screws which are
provided,

MOBILE STATION ANTENNA

Since the maximum allowable power output of the transmitter is limited by the
F.C.C., the antenna is a very important factor affecting transmission distance. It is
for this reason that we strongly recommend that you install only a quality antenna in
your new citizens band system. You have just purchased a superior transceiver. Don't
diminish its performance by installing an inferior antenna.

Only a properly matched antenna system will allow maximum power transfer from
the 50-ohm transmission line to the radiating element. Your UNIDEN dealer is
qualified to assist you in the selection of the proper antenna to meet your applica
tion requirements.

For automobile installation, the whip antenna may be used with good effect. The

most efficient and practical installation is a full quarter wave whip antenna mounted
on the rear deck or fender top midway between the rear window and bumper.

A short "loaded" whip antenna is more convenient to install on you automobile,
although the efficiency is less than a full quarter wave whip antenna.

For marine installation, consult your dealer for information regarding an adequate

grounding system and prevention of electrolysis between fittings the hull and water.

GROUND INFRMATION

Most newer U.S. and foreign made cars and small trucks use a negative ground
system, while some older cars and some newer large trucks may use a positive ground
system.

A negative ground system is generally identified by the (-) battery terminal being
connected to the vehicle motor block, but if you cannot determine the polarity
system of your vehicle, it is suggested that you consult your vehicle dealer for
definite information.

POWER CORD CONNECTION: NEGATIVE GROUND SYSTEM

If you are operating on a negative ground system, connect the red DC power cord

from the transceiver to the positive, or (-r), battery terminal or other convenient

point and connect the black power lead to the chassis or vehicle frame, or (-) battery

terminal.

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POWER CORD CONNECTION: POSITIVE GROUND SYSTEM

If you are operating on a positive ground system, connect the black DC power cord
from the transceiver to the negative, or {-), battery terminal or other convenient
point, and connect the red power lead to the chassis or vehicle frame, or (+) battery
terminal.

MOTE: With regard to the connection of the power cords, it may be possible or
desirable to connect the (red lead for negative ground system) or (black lead for
positive ground system) to the ignition switch accessory terminal so that the
transceiver is automatically turned off when the ignition switch (key) is turned off.
Alternately, the power lead may be connected to an available terminal on the fuse
block or even to a point in the wiring harness. Care must be taken, however, to guard
against a short circuit condition. When in doubt, please contact your vehicle dealer

for specific information for your vehicle.

BASE STATION OPERATION

To operate the transceiver from your home or office, using regular house current as
the power source, you will require a separate power supply capable of supplying 3
amps at a 13,8V DC output with a nominal input voltage of 12D volts AC, 50/60Hz.
Simply connect the red (+) and black (-) leads of the transceiver to the correspond

ing DC terminals of the power supply.

NOTE; Do not attempt to operate this transceiver by connecting directly to 117V

AC, When an AC power supply is used with the transceiver for base station
operation any Citizens Band beam, dipole, ground plane or vertical antenna
may be used. A ground plane vertical antenna will provide the most uniform
horizontal coverage.

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OPERATING PROCEDURE

TO RECEIVE:

The GRANT operates on 40 AM channels, 40 Upper Side Band channels and 40

Lower Side Band channels.

When you receive the SSB signal in the proper mode (USB or LSB), audio sound may
be either too high pitched or low pitched, indicating that your receiver may not be
tuned to the exact same frequency as the transmitter to which it is listening. The
GRANT is equipped with a Clarifier. By tuning the Clarifier, you can slightly change
the frequency of the receiver so you get a normal tone.

1. Place the PA switch in CB function — by turning SQUELCH control clockwise,

past click.

2. Turn the set on by turning the VOLUME CONTROL clockwise, past click,
NOTE : Microphone must be plugged in for receiver to operate.

3. Set the VOLUME CONTROL to a comfortable level.

4. Set the Mode Selector Switch to the desired mode.

5. Listen to the background noise from the speaker. Turn the SQUELCH CQNTROL

slowly clockwise, until the noise just disappears. The Squelch is now properly
adjusted. The receiver will remain quiet until a signal is received. Do not advance
the control too far, or some of the weaker signals will not be heard.

6. Set the Channel Selector to the desired channel,

7. Adjust the CLARIFIER to clearly receive SSB or AM signals.

TO TRANSMIT;

CAUTION

The transceiver Voltage Standing Wave Ratio (V.S.W.R.) measurement must
be performed prior to the use of the transmitter. A.V.S.W.R. ratio in excess
of 2:1 may damage the transmitter.

1. Be sure the operator has read and understands part 95, F.C.C. Rules and Regula

tions prior to operating the transmitter.

2. Select the desired channel.

3. If the channel is clear, depress the push-to-talk switch on the microphone and

speak in a normal voice.

_ 4 _

CONTROLS AND THEIR FUNCTIONS

1. OFF/ON VOLUME: To turn the transceiver on, rotate this control clockwise
past click. To turn the transceiver off, rotate the control counterclockwise past
click. Rotate the control clockwise for a comfortable audio level.

2. SQUELCH: The Squelch control is normally set to a position which eliminates
undesired background noise with no signal present. With the audio adjusted to a
satisfactory level, rotate the Squelch control clockwise to the point where the
sound from the speaker is cut off. In this position, there will be no sound from
the speaker until a signal is received. In order to hear weak signals, it may be
necessary to rotate the Squelch control counterclockwise, allowing some back
ground noise to be heard.

3. PA SWITCH {on SQUELCH control); Full counterclockwise rotation of the
squelch control engages the PA function. The PA function should not be used
unless an external speaker is connected. In the squelch (or CB) position, the PA
function is disabled and the radio will transmit and receive on the selected
channel.

4. MODE SELECTOR: This switch selects AM, USB, or LSB mode of operation.
This selector changes the mode of operation of both transmitter and receiver

simultaneously. Set the selector to the mode on which you wish to com
municate.

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