VHF FM Business Band  (190-1203)       Operation       Faxback Doc. # 16668
Transceiver

CONNECTING THE ANTENNA

Attach the flexible antenna to the antenna jack on top of the transceiver.
Place the slots in the antenna's connector over the tabs on the antenna
jack, squeeze the base of the antenna, and push down and turn the antenna's
connector until the antenna locks into place.

Instead of the supplied antenna, you can connect an optional antenna.  The
BNC antenna jack on your transceiver makes it easy to connect a variety of
antennas such as an external mobile antenna or an outdoor base antenna.

CAUTION:  Never connect an antenna that is not specifically tuned for the
          transceiver's frequency range.

WARNING:  When installing or removing a base station antenna, use extreme
          caution.  If it starts to fall, let it go!  It could contact 
          overhead power lines.  If the antenna touches the power line, 
          contact with the antenna, mast, cable, or guy wires can cause
          electrocution and death!  Call the power company to remove the
          antenna.  Do not attempt to do so yourself.

USING AN EARPHONE

To listen privately or to hear better in a noisy area, you can plug a 
monaural earphone (Cat. No. 33-175) into the EAR jack on top of the 
transceiver.  This automatically disconnects the speaker.

USING AN EXTERNAL MICROPHONE

An external microphone (Cat. No. 19-310) can make it easier to use the 
transceiver when you clip it to your belt.  Plug the microphone cable's
connector into the external microphone/speaker jacks on top of the 
transceiver.  This automatically disconnects the transceiver's speaker.

NOTE:  The transceiver's internal push-to-talk button still works with
       an external microphone attached.

1.  Turn VOL clockwise to turn on the transceiver.

2.  Select Channel A or B using the switch on top of the transceiver.

3.  To conserve battery power, set RF POWER HI/LO to LO.  If the person you
    transmit to has trouble receiving you signal, set RF POWER HI/LO to HI.

4.  To transmit, press and hold the push-to-talk button, then hold your
    transceiver about 3 inches from your mouth and speak slowly and clearly
    in a normal tone of voice.  The BUSY-TX/LO BATT indicator lights red.

5.  To receive a message, release the push-to-talk button, The BUSY-TX/LO
    BATT indicator lights green.

6.  Adjust VOL to a comfortable listening level.

7.  If you are not using CTCSS, wait until there is no signal on the
    channel, then slowly turn SQL/CTCSS clockwise until the background
    noise stops.

    NOTE:  Do not turn SQL/CTCSS too far clockwise because you might cut
           out weak signals.

           If you are using CTCSS (see "Why Use CTCSS?"), turn SQL/CTCSS
           counterclockwise until it clicks.

8.  To turn off the transceiver, turn VOL counterclockwise.

WHY USE CTCSS?

CTCSS (Continuous Tone-Coded Squelch System) helps eliminate interference
between different users of the same frequency.  When CTCSS is turned on, 
the transceiver transmits a selected tone with your transmission.  This
tone is too low for you to hear, but other transceivers can detect it.  If
CTCSS is turned on land set to the same tone on the receiving transceiver,
it only receives those transmissions that include the tone.

If two different groups operate transceivers in the same area on the same
frequency, they do not hear each other's broadcasts if they both use CTCSS
and each select a different CTCSS tone.

The CTCSS tone default for this unit is 100 Hz.  There are 38 different
CTCSS tones available.  See "Specifications" for a complete list.  Only
authorized Radio Shack Service Centers can change the CTCSS tone.

ADDITIONAL FCC REGULATIONS

The Business Radio Service is under jurisdiction of the Federal
Communications Commission (FCC).  Any adjustments or alterations that would
alter the performance of the transceiver so it no longer meets the original
FCC type acceptance or would change the frequency-determining method are
strictly prohibited.

Replacement or substitution of crystals, transistors, ICs, regulator
diodes, or any other component that is of a unique nature with components
other than those recommended can violate the technical regulations of the
FCC rules or violate type acceptance requirements of the rules.

Before you operate the transceiver, you must obtain your license.  It is
illegal to transmit without the appropriate license, which you can get by
submitting a completed FCC Form 574 (included) to the FCC (or through NABER
if you do not qualify for either of the supplied frequencies).
Furthermore, you are required to understand Part 90 of the FCC Rules and
Regulations prior to operating your transceiver.  It is your responsibility
to see that this unit is operating at all times in accordance with the FCC
Rules and Regulations.


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