galaxy DX98VHP manual
INSTALLING YOUR GALAXY DX98VHP
Choose a convenient location for operation that does not interfere with driver or
passenger. This radio is supplied with a universal mounting bracket. When mounting
the bracket and radio to your car, make sure it is mechanically strong. Also, provide a
good electrical grounding connection to the chassis of vehicle. Proceed as follows to
install the radio.
1. Locate a convenient area in your vehicle for the installation of the radio. Hold the
mounting bracket with the radio in the location where the radio is to be installed.
Make sure nothing will interfere with either the radio or the mounting bolts. Mark
and then drill holes for the mounting bracket.
2. Most radio antennas come equipped with a PL-259 plug. Connect this plug to the
ANT. Jack in the rear of the radio.
3. Extending from the rear of the radio is a fused red and black wire for the DC
connections to the vehicle’s electrical system. For best performance, it is strongly
recommended that the Red lead be connected directly to the positive terminal on
the vehicle’s battery and the black lead be connected directly to the negative
terminal on the battery. (Note, not connecting both leads direct to the battery may
cause performance problems) This radio is designed for vehicles with negative
Connections should be made using appropriate “crimp on” lugs of a size large
enough to make good contact with the bolt used to fasten to the. It is a good safety
idea to install a second 50 amp fuse that would provide protection in case the red
wire was to “fray” or get pinched and short to the body of the vehicle, somewhere
between the battery and the radio.
High power radios such as this one require large DC current flow when in the TX
mode. Poor power connections cause supply voltage drops that can substantially
decrease the performance of your radio. A good DC connection is probably one of
the most important things for getting the best transmitter performance and in some
cases, least receiver noise.
4. Mount the microphone bracket near the radio in an easily accessible spot using the
two screws provided.
IGNITION NOISE INTERFERENCE
With weak signals, you may experience interference of the signal by background
noise. This radio has NB and ANL circuits that will help reduce background noise from
sources such as your ignition system. However, background electrical noise may come
from several sources and all noise may not be eliminated. With extremely weak signals,
you can operate this radio with the engine turned off, which should improve reception.
If the ignition noise level is too high to allow proper operation under most conditions,
you should have your installation of the radio checked by a qualified technician.
This radio has a jack in the rear for a standard PL-259 antenna plug. If you are
looking for the most range for your transmission, use a vertically polarized, quarterwave
length antenna. Ifantenna height is a problem, you may use a shorter, loaded-type
whipantenna although you can expect some loss of transmission range.
To improve performance, your antenna should be matched to your radio. Your
antenna can be adjusted so that it matches your radio.
The external speaker jack (EXT SP.) on the rear panel is used for remote receiver
monitoring. The external speaker should have 8 ohms impedance and be able to handle
at least 4 watts. When the externalspeaker is plugged in, the internal speaker is
To use the Public Address (PA) function, first connect an external speaker to the PA.
SP. Jack on the rear of the radio. See the above specifications for a proper external
speaker. Keep the speaker away from the microphone to avoid acoustic feedback.PROCEDURE TO
RECEIVE AND TRANSMIT
The push-to-talk switch on the microphone controls the receiver and transmitter. Press
the switch and the transmitter will activate, release switch to receive. When transmitting,
hold the microphone two inches from your mouth and speak clearly in a normal voice.
This transceiver comes complete with a low impedance dynamic microphone.
1. Be sure that power source, microphone and antenna are connected to the proper
connectors before going to the next step.
2. Turn VOL knob clockwise to apply power to the radio.
3. Set the VOL for a comfortable listening level.
4. Set the MODE switch to the desired mode.
5. Listen to the background noise from the speaker. Turn the SQ knob slowly
clockwise until the noise just disappears. The SQ is now properly adjusted. The
receiver will remain quiet until a signal is actually received. Do not advance the
control too far or some of the weaker signals will not be heard.
6. Set the CHANNEL selector switch to the desired channel.
7. Adjust COARSE/FINE control to clarify the SSB signals or to optimize AM/FM
1. Select the desired channel of operation.
2. Set the MIC GAIN control fully clockwise.
3. If the channel is clear, depress the push-to-talk switch on the microphone and speak
in a normal voice.
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