GX2355S
Owner’s Manual
page 13
5
BASIC OPERATION
5.1
RECEPTION
1. After the transceiver has been installed, ensure that the power
supply and antenna are properly connected.
2. Press and hold the
VOL/PWR
knob until the radio turns on.
3. Turn the
SQL
knob fully counterclockwise. This state is known as
“squelch off”.
4. Turn up the volume until noise or audio from the speaker is at a
comfortable level.
5. Turn the
SQL
knob clockwise until the random noise disappears.
This state is known as the “squelch threshold.”
6. Press the
UP
or
DOWN
key to select the desired channel. Refer to
the channel chart (section 11 CHANNEL ASSIGNMENTS) for
available channels.
7. When a message is received, adjust the volume to the desired
listening level. The “BUSY” indicator in the LCD is displayed
indicating that the channel is being used.
5.2
TRANSMISSION
1. Perform steps 1 through 6 of RECEPTION.
2. Before transmitting, monitor the channel to ensure it is clear. THIS
IS AN FCC REQUIREMENT!
3. Press the
PTT
(push-to-talk) switch. The TX indicator on the LCD is
displayed.
4. Speak slowly and clearly into the microphone.
5. When the transmission is finished, release the
PTT
switch.
NOTE
This is a noise-canceling microphone. The oval slot on the top front of
microphone should be positioned within 1 inch (2 cm) from the mouth
for optimum performance.
6. Refer to the section 9 OPERATING PRACTICES for standard
transceiver operating procedures.