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9 BASIC OPERATION
9.1 TURNING ON AND OFF THE TRANSCEIVER
1. After the transceiver has been installed, ensure that the power supply and
antenna are properly connected.
2. Press and hold the key to turn the radio
ON
.
9.2 RECEPTION
1. Turn the
SQL
knob fully counterclockwise. This state is known as “squelch
off”.
2. Turn the
VOL
knob until noise or audio from the speaker is at a comfort-
able level.
3. Turn the
SQL
knob clockwise until the random noise disappears. This state
is known as the “squelch threshold”.
4.
Press the [▲] or [▼] key
to select the desired
channel. Refer to the channel chart on page
5. When a signal is received, adjust the volume to
the desired listening level. The
BUSY
Indicator
Lamp glows green, and the
BUSY
icon on the
display indicates that communications are being
received.
9.3 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 and hold the
PTT
(push-to-talk) switch of the microphone. The “
TX
”
indicator appears on the LCD.
4. Speak slowly and clearly into the microphone.
5.
When the transmission is finished, release the
PTT
switch.
NOTE
Position your mouth about 1 inch (2.5 cm) away from the microphone
hole and speak in a normal voice.
9.3.1 Transmit Power
The TX output power of the
GX1400
series is set to high level (25 W) in factory
default, and the “HI” indicator is displayed on the top part of the screen.
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