User Manual

Page 25
GX1300
8 BASIC OPERATION
8.1 RECEPTION
1. After the GX1300 has been installed, ensure that the power supply and
antenna are properly connected.
2. Turn the VOL knob clockwise until it clicks to turn the transceiver on.
3. Turn the SQL knob fully counterclockwise. This state is known as “squelch
off”.
4. Turn the VOL knob until noise or audio from the speaker is at a comfort-
able level.
5. Turn the SQL knob clockwise until the random noise disappears. This
state is known as the “squelch threshold.”
6. Press the ▲ or ▼ keys to select the desired channel. Refer to the
channel chart on page 104 for available channels.
7. When a message is received, adjust the volume to the desired listen-
ing level with the VOL knob. The “BUSY” indicator appears on the LCD
indicating that the channel is being used.
8.2 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 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 nished, release the PTT switch.
8.3 TRANSMIT TIME-OUT TIMER
(
TOT
)
When the PTT switch on the microphone is held down, transmit time is limit-
ed to 5 minutes. This limits unintentional transmissions due to a stuck micro-
phone. About 10 seconds before automatic transmitter shutdown, a warning
beep will be heard from the speaker(s). The transceiver will automatically
go to receive mode, even if the PTT switch is continually held down. Before
transmitting again, the PTT switch must rst be released and then pressed
again.
NOTE
When a transmission was shut down by the TOT, the GX1300 can not
transmit afterwards for 10 seconds.