Basic Operation; Reception; Transmission; Transmit Time-Out Timer ( Tot ) - Standard Horizon ECLIPSE DSC+ GX1200E Owner's Manual

8 BASIC OPERATION

8.1 RECEPTION

1. After the GX1200E has been installed, ensure that the power supply and
antenna are properly connected.
2. Turn the VOL/PWR knob clockwise to turn the transceiver on.
3. Turn the SQL knob fully counterclockwise. This state is known as "squelch
off".
4. Turn up the VOL knob 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
channel chart on page 98 for available channels.
7. When a message is received, adjust the volume to the desired listening
level. 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 the PTT (push-to-talk) switch. The "
displayed.
4. Speak slowly and clearly into the microphone.
This is a noise cancelling microphone. The oval slot on the micro-
phone should be positioned within 1.3 cm from the mouth for
optimum performance.
5. When the transmission is finished, 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 first be released and then pressed
again.
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or keys to select the desired channel. Refer to the
" indicator on the LCD is displayed indicating that the
" indicator in the LCD is
NOTE
GX1200E