Basic Operation; Reception; Transmission; Transmit Time-Out Timer (Tot) - Standard Horizon ECLIPSE DSC PLUS GX1150 Owner's Manual

11 BASIC OPERATION

11.1 RECEPTION

1. After the GX1150 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 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
nel chart on page 70 for available channels.
7. When a message is received, adjust the volume to the desired listening
level. The "
is being used.

11.2 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 1/2 inch (1.3 cm) from the mouth
for optimum performance.
5. When the transmission is finished, release the PTT switch.
11.3 TRANSMIT TIME - OUT TIMER ( TOT )
When the PTT switch on the microphone is held down, transmit time is limited
to 5 minutes. This limits unintentional transmissions due to a stuck microphone.
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.
When a transmission was shut down by the TOT, the GX1150 can not
transmit afterwards for 10 seconds.
Page 24
or keys to select the desired channel. Refer to the chan-
" indicator on the LCD is displayed indicating that the channel
NOTE
NOTE
" indicator in the LCD is
GX1150