Standard Horizon QUANTUM Series GX3500S - Manual (Page 24)

GX3500S Page 24
10 BASIC OPERATION
10.1 RECEPTION
1. After the transceiver has been installed, ensure that the power supply and
antenna are properly connected.
2. Press and hold the [PWR] key until the radio turns 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. Turn the CHANNEL selector knob to select the desired channel. Refer to
the channel chart on page 78 for available channels.
7. The keypad on the front may be used to directly select channels. Example
to select channel 68:
1. Press [6(NAV)]
2. Press [8(PA)]
3. Press [ENT]
In the USA and Canadian modes, press and hold in the [0] key to select the
“A” channel. Example to select channel 22A:
1. Press [2(MEM)]
2. Press [2(MEM)]
3. Press [0] until “A” appears to the right of the channel number
4. Press [ENT]
8. When a message is received, adjust the volume to the desired listening
level. The “ ” indicator in the LCD is displayed indicating that the chan-
nel is being used.
10.2 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 “ ” indicator in 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 bottom of
microphone should be positioned within 1/2 inch (1.3 cm) from the mouth
for optimum performance.