GE-MARC - DIRECT MODE OPERATION
The following section describes how to operate the radio within a
direct mode System (radio-to-radio).
RECEIVING A MESSAGE
1. Press the M (Shift/Clr/Monitor) button and then use the up/down
arrow buttons to select a direct mode System. The SYS display will
identify the current System selected.
2. Continue to use the up/down arrow buttons to select the desired
channel. The radio is now ready to receive messages.
3. Double click the M (Shift/Clr/Monitor) button and hold to disable
squelch and monitor the channel. Adjust the volume control to the
desired audio level.
NOTE:
Pressing the M (Shift/Clr/Monitor) button twice to monitor
the channel may affect the busy tone signaling if programmed for
the selected channel.
4. When a message is received and the correct busy tone signal is
decoded, (if programmed and enabled) the receiver will unsquelch
and the message will be heard.
SENDING A MESSAGE
1. Turn the radio ON and set the desired System and Channel as
described in the previous section.
2. Ensure no one is transmitting on the selected channel by:
a) double clicking the M (Shift/Clr/Monitor) button -- or --
b) observe the display - the BUSY indicator should
not
be present.
3. Hold the radio about 3 inches from your mouth, press the PTT
button and speak in a normal tone into the microphone.
4. Release the PTT button when your transmission is complete and
listen for a reply.
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