2
BASIC OPERATION
2-8
Selectingtheoperatingmode
Operating modes are determined by the modulation of
the radio signals. The transceiver has a total of five op-
erating modes; AM, AM-N, FM, FM-N and DV.
The FM mode is set as a default.
Touch the Mode icon. q
• Opens the operating mode setting window.
Touch a desired operating mode. w
• You can select the AM or AM-N mode for only the AIR
band (118.000 MHz to 136.99166 MHz).
• You can select the FM, FM-N or DV mode for only the 144
and 430 MHz bands.
• While in the FM-N mode, the TX modulation is automati-
cally set to narrow (approximately ±2.5 kHz)
• While in the DV mode, [GPS] appears in the operating
mode setting window, and you can select the GPS TX
mode. When the GPS TX mode is set, “
” is displayed.
(p. 8-14)
Operating mode setting window
Monitorfunction
You can use this function to listen to weak signals with-
out disturbing the squelch setting, or having to manu-
ally open the squelch, even when mute functions as the
tone squelch or digital squelch are in use.
Touch the Function group icon one or more times. q
• Selects the F-1 menu.
Touch [MONI]. w
• Touching [MONI] turns the Monitor function ON or OFF.
• When the Monitor function is ON, “BUSY” blinks and the
squelch opens to receive signals.
• The Monitor function has no effect when the Attenuator is
ON. Even if you turn ON the Monitor function, the Attenu-
ator is still ON.
Blinks
You can turn the Monitor function ON or OFF by
touching the S-meter area.
Touch
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