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Channels programmed with low power cannot be switched
to high power, but channels programmed with high power
can be switched to low power and then back to high power
by pressing this key again. When using high power, the
icon appears on the display.
• Monitor (MON)
Press this key to turn the transceiver signaling off. This
will allow you to listen to all calls that are received on your
selected channel. While monitor is activated, the
icon
appears on the display. Press the Monitor key again to
turn the transceiver signaling back on.
• Monitor Momentary (MON)
Press and hold this key to momentarily turn the
transceiver signaling off. Releasing this key turns the
transceiver signaling back on. While signaling is off, you
can listen to all calls that are received on your selected
channel. While monitor is activated, the
icon appears
on the display.
• None
No function has been programmed on the key.
• Operator Selectable Tone (OST)
Press and hold this key for 1 second to enter Tone
Selection mode. When activated, the
icon appears on
the display. When in Tone Selection mode, use Side 2
and Side 3 keys or the the D> and <C keys to select your
desired tone from 1 to 40. Press the Side 1 key to
complete the selection.
To toggle the OST function ON and OFF, press the
Operator Selectable Tone key. Refer to “QUIET TALK
(QT)/ DIGITAL QUIET TALK (DQT)” on page 35 for details.
• OST Down (OS▼)
Press this key to decrease the Operator Selectable Tone
number of your selected channel. (This key functions
similar to the Operator Selectable Tone key.)