Icom IF1721/D Instruction Manual page 12

F1700 series vhf/uhf mobile transceiver
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1
PANEL DESCRIPTION
USER SET MODE KEY
Push and hold to enter the User Set mode.
• During the User Set mode, push this key to select an item, and
change the value or condition using push [CH Up]/[CH Down].
Push and hold this key again to exit the User Set mode.
OPT 1/2/3 KEYS
Push to control the output signal level from the optional unit
connector.
DIGITAL BUTTON KEY (BIIS operation only)
Push to select the call ID list, transmit message and
standby condition. Toggles between queue channel and
received message record indication after queue channel
is selected.
Push and hold to select queue channel indication.
✩ STATUS UP/DOWN KEYS (BIIS operation only)
While in the standby condition, push (or rotate)* to display
the transmit status indication and select a status number.
When a received SDM is displayed, push (or rotate)* to
cancel the automatic scroll and scroll the message manu-
ally.
When an SDM that contains more than 12 characters is
displayed, push (or rotate)* to scroll the message manu-
ally.
* Rotate when this function is assigned to [DIAL].
7
TONE/NAC CH SELECT KEY
(LMR (P25 Conventional) operation only)
While in the analog mode operation, push to select the
continuous tone channel using [CH Up] or [CH Down] to
change the tone frequency/code setting.
While in the digital mode operation, push to select the
NAC channel using [CH Up] or [CH Down] to change the
NAC code setting.
While in the mixed (digital and analog) mode operation,
push to select the continuous tone channel using [CH Up]
or [CH Down] to change the tone frequency/code setting.
Then push this key to enter the setting. After that, the NAC
channel selection screen appears. Select the NAC chan-
nel using [CH Up] or [CH Down] to change the NAC code
setting. Then push this key to enter the setting.

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