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PANEL DESCRIPTION
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IC-F1721/D
IC-F1821/D
F2721/D
F2821/D
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Front panel
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AF VOLUME CONTROL KNOB
Rotate the knob to adjust the audio output level.
• Minimum audio level is pre-programmed.
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FUNCTION DISPLAY
(p. 2)
Displays a variety of information, such as an operating
channel number/name, 5-tone code, DTMF numbers and
audible condition, etc.
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DIAL or UP/DOWN KEYS
• IC-F1721/D, F2721/D:
DIAL
Rotate to select an operating channel, etc.
• IC-F1821/D, F2821/D:
UP/DOWN Keys
Push to select an operating channel, etc.
*The desired function can be assigned by your dealer. (p. 3)
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10-KEYPAD
(IC-F1821/D or IC-F2821/D only)
The keypad allows you to enter digits to:
• Select memory channels, tone channels and DTMF codes
(when in the DTMF code channel selection mode)
• Set TX codes and BIIS status number
• Input text message for SDM operation
• Start up with a password
• Input the Individual ID code for digital operation.
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BUSY INDICATOR
Lights green while receiving a signal, or when the squelch
is open.