![background image](http://html1.mh-extra.com/html/icom/if1721-d/if1721-d_instruction-manual_2038187006.webp)
1
1
PANEL DESCRIPTION
Front panel
■
I c o m
I n c
y
o
r
u
t
i
q
e
*
w
e
*
IC-F1721/D
IC-F1821/D
F2721/D
F2821/D
q
AF VOLUME CONTROL KNOB
Rotate the knob to adjust the audio output level.
• Minimum audio level is pre-programmed.
w
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.
e
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)
r
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.
t
BUSY INDICATOR
Lights green while receiving a signal, or when the squelch
is open.