![background image](http://html1.mh-extra.com/html/icom/f1721-03b-emdc/f1721-03b-emdc_instruction-manual_611931006.webp)
2
1
PANEL DESCRIPTION
y
POWER SWITCH [POWER]
Push to turn the power ON and OFF.
• The following functions are available at power ON as options:
- Automatic scan start
- Password prompt
- Set mode
u
TRANSMIT INDICATOR
Lights red while transmitting.
i
DEALER-PROGRAMMABLE KEYS
Desired functions can be programmed independently by
your dealer. (p. 3)
In this instruction manual, these keys are from the left,
called [P0]/[P1]/[P2]/[P3]/[P4].
o
MICROPHONE CONNECTOR
Connect the supplied microphone or optional DTMF micro-
phone.
NEVER
connect non-specified microphones. The pin
assignments may be different and the transceiver may
be damaged.
D
D
MICROPHONE
The supplied microphone has a PTT switch and a hanger
hook.
• The following functions are available when the microphone is on or
off hook:
- Automatic scan start when on hook.
- Automatic priority channel selection when off hook.
- Sets to ‘Inaudible’ condition (mute condition) when on hook.
- Sets to ‘Audible’ condition (unmute condition) when off hook.
■
Function display
q
SIGNAL STRENGTH INDICATOR
Indicates relative signal strength level.
w
LOW POWER INDICATOR
Appears when low output power is selected.
e
AUDIBLE INDICATOR
➥
Appears when the channel is in the ‘audible’ (unmute)
condition.
➥
Appears when the specified 2/5-tone/BIIS code is
received.
r
COMPANDER INDICATOR
Appears when the compander function is activated.
t
SCRAMBLER INDICATOR
Appears when the voice scrambler function is activated.
1 3 6 . 1
N a r
q
w
e
r
t
y
u
i
o
!1
!0