Icom IC-F1020 Instruction Manual page 7

TALK AROUND KEY
I
T A
I
Turns the talk around function ON and OFF.
o
The talk around function equalizes the transmit frequency
to the receive frequency for mobile-to-mobile communica-
tion.
EMERGENCY KEY
I
EMER
I
Push and hold the key to transmit an emergency call.
o
An emergency call is transmitted for a specified period
after the" - " appears.
o
If you want to cancel the emergency call, push (or push
and hold) the key again before transmitting the call.
o
The emergency call is transmitted one time only or re-
peatedly until receiving a control code depending on the
pre-setting.
DTMF CHANNEL SELECT KEY
I
DTMF
I
Push this key to select a DTMF channel.
o
Push this key, then select the desired DTMF channel
using the
[CH UP]
or
[CH ON]
key.
Push and hold this key to transmit the selected
DTMF code.
~ NOTE: DTMF channels 5 and 7 are used for 10 code and
~
emergency code respectively, depending on your system.
~
Ask your system operator or Dealer about DTMF channels
~
5 and 7 before using these DTMF.
PANEL DESCRIPTION
1
PUBLIC ADDRESS KEY
I
P A
I
When an optional Ope-517
ACC CABLE
is installed,
the audio output via the cable can be controlled from
the transceiver separately from the
[VOLUME]
control.
o
This audio output can be used as a 'public address' func-
tion when an external audio amplifier and speaker are
connected additionally.
o
Push this key, then speak into the microphone while push-
ing the PTT switch.
o
The
[CH
up] and
[CH ON]
keys allow you to set the audio
output level, from ", "(minimum) to "
1' 1 "
(maximum).
PFl--I~
EXTERNAL SPEAKER SWITCH
I
s
P
I
When external connections are made for the 'public
address' function, the external speaker drive function
is also available simultaneously. The received audio
can be heard via the external speaker when this key
is pushed.
o
This function is useful when you are out of the vehicle.
o
The audio output level is linked to the transceiver's volume
control.
4