Icom IC-F1020 Instruction Manual page 7

TALK AROUND KEY
Turns the talk around function ON and OFF.
T A
• The talk around function equalizes the transmit frequency
to the receive frequency for mobile-to-mobile communica-
tion.
EMERGENCY KEY
Push and hold the key to transmit an emergency call.
EMER
• An emergency call is transmitted for a specified period
after the " " appears.
• If you want to cancel the emergency call, push (or push
and hold) the key again before transmitting the call.
• 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
Push this key to select a DTMF channel.
DTMF
• Push this key, then select the desired DTMF channel
using the [ ] or [
CH UP
Push and hold this key to transmit the selected
DTMF code.
NOTE: DTMF channels 6 and 7 are used for ID code and
emergency code respectively, depending on your system.
Ask your system operator or Dealer about DTMF channels
6 and 7 before using these DTMF.
] key.
CH DN
PANEL DESCRIPTION
PUBLIC ADDRESS KEY
When an optional OPC-617
P A
the audio output via the cable can be controlled from
the transceiver separately from the [
• This audio output can be used as a 'public address' func-
tion when an external audio amplifier and speaker are
connected additionally.
• Push this key, then speak into the microphone while push-
ing the PTT switch.
• The [ ] and [
CH UP CH DN
output level, from " " (minimum) to "
EXTERNAL SPEAKER SWITCH
When external connections are made for the 'public
S P
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.
• This function is useful when you are out of the vehicle.
• The audio output level is linked to the transceiver's volume
control.
1
is installed,
ACC CABLE
] control.
VOLUME
] keys allow you to set the audio
" (maximum).
4