Icom IC-F510 Instruction Manual page 8

1
PANEL DESCRIPTION
[MONI (Audi)]
MONITOR KEY
Activates one of (or two of) the following functions on
each channel independently:
• Push and hold to un-mute the channel (audio is emitted;
'Audible' condition).
• Push to toggle the mute and un-mute conditions
'Audible' and 'Inaudible')
• Push to mute the channel
• Push to un-mute the channel
• Push after the communication is finished to send a 'reset
code'.
NOTE: The un-mute condition
may automatically return to the mute condition
audible' condition)
[TONE] C. TONE CHANNEL ENTER KEY
Push this key then input a continuous tone memory
channel number using [CH UP]/[CH DN] keys to
change the tone frequency.
[PA] PUBLIC ADDRESS KEY
When an optional OPC-617
audio output via the cable can be controlled from the
transceiver separately from the [VOLUME] control.
• 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
pushing the PTT switch.
• The [CH UP]/[CH DN] keys allow you to set the audio
output level from minimum to maximum.
5
(toggles
.
(sets to 'Inaudible' only) .
(sets to 'Audible' only) .
('Audible' condition)
after a specified period.
is installed, the
ACC CABLE
[W/N] WIDE/NARROW KEY
Push [W/N] to toggle the IF passband width between
wide or narrow.
[RX SP] EXTERNAL SPEAKER KEY
When external connections are made for the 'public ad-
dress' 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 vol-
ume control.
('In- [CALL], [CALL A (Code 30)], [CALL B (Code 29)]
CALL KEYS
Transmit a 5-tone/BIIS code.
• Call transmission is necessary before you call another
station depending on your signalling system.
• The [CALL A] and/or [CALL B] keys may be available
when your system employs selective 'Individual/Group'
calls. Ask your Dealer which call is assigned to each key.
[LOCK] LOCK KEY
Electronically locks all programmable keys except the
following:
• [CALL] (incl. [CALL A] and [CALL B]), [MONI] and
[EMER] keys.
[DTMF Autodial]
DTMF AUTODIAL KEY
Push to select the DTMF channel.
Push for 1 sec. to transmit the selected DTMF code.