Icom IC-450, Instruction Manual

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18
4
SET MODE
D Power Timer
This function turns OFF the transceiver when this set period
of time has passed without a key operation.
Set the desired time to turn OFF the transceiver to between
0.5 and 4.0 hours, or OFF.
(Default: OFF)
D Internal SP
The internal speaker function is set, if audio is heard from
the HM-212 or an external speaker (if connected.)
(Default: ON)
ON: The audio from the HM-212 is heard, even when an
external speaker is connected.
Auto: The audio from the HM-212 is muted, and then
“ ” appears on the function display.
( The audio comes from the HM-212 when the external
speaker is not connected.)
D Voice Guidance
This function announces the channel type and number when
you select a channel. Turn the function ON or OFF.
(Default: ON)
D Signal Indication
The signal indication changes the transceiver’s display when
a Selcall code or roger beep is transmitted. “Roger Beep”
is displayed while transmitting a roger beep, and “Selcall” is
displayed while transmitting a Selcall code. (Default: OFF)
D PTT Hold
You can use the PTT switch as a one-touch PTT switch
(each push toggles between transmit and receive). You
can transmit without holding down the PTT switch using
this function. The transmission automatically stops after 3
minutes.
(Default: OFF)
D Contrast
You can adjust the display contrast level between 0 (the
lowest) and 7 (the highest).
(Default: 5)
Displayed when a Selcall
code is transmitted.