Icom IC-440 - SPECIFICATIONS AND OPTIONS; Technical Specifications

45
9
SET MODE
9
D PTT Hold function
The PTT switch can be operated as a one-touch PTT switch
(each push toggles between transmit/receive). Using this
function you can transmit without pushing and holding the
PTT switch.
To prevent accidental, continuous transmission with this
function, the time-out timer function is automatically set to
the transceiver. See p. 38 for details.
D Internal speaker setting
This function sets if audio is emitted from the HM-182 or an
external speaker (if connected).
ON
(ON) : The audio from the HM-182 sounds even when
an external speaker is connected.
At (AUTO) : The audio from the HM-182 is muted then
[
] appears on the function display. (The audio
comes from the HM-182 when the external
speaker is not connected).
PTT hold OFF (default) PTT hold ON
Internal speaker ON (default) Internal speaker Auto
IC-440-1.indd45IC-440-1.indd45 2008/06/2515:59:452008/06/2515:59:45