![background image](http://html1.mh-extra.com/html/icom/ic-f4022t/ic-f4022t_instruction-manual_4255794019.webp)
15
3
BASIC OPERATION
3
■
Emergency transmission
When [Emergency Single] or [Emergency Repeat] is pushed,
an emergency signal is automatically transmitted for the spec-
ified time period.
When [Emergency] is pushed, the DTMF emergency signal
is transmitted on the priority channel.
When [Emergency Single] or [Emergency Repeat] is pushed
for the specified time period, the DTMF emergency signal is
transmitted once or repeatedly on the emergency channel.
However, when no emergency channel is specified, the signal
is transmitted on the previously selected channel.
■
Scrambler function
The voice scrambler function provides private communication
between stations. The frequency inversion type is equipped
to all versions, moreover, the optional Rolling or Non-rolling
type can be available.
q
Push [Scrambler] to turn the scrambler function ON.
• “
” appears.
w
Push [Scrambler] again to turn the scrambler function
OFF.
• “
” disappears.
■
Stun function
When the specified ID, set as a killer ID, is received, the stun
function is activated.
When the killer ID is received, the transceiver switches to the
password required condition. Entering of the password via the
keypad is necessary to operate the transceiver again in this
case. (p. 10)
■
Priority A channel selection
When one of the following operations is performed, the trans-
ceiver selects the Priority A channel automatically.
Priority A is selected when;
• Clear down signal is received/transmitted
- Set the ‘Move to PrioA CH’ item as ‘Clear down.’
• Turning the power ON
The Priority A channel is selected each time the trans-
ceiver power is turned ON.
• Status call
The Priority A channel is selected when transmitting a sta-
tus call.