Scrambler Function; Emergency Transmission; Stun Function; Priority A Channel Selection - Icom IC-F6121D Instruction Manual

Vhf//uhf mobile transceivers
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2
BASIC OPERATION
■ Encryption function
The encryption function provides private communication be-
tween stations while operating in the digital mode.
q Push [Encryption] to turn the encryption function ON.
• "
" (Encryption icon) appears.
w Push [Encryption] again to turn the encryption function
OFF.
• "
" disappears.

■ Emergency transmission

The emergency call can be performed using [Emergency].
(p. 5)
When [Emergency] is pushed for the specified time period,
the DTMF or 5-tone emergency signal is transmitted once
or repeatedly on the emergency channel depending on the
channel. However, when no emergency channel is specified,
the signal is transmitted on the previously selected channel.
If you want to cancel the emergency call, hold down the key
again before transmitting the call.
Emergency call is also available with the MDC 1200 signaling
system. (p. 13)
12

■ Stun function

When the specified ID, set as a stun ID or kill ID, is received,
the stun function is activated.
When the stun ID is received, the transceiver becomes unus-
able. Entering of the password (p. 8) or receiving a specified
ID, set as a revive ID, is necessary to operate the transceiver
again in this case.
When the kill ID is received, the transceiver switches to the
cloning required condition. Cloning the transceiver is neces-
sary to operate the transceiver again in this case.
Stun function is also available with the MDC 1200 signaling
system. (p. 13)
■ .riority A channel selection
When one of the following operations is performed, the trans-
ceiver selects the Priority A channel automatically.
• Turning the power ON
The Priority A channel is selected each time the trans-
ceiver power is turned ON.
• Off hook.
The Priority A channel is selected when the microphone
is took off from its hanger.

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