DTMF transmission
▒
• Auto TX function
4-1-6
Analog Mode Operation
DTMF transmission
If the transceiver has [DTMF Autodial] assigned to it,
the automatic DTMF Transmission function can be
used. Up to 8 DTMF channels are selectable.
1
Push [DTMF Autodial]— a DTMF channel appears.
2
Push [CH Up] or [CH Down], or rotate [CH
U /D
] t l t th d i d DTMF h
l
▒
The transceiver automatically transmits the
▒
microphone audio for the specified time period*
▒
after the emergency call transmission.
▒
• Auto RX function
▒
The transceiver stands by in the audible mode for
▒
the specified time period*, after the emergency
▒
call transmission.
▒
*Depending on the pre-set value.
Up/Down] to select the desired DTMF channel.
3
Push [DTMF Autodial] to transmit the DTMF code.
Scrambler function
The Voice Scrambler function provides private voice
communication between users.
1
Push [Scrambler] or [Scrambler/Encryption] to turn
▒
Depending
on
the
pre set value.
■
Man Down Emergency Call
(Handheld models only)
This function requires the optional UT-124R Man
Down Unit. When the transceiver has been left in a
horizontal position for the specified time period*, the
1
Push [Scrambler] or [Scrambler/Encryption] to turn
the Voice Scrambler function ON.
• “ ” on handheld models appears.
(Simple and 10-key models only)
2
Push [Scrambler] or [Scrambler/Encryption] again
to turn the function OFF.
• “ ” on handheld models disappears.
(Simple and 10-key models only)
transceiver enters the emergency mode, and then
the countdown starts. After the specified time
period* has passed, an emergency call is
automatically transmitted once, or repeatedly.
If the transceiver is placed in a vertical position
before the first transmission, the transceiver exits
the emergency mode and the emergency call is
ll d
■
Emergency transmission
When [Emergency] is pushed for the specified time
period*, the DTMF emergency signal is transmitted
once, or repeatedly, on the specified emergency
channel. * Depending on the pre-set value.
A repeat emergency signal is automatically
cancelled.
■
Lone Worker Emergency Call
When the Lone Worker function is activated, and the
specified time period* has passed with no operation
performed, the transceiver enters the emergency
mode, and then the countdown starts.
Af
h
ifi d i
i d* h
d
A repeat emergency signal is automatically
transmitted until the transceiver receives the
acknowledgement signal or turning the transceiver
power OFF.
When no emergency channel is specified, the signal
is transmitted on the previously selected channel.
If you want to cancel the emergency call, push and
After the specified time period* has passed, an
emergency call is automatically transmitted once, or
repeatedly. If someone operates the transceiver
before transmission, the transceiver exits the
emergency mode, and the emergency
call is cancelled.
➥
Push [Lone Worker] to toggle the Lone Worker
function ON or OFF
hold [Emergency] again.
If your transceiver is programmed for Silent
operation, you can transmit Emergency calls without
the beep sounding or the LCD display lighting.
▒
IMPORTANT: It is recommended to set an
▒
emergency channel individually to provide the
▒
dedicated emergency call operation.
function ON or OFF.
▒
*
Depending on the pre-set values.
36
▒
NOTES
▒
Depending on the pre-set value, the following
▒
functions are automatically activated.
