Receive Calls; Emergency Type; Emergency Alarm Function - Retevis RT72 User Manual

2) Receive Calls

When the host computer has configured DTMF as the
receiving signaling system of the current channel, when
decoding the code word is DTMF personal ID code, the
decoding is successful. During the resetting time, it can talk
to the other party. The reset time needs to be re-decoded.
11.2 PTT ID Call
In analog mode, you can program the radio to configure the
DTMF on-line code and off-line code; and enable the
up-down-line code on the analog channel. When enabled,
the code will be sent each time the [PTT] key is pressed,
and the code will be released when the [PTT] key is
released.

EMERGENCY ALARM FUNCTION

1. Emergency Alarm
In the event of an emergency, you can use this feature to
ask your fellow or control center for help. Emergency alarm
has the highest priority, you can alarm whether the radios is
transmitting or receiving.
Alarm initiator to exit the alarm mode, there are two cases:
•Turn off the radio to exit the whole machine alarm.
•Press pre-programmed [Emergency Off] shortcut key to
exit the alarm.
•In other ways, when exiting alarm mode, the alarm on the
current channel can only be temporarily exited. When
reselecting the channel, the alarm will continue.
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2. Emergency Type

The radio prompts in different modes for different Emergen-
cy types, as shown in the following table.
Emergency Type Description
Disable Turn off alarm function (alarm disabled),
Only whistle The terminal emits a sharp alarm tone and the
control center does not receive an alarm signal.
When alarms, the radio gives an audible and
Conventional
visual prompt.
After sending an emergency alert signal to the
Alarm whistle control center, a local alarm tone is sounded. In
the alarm state, there are indications of sound
and visualization.
When alarms, the radio will not give any audible
Silent or visual prompt. At the same time, no sound is
made on any received audio.
When alarms, the radio will not give any audible
Silence with
or visual prompt. However, the radio sounds
voice
when you press and hold the PTT button to
initiate a call or respond to a call.
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