Analog Channel Call; Initiate All Calls; One-Touch Call; Dtmf Call - Retevis RT72 User Manual

Dmr digital radio
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Press [PTT] key to answer, or if there is no voice activity for
a predetermined period of time, the call is terminated.
6) You will hear a short tone, the screen shows the call
ended.
Note: You can also initiate a Private Call via digital contacts
and manual dialing in your contacts, or make quick contact
access via a keyboard entry to find the desired target
radios.

10.3 Initiate All Calls

This feature lets you signal all users on the channel. The
radios must be programmed to allow you to use this
feature.
1) Channel mode Press [
using the activated all-call group alias or ID.
2) Hold the radios in its upright position and keep it at a
distance of 1 to 2 inches (2.5 to 5.0 cm) from the mouth.
3) Press [PTT] key to initiate a call, LED indicator light is
red. The screen displays the all-call group alias or ID, as
well as the all-call icon.
Note: Channel users cannot reply to all calls.

10.4 One-Touch Call

One-Touch calling features make it easy to group calls or
Private Calls to predefined aliases or IDs. This function can be
assigned to short programming or long programming keys.
You can assign only one alias or ID to a one-touch call key,
and the radios can have multiple programmed one-touch
call keys.
20
] / [
] to select the channel
1) Press preprogrammed one-touch call key to initiate a
group or Private Call to a predefined alias or ID.
2) Hold the radios in its upright position and keep it at a
distance of 1 to 2 inches (2.5 to 5.0 cm) from the mouth.
3) Press [PTT] key to initiate a call, LED indicator light is
red. The screen displays the talk group/user alias or ID, as
well as the group call /callout icon.
4) Release the [PTT] key to answer. When the target radio
replies, the LED indicator will light green.
5) If the "Channel Idle Tone" feature is enabled, when the
target radio releases the [PTT] key, you will hear a short
beep indicating that the channel is free for you to answer.
Press [PTT] key to answer, or if there is no voice activity
for a predetermined period of time, the call is terminated.
6) The radios return to the screen before receiving the call.

11. Analog Channel Call

On the analog channel, hold down the [PTT] key and speak
into the microphone, to transmit. Please release [PTT] key
to receive.

11.1 DTMF Call

1) Making a Call
• Under the analog channel, press and hold the [PTT] key
and Press keypad number key.
• Under analog channel, long press [ # ] key to switch to
manual dialing mode, enter the desired number, short press
[PTT] key to start DTMF call.
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