User's Manual

DP770 Instruction Manual 26/27
If your radio sets as Silent with voice, there is no sound or sign in Emergency alarm mode,
Hot MIC Duration or in receiving the calls from other radio, unless you press the PTT key to
make a call or answer the call.
(6) Exiting an emergency alarm
Your radio will exit the emergency alarm mode in the following conditions:
a) In emergency alarm mode only, and receive the response;
b) Emergency alarm retry time is over, and no response is received;
c) The programmed Emergency key is long pressed.
 Menu
1) Contacts
Contacts provides “address-book” capabilities on your radio. Each entry corresponds to an
alias or ID that you use to make a call and the call type (group call, private call or all call).
In digital mode, contacts can store at most 512 groups. You can add, delete or edit these records.
(1) Make a group call from Contacts
The steps are as follows:
a) Press
key to enter the menu;
b) Press
, or rotate the knob to select “ Contacts”, and press to select;
c) Press
, or rotate the knob to select “Contacts List”, and press to select. Then
press
, or rotate the knob to select the target group call contact, and press to
select.
d) Keep your mouth 3~6 inches away from the microphone.
e) Press the PTT key to make a call, and the RED LED indicator lights on. The caller’s alias/ID
and the call type icon
displays on the LCD.
f) Wait the Talk Permit Tone to finish (if enabled*) and speak to the MIC.
g) Release the PTT key to receive. If any of the group member answer the call, the GREEN LED
indicator lights on, the group type icon, alias or ID display on the LCD.
If the Channel Free Indication feature is enabled, you can hear a short alert tone when release
the target radio’s PTT key, (the alert tone indicates that the channel is idle) which means that the
channel is idle and you can answer the call. Press the PTT key to answer the call or the call ends
after the preset time (call hang time) is over, “Call End” displays on the LCD screen.