How-To Guide

12
7. Call Services
After the radio is powered on, you can make and receive calls. To ensure optimal volume of the
receiving radio, keep the microphone about 2.5 to 5 centimeters away from your mouth when
transmitting.
 Private call: It is a voice call between individual user and another individual user.
 Group call: It is a voice call between one individual user and a predefined group of users. All parties
in the group can communicate with each other.
 All call: It is a one-way voice call from any user to all users on a channel.
7.1
Calling on Digital Channel
You can initiate a private call, group call or all call (programmed by your dealer) through the same
operations on digital channel.
Here we take the private call as example to illustrate the call process:
 Preset contact
1.
Radio A and Radio B select the same digital channel.
You may ask your dealer to preset a regular private call/group call/all call contact for each digital
channel.
2. Radio A holds down the PTT key to initiate a call.
3. By holding down the PTT key, Radio A can talk to the microphone when the LED indicator
glows red and the radio displays the icon
.
4. Radio B can receive the call without any operation. When receiving, the LED indicator glows
green and the radio displays the icon
.
Radio B can hold down the PTT key to talk when the LED indicator glows orange and the radio
displays the icon .
If Radio B does not respond it, the radio will display appropriate indications.