User's Manual

9
Receiving an All Call
Receiving an All Call without any operation.
All Call is the highest priority, it can interrupt Group Call, Private Call, Duplex Call that makes it
possible to interrupt lower priority communication so critical instructions can be delivered
exactly when theyre needed.
Note: The transmitting time limit is 30 seconds. If it time out, the call will automatically end.
Functions and Operations
Address Book
Click Menu >>Address Book
The contact list is preset on the server. It includes Group Call, Individual Call, All Call.
Select a contact then Press PTT to make a call.
Call History
Click Menu >>Call History
This is to check the call history, It includes the contact name, time.
1. Answered Calls
2. Called Calls