Hytera MT680 - Telephone Call; Emergency Call

9
Call
2. Rotate the knob to select a talk group you want to call.
The currently selected talk group will appear on the
display.
3. Press the knob again or press OK to conrm.
4. Hold down the PTT to transmit a group call.
Receiving and Responding to a Group Call
When a group call is received, you can listen to it without
any operation. When the other party stops talking, you can
hold down the PTT and speak into the microphone to call
back.
Telephone Call
Telephone call is available only when the terminal operates
in TMO mode and is set with appropriate Gateway No.
Please contact your network operator for more details.
Transmitting a Telephone Call
1. Input the number you want to call through the keypad,
and select “PABX” or “PSTN”.
2. Press to transmit a telephone call.
Available talk groups are preset by your dealer.
DMO mode supports up to 1024 talk groups, and
TMO mode supports up to 2048 talk groups.
Answering a Telephone Call
When a t elephone call is received, yo u can press
to answer the call. And both parties can speak
simultaneously without any operation. To reject or to hang
up a telephone call, press .
Emergency Call
Both D MO an d TM O suppo rt emerg ency cal l, and
operations are the same in both modes.
Long press the top Emergency key to transm it an
emergency call. To terminate the call, press .
In DMO mode, emergency calls are transmitted to the
default talk group. And in TMO mode, the target receiver is
programmable through the programming software.
Note: Please speak into the duplex microphone
when sending a duplex call, or the simplex
microphone when sending a simplex call.