How to set work alone function of retevis RT40？

Retevis RT40, retevis first pmr446 dmr radio, suitable for Mines, logging, warehouse management and logistics systems, etc.

When working in a mine, working alone is a very important feature. Setting the time to work alone allows you to monitor the situation of your partner below the mine for a certain period of time.

1. setting Channel

Work alone: set the current channel work alone function on or off, when checked, the channel open work alone function, unchecked is off. This function can also be set by the side key "work alone".

2. Work alone response time:

If the walkie-talkie does not have any active operation during the time of independent work and response, it will initiate an alarm or prompt tone;

3. Reminder time for working alone:

It is valid when the working mode is DMR alarm mode. When working alone and responding, the machine will give an early warning. If there is no active operation within this time, the machine will send out an alarm code;

4. Working mode

① Alarm:
When the working mode is set to alarm, when working alone and responding, the intercom will send out the alarm code in the form of DMR alarm. The specific setting and implementation method are consistent with the emergency alarm function;

② Prompt sound:
When the working mode is set to beep, when working alone and responding, the machine will make an alarm sound;

Turn on the machine working alone, every other working alone response time (depending on the time you set), if not launch are alarmed. Unless after the countdown less than the set time before then launch, then launch and then start timing again after the separate work response time.