This function prevents users from occupying the channel for too long. If the continuous transmission time exceeds the programmed time, the radio will stop transmitting and sound a warning tone. It takes a while to launch. A pre-alarm prompt is given before the timeout is set, telling you that the launch is about to be banned.
By searching for a channel with a signal, when there is a signal on the channel being scanned, the intercom will stop on the channel for a call.
Remote kill, activate
By programming this function, you can receive and decode the remote and active signals sent by other radios and respond accordingly. After being remotely tuned, it can only receive the activation signal and cannot send and receive any other signals. After being activated, the radio resumes normal function.
When an emergency situation occurs, you can press the “Emergency Alarm On” shortcut to call for help. The alarm method consists of the following two parts: The type of alarm is mainly used to specify the sound and light response of the unit during the alarm. Alarm mode: It is mainly used to specify the content sent to other members when an alarm occurs. The parameters can be programmed to suit the needs.
Personal call / Group call / All call
To initiate a call, in standby mode, press and hold PTT to initiate a call to a preset caller on the current digital channel. Once you receive the call, you can answer it without any action. You can also press and hold the PTT button to call back, and the contact corresponding to the digital channel must be added to the contact member to receive the corresponding call.
Color code encryption
The unique features of the digital channel ensure that calls are not heard by third parties. Both parties need to have the same color code to talk, this machine mentions For 64 color codes. ET-D446 has a special voice encryption method. The setting can be done by voice encryption in the writing frequency software.