The battery -saving function is reduced when the signal is not received or the operation (no keys, no rotation switches) are reduced. In the standby state, when the intercom is free of receiving and receiving, and without key operations, it will automatically enter the sleep state after 10 seconds.......
Read MoreLimited time -time function This function is to prevent any call party from occupying too long channel time, and the timer restricts the launch time of the intercom each intercom, restricting user timeout launch. This function is used to limit users to launch on one channel, and at the same time, i......
Read More