HOTRC HT-5A remote control locking function and automatic shutdown function explained

The locking function and automatic shutdown function of the HT-5A remote control.
Locking function: In order to prevent novices from misoperation, this remote control can lock the trim keys, mixing keys, rudder volume setting keys, and advance
Row lock function.
Automatic shutdown function: In order to prevent forgetting to turn off the power, the remote control will automatically shut down after 15 minutes if there is no operation.
There will be a sound prompt 1 minute before shutting down.