KOCASO NB1016 - Manual (Page 8)

Long time no using device or short press power button, the device will access to standby
state. There are two states: first is deep sleeping standby, the device’s screen is turned off,
then need to press power button to enter standby screen, for example the above picture, press
the red unlock
Switch it will display the point A\B as above picture, press A point for camera
using ,press B for unlocking ,it show as B condition ,press unlock button to B will realize
unlocking function ,press unlock button to A to use Camera function .
9 Program
Recorder Record outside sounds