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8.
Lock/unlock buttons
When the control panel is locked, icon light up, press for 3s to unlock, icon will
light off.
When the control panel is unlocked, icon light off, press for 3s to lock, icon will
light up.
Without any operation for 3 minutes, the buttons will lock automatically, icon will light up.
9.
Sleep and wake up of the screen
When the unit is switched off and there is no faulty on the system, without any press in 60s, the
screen will sleep.
Press any button or there is any faulty on the system, it will wake up.
10.
Speaker
When switch on the power, the speaker will make noise.
When short press button the speaker will make noise.
When there is faulty on the system the speaker will not make noise.
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