HIKVISION DS-9516NI-S-1TB User Manual page 10

Power Off
Standard Shutdown
Press and hold the POWER button for 3 seconds; the device will enter power off process, when power indicator turns
red, turn off the power switch on the back panel.
Other Methods of Shutdown
Shutdown with Power Switch
Please try to avoid shutting down the unit by turn off the power switch on the back panel (especially during recording).
Shutdown by Unplug Power Supply
Please try to avoid shutting down the unit by unplug power supply (especially during recording).
Note:
It is highly recommended that an Uninterruptible Power Supply (UPS) be used in conjunction with the unit.
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