Zhejiang NVR300 Series, Быстрое руководство

Страница: 3 / 57

chassis, contact the local agent of our company for help. Otherwise,
we shall not be held liable for any consequence caused thereby.

Make sure the device is sturdy and well grounded and meets heat
dissipation and lightning protection requirements. Avoid vibration
when using the device.

Provide a stable and compliant power supply before powering on
the device.

Before performing the verification (refer to section “Check Before
Power-On”), make sure that the power is disconnected, for fear of
bodily injury or equipment damage caused by incorrect cable
connection.

Power interruption may cause hard disk damage or abnormal
functions. To shut down the device, strictly follow the instructions.
If power interruption often occurs, configure an uninterrupted
power supply (UPS).
Safety and Compliance Information
Conventions Used Symbol
The symbols in this chapter are shown in the following table. They are
used to remind the reader of the safety precautions during equipment
installation and maintenance.
Safety
Symbol
Description
Generic alarm symbol: To suggest a general safety concern.
ESD protection symbol: To suggest electrostatic-sensitive
equipment.
Electric shock symbol: To suggest a danger of high voltage.