S9921A – Instruction Manual
1
Note
Please read this manual carefully before installing and using the machine
to ensure your interests.
Do not use the power that does not match the power adapter.
Make sure to connect the ground to avoid thunder damage to the main
chip before using the product.
Do not use the machine where it is likely to be exposed to rain or humid.
Do not install the machine in dusty places, and avoid mechanical vibration
and shock.
Keep the machine in a well-ventilated place and avoid direct sunlight and
high-temperature.
If possible, choose a dedicated DVR hard drive to meet a long time, a
large amount of data read and write.
Please buy a hard drive from the formal channels to ensure quality.
Disconnect the power of each device to avoid live-swappable before
connection with other devices.
if there are objects or liquid accidentally fall into the machine, immediately
disconnect the power supply, and ask qualified technicians test before
using it again.
If the machine is not used for a long time, please completely take off the
power and keep the power cord away from the power outlet.
This machine is a precision machine and the user cannot repair it. Please
contact qualified technical or distributors.
After you open the case, you should check:
In addition to check whether there are obvious signs of damage, please
check if the data line with front panel, power supply and the connection to the
motherboard is loose.
