CCTV Camera Pros Viewtron Video Surveillance DVRs - HD-SDI and Standard Definition CCTV Recorders - Manual (Page 6)

6
Before Starting
This user manual provides Information for using the Viewtron surveillance DVRs. Topics include
introduction, part names, functions, connection to other equipment, menu setup, etc. Users have
to keep in mind the following notices.
 Manufacturer retains the copyright on this manual.
 This manual cannot be copied without Manufacturer's prior written approval.
 We are not liable for any or all losses to the product incurred by your use of non-standard
product or violation of instructions mentioned in this manual.
 Prior to opening the case, please consult a qualified technician first.
 Before installing an additional hard drive or connecting an external storage device (USB
memory or USB HDD) to this DVR, check the compatibility. Consult your distributor or
installer for the compatibility list.
[Warning]
 Replacement Battery or Hard Disk
It is essential that when changing the battery or HDD in the unit, the replacement must be of the
same type or recommended ones, otherwise there may be a possibility of damage or explosion.
 System Shutdown
Turning off the power while the product is in operation, or undertaking improper actions may
cause damage or malfunction to the hard drive or the product. Please turn off the power using
the Power button on the front of your DVR. After selecting <OK> in the pop-up menu, you can
pull off the power cord. You may want to install a UPS system for safe operation in order to
prevent damage caused by an unexpected power stoppage. (Any questions concerning UPS,
consult your UPS retailer.)
 Operation Temperature
The guaranteed operating temperature range of this product is 0°C ~ 40°C (32°F ~ 104°F).This
product may not work properly if you run right after a long period of storage at a temperature
below the guaranteed one. Prior to using a device that has been stored for a long period in low
temperatures, allow the product to stand at room temperature for a period. Especially for the
built-in HDD in the product, its guaranteed temperature range is 5°C ~ 55°C (41°F ~ 131°F).
Likewise, the hard drive may not work at a temperature below the guaranteed one.