ARM Electronics DVRCD120 - Manual (Page 10)

User’s Manual
9
2.1 Position the Unit
Firstly, note to position / mount the Full-featured MPEG-4 DVR in a proper
place and be sure to power off the unit before making any connections. The
placed location should avoid hindering or blocking the unit from airflow.
Enough airflow is needed to protect the unit from overheating. The maximum
allowable temperature of operating environment is 40°C.
The unit utilizes heat-conducting techniques to transfer internal heat to the
case, especially to the bottom side of the unit.
NOTE: Be sure not to remove the rubber feet, and always leave a
space for air ventilation on the unit’s bottom side.
2.2 Selecting Video Format
The Full-featured MPEG-4 DVR is designed to operate under either NTSC or
PAL video formats. The switch is positioned on the rear panel.
2.3 Connecting Devices to the Unit
This section lists some notices that should be given before making any
connections to the Full-featured MPEG 4 DVR.
NOTE: Connect short-term devices, such as USB ThumbDrive
®
, USB
CD-RW, USB Hard Disk Drive, etc., only after the unit is successfully
powered up.
Connecting Required Devices
Before power up the unit, you should connect cameras and a main monitor to
the unit for basic operation. If needed, connect a call monitor for displaying full
screen video of all installed cameras in sequence.