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User's Manual
2.1
Position the Unit
Position / mount the DVR-4TL series 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.
2.2
Selecting Video Format
The DVR-4TL series 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 important notices that should be read before
making any connections to the DVR-4TL series.
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.
NOTE: Be sure not to remove the rubber feet, and always leave
a space for air ventilation on the unit's bottom side.
NOTE: Connect short-term devices, such as USB ThumbDrive
USB CD-ROM, USB Hard Disk Drive, etc., only after the unit is
successfully powered up.
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