Revo R4-8-16DVR3 - Manual (Page 12)

User’s Manual
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CAUTION: Ensure the DVR is not near any heat source that could cause overheating.
CAUTION: The 4- and 8-channel DVRs do not have an internal fan so leave a clearance of at
least 6 inches near ventilation hole areas on each side panel of the unit for proper ventilation.
FRONT PANEL CONTROLS
HDD LED Power LED Alarm LED USB Port
NOTE: The infrared sensor on the DVR is just to the left of the HDD LED. Make certain that nothing blocks the
sensor, or the remote control will not function properly.
NOTE: When you use wireless communication devices (such as Wi-Fi or Bluetooth) near the DVR, the remote
control might not function properly.
HDD LED
The HDD LED flickers when the DVR is recording or searching video on the hard disk drive.
Power LED
The power LED is lit when the unit is On.
Alarm LED
The Alarm LED is lit when alarm output or internal buzzer is activated.
USB Port
Connect the supplied USB mouse to one of the ports. The USB mouse will be used to access many of the DVR’s functions.
A USB flash drive can be connected for backup or system upgrades.