3
BEFORE INSTALLATION
• Installation should be carried out only by qualified personnel and in accord-
ance with any electrical regulations enforced at the time.
• The DVR must be placed on a stable surface or mounted in an approved
cabinet.
• Adequate ventilation must be provided, take care not to block any of the air
vents on the DVR.
• Adequate protection against lightning strikes and power surges must be
installed to prevent damage to the DVR.
• If cleaning is necessary, shutdown the DVR and disconnect power first. Use a
soft dry cloth only. Never use any abrasive cleaners.
• Do not attempt to service or repair the DVR as opening or removing covers
may expose dangerous voltages or other hazards. Refer all servicing to qualified
service personnel.
