62
5.2 Maintenance
(1) Please brush printed circuit boards, connectors, fans, machine box and so on
regularly.
(2) Please keep the grounding well done to prevent the video or audio signal interfered
and the AHD DVR from static or inductive electricity.
(3) Do not pull out the video signal line or RS-232 port or RS-485 port with the
power on.
(4) Do not use the TV in the local video output port (VOUT) of AHD DVR. It will
damage the video output circuit easily.
(5) Do not turn off the switch directly. Please use the turn-off function in the menu or
press the turn-off button in the panel (3 seconds or longer) to protect the hard
disk.
(6) Please keep the AHD DVR away from heat resource.
(7)Please keep the AHD DVR ventilated for better heat radiator. Please check the
system and maintain regularly.
Summary of Contents for ET - 16AHD2
Page 69: ...66...