Operation Manual

SG550M-8mHD 4 Advanced Operations
Page 16
timer function is disabled. Changing
this parameter to a non-zero value
turns on the Time Lapse mode, and
camera will take photos at given time
interval.
Please note that if the PIR Trigger is
set to Off , then the Time Lapse can’t
be set to Off .
PIR
Trigger
This parameter defines the
sensitivity of the PIR. There are four
sensitivity parameters: High, Normal,
Low and Off. The default value is
“Normal”. The higher degree
indicates that the Camera is more
easily to be triggered by motion,
taking more pictures or recording
more videos. It is recommended to
use high sensitivity degree in room or
environment with little interference,
and to use lower sensitivity for
outdoor or environment with lots of
interference like hot wind, smoke,
near window etc. Furthermore, the
sensitivity of the PIR is strongly
related to the temperature. Higher
temperature leads to lower
sensitivity. Therefore it is suggested