User Manual

Live Preview Introduction
NVR User Manual
45
The introductions of these parameters and buttons are as follows:
Button/Parameter
Meaning
Click / to zoom in/out the image.
Focus Mode
If manual mode is selected, focus button & “One Key Focus” & “Day/night
mode switch autofocus” will be available; if auto mode is selected, the time
interval setup will be available.
Click / to increase/decrease the focal length.
Click it to focus instantly.
Day/night mode
switch autofocus
If checked, the lens will focus automatically when the camera is switching
day/night mode.
Time Interval
It is the time interval when camera lens is auto-focusing. The interval can
be set in the drop-down list.
Note: This function is only available for the models with auto varifocal lens, or the settings here
are ineffective.