LevelOne FCS-4041 User Manual page 21

Near/Far buttons.
 Near/Far buttons
Click on the <Manual> button, and users can adjust focus manually via
<Near> and <Far> buttons. The status will also be displayed above the
screen as shown below
Pan/Tilt Control
Users can implement pan/tilt control by first moving the cursor to the live video
pane; then left click and drag the pointer
Optical/Digital Zoom Control
In Normal View display mode, users can implement zoom in/out by first moving
the cursor to the live video pane and then rotating the mouse wheel. As in Full
Screen mode, users can directly rotate the mouse wheel to zoom in/out on the
image. Digital zoom is only available when the function is activated and which is
set in <Camera-Misc1> page under the <PTZ> tab; refer to the Section
Camera—Misc 1
range, it will automatically switch to digital zoom.
for details. When the camera reaches the limit of its optical
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in any direction.