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35
AXIS 241Q/241S - Pan Tilt Zoom
The controls shown depend on the model of the PTZ device. The most common controls
are:
• the Pan bar - moves the camera to the ri
ght and left
• the Tilt bar - tips the camera up and down
• the Zoom bar - zooms the view in and out. Note that this is only available if the
camera is fitted with a zoom lens
• the Iris bar - adjusts the brightness of the image
Clicking on the bars themselves or on the arrows
at the end of the bars moves the camera
to a new position. The type of movement and the location of this new position depends on
the type of PTZ driver.
When controlling the camera using a relative
PTZ driver (see the bars in the illustration
above) the new position is relative to the previous position, for example, left of, below, or
above. Clicking the bar further from the center results in a larger movement.
In contrast, when using an abs
olute driver, each
position on the bar (see right) represents a defined
position in the device’s range of movement, with the center of the bar representing the
point midway between the two extremes of movement.
Clicking a position directly on th
e bar moves the camera directly to the new position in
one smooth movement. Clicking on the arrows at the ends of a bar causes an incremental
change.
Video sources
Tilt bar (relative)