When an EVI-D30/D31/G20/G21 is connected to a
serial port on the video network station, camera pan,
tilt and zoom can be controlled from the Web page.
The monitor screen must be set to the Single mode
Camera View: click one of the [CAM1] to [CAM4]
buttons, if necessary, to change to the Single mode
1 Image Size Selection Icons
icon switches the image size
between [Fullsize] and [Hugesize].
2 Tilt Control Bar
Controls tilt (up/down movement) of the video camera.
3 Pan Control Bar
Controls pan (left/right movement) of the video
4 Zoom Control Bar
Controls zooming of the video camera.
5 [HOME] Button
Returns the video camera to the home position.
Camera View. The Pan/Tilt/Zoom control bars are
displayed around the video source image in the Single
The Pan/Tilt/Zoom functions described here are not
available if disabled by the system administrator.
Pan/Tilt/Zoom Control Operation
Video camera pan, tilt and zoom can be controlled by
the following methods.
Clicking a triangle at the top, bottom, left or right of
the Pan or Tilt control bar causes the video camera to
move by a single step, equal to about five degrees of
Clicking a position on the Pan/Tilt/Zoom control bar
causes the video camera to be repositioned in a
corresponding manner. In the case of zooming, the
video camera zooms as directed.
Clicking at a point in an image causes the video
camera to pan and tilt (so the clicked point becomes
the center of the image).