Camera controls

The following control descriptions apply to drivers that support them.

Camera controls do not operate unless they are Enabled. Each of these controls must be enabled by selecting the option box for each control under the PTZ Support property on the camera property sheet. The default setting for these controls is Disabled (or, not selected).

Iris

The iris is the adjustable opening (aperture) of a camera that controls the amount of light that is allowed through the lens. This Iris control buttons are located in the top left corner of the view and allow you to manually adjust the opening:
- Increase
  
  This button increases the iris opening and causes the image to brighten.
- Decrease
  
  This button decreases the iris opening and causes the image to darken.
Presets

This option list is located along the top and in the center of the Video Playback view. The Presets option list contains preset options that are configured in the camera’s property sheet view (using the Preset Text property and the Enum dialog box. Presets are defined and actuated using the the following buttons:
- Go
  
  Click this button to activate the Preset that is currently displayed in the Presets option list.
  A Preset must have a location defined, using the Store button, before it can be activated, even though the option appears in the list.
- Store
  
  Click this button to associate the current camera position with this Preset option.
Focus

The Focus buttons allow you to manually “pull focus” in order to improve the sharpness and clarity or to change the focal target of the image. This button is located in the top right corner of the view and has two control buttons:
- Increase
  
  This button is moves the focus closer.
- Decrease
  
  This button moves the focus farther.
Pan and Tilt

Pan and Tilt controls are activated by clicking directly on the video display and dragging the hand icon in the desired direction. Pan and tilt speed and direction is variable and indicated by the blue pan and tilt arrow, shown in Video Playback view (Playback Viewer) and described in described in Video indicators.
Zoom

You can zoom in and out by clicking on the zoom icon that is located in the zoom bar on the right side of the view. Zoom-in by dragging the zoom icon up and zoom-out by dragging the zoom icon down. The speed of the zoom is controlled by how far up or down you move the icon and is indicated by the color changes in the zoom bar, shown in Video Playback view (Playback Viewer) and described in Video indicators.