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ADJUSTING THE CAMERA ZOOM
To adjust camera zoom using the mouse:
The following figure shows how to operate the mouse to zoom in and out. You can also use keyboard shortcuts to operate the lens features of
cameras such as Pelco’s Spectra III. For more information about using keyboard shortcuts, refer to Using PC Keyboard Shortcuts to Operate PTZ
and Lens Functions on page 45.
Figure 18. Mouse Wheel Zoom
Rotate the mouse wheel forward to zoom in and backward to zoom out.