SecurityMan iCamDVR (early 2008 shipment) - Manual (Page 51)

Figure 81 - Zoom In
Figure 82 - Zoom out
Figure 80 - original Size
50 | SecurityMan
Image Zoom In / out
To zoom in and zoom out on an image requires playback
in single channel mode and the zoom icons will becomes
enabled or selectable as follow.
Select the Zoom In button to enable zoom in •
feature and then click on the channel display image
once to zoom in 1X, twice to zoom in 2X, and so on.
Select the Zoom Out button to enable zoom •
out feature and then click on the channel display im-
age once to zoom out to 1X, click twice to zoom out to
2X, and so on.
Click the Default Size to default image back to •
the original size.
For example: