Juniper Allegro CE Owner's Manual page 114

Zoom
Tapping on Zoom opens a pop-up window with the following
options for zooming the image:
200%
150%
125%
100%
75%
50%
25%
Fit to width
Fit to window
Next
Tapping on Next advances forward from the current image to the next
image.
Previous
Tapping on Previous advanced backward from current image to the
previous image.
Close
Tapping on Close closes the full-sized image and returns to the Image
Viewer.
Slide Show
The Image Viewer gives the option of putting images together in to a
slide show. The Slide Show options are designed for creating and
viewing slide shows on the Allegro. The following functions are
available by tapping on the Slide Show option:
View Show
Set Up Show...
Hide Image
View Show
The View Show function is used to set up the way you want your
images to advance in a slide show. Those three options are:
Manual Advance
Automatic Advance
Automatic Advance (Loop)
Manual Advance
Tapping on Manual Advance advances images manually by tapping
on the image.
Page 4-54 Windows CE