Juniper Allegro CE Owner's Manual page 115

Automatic Advance
Tapping on Automatic Advance advances images automatically after a
set amount of time. The set amount of time is defaulted at 30 seconds,
but is adjustable in the Set Up Show section.
Automatic Advance (Loop)
Tapping on Automatic Advance (Loop) advances images automatically
after a set amount of time, but continues back to the beginning and
does not stop until manually closed. The Automatic Advance options
are also manually advanceable. Tapping on the image being viewed
advances to the next image.
Set Up Show...
Selecting Set Up Show opens a Set Up Show screen. There is an image
box showing each image in the folder you are looking in, and all the
settings for each image.
The Set Up Show screen allows you to set up how images can be
sorted, rotated, zoomed, the amount of time an image is shown before
it advances to the next image, and the type of transition effect when
an image advances to the next. The following functions are available
in the Set Up Show screen:
Select All
Orientation
Effect
Zoom
Quality
Advance in
Windows CE Page 4-55