Juniper Allegro CE Owner's Manual page 150

Connecting as a Guest
ActiveSync also allows you to connect as a guest and interact
between both computers without setting up a partnership. To connect
as a guest complete the following steps:
1) Select the No option on the Set Up a Partnership screen, and click on
the Next button. ActiveSync goes through the connection process.
When connected, the following screen appears:
2) Click on the Explore option on the Microsoft ActiveSync screen.
3) Begin viewing the contents of the Allegro.
Page 4-90 Windows CE