Juniper Allegro CE Owner's Manual page 152

At the bottom of the dialog box under Connect using, you see which
communication port the Allegro is set to for the connection
process. Check the box next to the Connect to desktop when attached
option if it is not already checked. If the USB port is not listed in
the bottom dialog box under Connect using, tap the Change button.
3) Tap on the USB MultiSync button. The following screen appears:
You can now choose the MultiSync settings you want to be active
while using the USB/Power Dock. Tap on the OK button when
you have made your settings selection. For a full explanation see
the USB MultiSync Functions section of this chapter.
4) Tap on the OK option on the Communications Properties PC
Connection tab screen. Tapping on OK activates all the selections
you have made.
USB MultiSync Functions
MultiSync has four selectable features. Access the MultiSync options
screen by tapping on Start|Settings|Control Panel and double-tapping
on the Communications icon. Tap on the PC Connection tab. Tap on the
MultiSync button, the following screen appears:
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