Apple Newton Backup Utility (for Macintosh) - Manual (Page 35)

I can’t install a package.
m You may not have enough free storage space on your storage card or Newton
PDA. Try deleting packages you don’t need.
m Contact the software publisher to make sure the package is compatible with the
Newton 2.0 operating system.
A package I installed on my Newton PDA takes up less memory than on my computer.
m Some packages are compressed when you install them on your Newton PDA. The
package will work properly.
I can’t establish a serial connection from my PowerBook or PowerBook Duo.
m Choose the Chooser from the Apple (K) menu and make sure AppleTalk is
inactive.
m Open the PowerBook Setup control panel and make sure Modem is set to
Normal.
31 Troubleshooting