Apple Newton Connection Utilities (for Macintosh) - Manual (Page 14)

Setting a connection password
If you like, you can set a connection password for the Newton Connection
Utilities. This password prevents others from using the Newton Connection
Utilities without your permission.
The password you set works for serial or AppleTalk connections.
To set a connection password, follow these steps:
1 Open the Newton Connection Utilities and choose Preferences from the
Edit menu.
2 Click Set Password in the Preferences dialog box.
A dialog box appears.
3 Type the new password. Then retype the password to verify what you’ve entered.
4 Click OK.
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