Pound Sign (#) Shows Accessible Menus - IBM TS3100 Setup, Operator, And Service Manual

Figure 5-18. Pound sign (#) shows accessible menus when access PIN is enabled but before it is entered
Configure: Save/Restore
Use this menu item to restore the factory default settings.
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TS3100 Tape Library and TS3200 Tape Library Setup, Operator, and Service Guide
Note: In Figure 5-18, menus with the pound sign (#) are the only menus
accessible when the Access PIN is enabled, but entered incorrectly or
before it is entered. To gain access to all menus, disable the Access PIN
or enter the correct PIN number when requested.