Casio PV-S460/PV-S660 - Manual (Page 136)

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Chapter 12 PV Applications
1. On the Mode Menu, tap Menu Bar to display the menu bar, and then
tap Option – Delete.
2. On the screen that appears, check the boxes next to the PV Applications
whose data you want to delete.
• The displayed data names are not necessarily identical to their PV
Applications. See the documentation of each PV Application for
information about the names of its data files.
• Each tap of a check box toggles it between being checked (delete data)
and unchecked (do not delete data).
• PV Applications that do not have any data do not appear in the list.
3. Tap Set.
4. In response to the confirmation message that appears, tap Yes to delete
the data associated with the PV Applications you checked.
Updating Your PV Unit Operating System
Installing certain PV Applications may require you to update your PV Unit
operating system at some time in the future. See the user documentation that
comes with PV Applications Manager for details about performing the OS update
operation.