Toshiba B-EX Series Key Operation Specification page 45

Cursor position when shifting from upper-level menu to its sub menu
When shifting from upper-level menu to its sub menu, the cursor is positioned at the topmost item
except for the RFID setting menu (because the RFID menu items show the setting value).
Cursor position when shifting from upper-level menu to its subordinate value setting screen
When shifting from upper-level menu to its subordinate value setting screen, the cursor is positioned at
the currently selected item.
Cursor position when shifting from sub menu or value setting screen to its upper-level menu
When shifting from sub menu or value setting screen to its upper-level menu, the cursor is positioned at
the previously selected item.
When the [MODE] key is pressed while the main menu is displayed:
When the [MODE] key is pressed while the main menu of the system mode or user system mode, the
cursor is positioned at the topmost item.
When the [CANCEL] key is pressed while the main menu is displayed:
When the [CANCEL] key is pressed while the main menu of the system mode or user system mode, the
cursor does not move from the current position.
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