Campbell Scientific CR3000 Micrologger - Manual (Page 405)

Section 8. Operation
405
Table 110. Special Keyboard-Display Key Functions
Key Special Function
[2] and [8] Navigate up and down through the menu list one line at a time
[Enter] Selects the line or toggles the option of the line the cursor is on
[Esc] Back up one level in the menu
[Home] Move cursor to top of the list
[End] Move cursor to bottom of the list
[Pg Up] Move cursor up one screen
[Pg Dn] Move cursor down one screen
[BkSpc] Delete character to the left
[Shift] Change alpha character selected
[Num Lock] Change to numeric entry
[Del] Delete
[Ins] Insert/change graph setup
[Graph] Graph