Bosch BE 300 LSN User Manual page 5

Display/Keys
Explanation of keys
Use this key to call up the menu.
0
Menu
This key has no function at present.
*
Use this key to page down.
Use this key to page up.
The paging keys can be used to move the cursor
to the left or right.
The keys can also be used to scroll up and down
through messages on the display, and through
menus to show them on the display.
Press any key to turn off the buzzer.
Use this key to go back one step or terminate a
function without completing it.
Escape
Use this key to confirm an entry, eg after entry of
the user code.
OK
Use the keys 0 through 9 to enter digits, eg a user
0
code.
Menu
9
Code
5