2. OPERATIONAL DEVICES
Table2.2 Explanation of the MDI keyboard
Number Name Explanation
1 Power ON and OFF
Press theses buttons to turn CNC power ON and OFF.
2 RESET key Press this key to reset the CNC, to cancel an alarm, etc.
3 HELP key Press this button to use the help function when uncertain about the operation of
an MDI key (help function).
4 Soft keys The soft keys have various functions, according to the Applications. The soft key
functions are displayed at the bottom of the CRT screen.
5 Address and numeric keys Press these keys to input alphabetic, numeric, and other characters.
6 SHIFT key Some keys have two characters on their keytop. Pressing the <SHIFT> key
switches the characters. Special character Ê is displayed on the screen when a
character indicated at the bottom right corner on the keytop can be entered.
7 INPUT key When an address or a numerical key is pressed, the data is input to the buffer,
and it is displayed on the CRT screen. To copy the data in the key input buffer to
the offset register, etc., press the key. This key is equivalent to the [IN-
PUT] key of the soft keys, and either can be pressed to produce the same result.
8 Cancel key Press this key to delete the last character or symbol input to the key input buffer.
When the key input buffer displays
and the cancel key is pressed, Z is canceled and
9 Program edit keys Press these keys when editing the program.
10 Function keys Press theses keys to switch display screens for each function.
See lll – 2.3 for detailas of the function keys.