HEIDENHAIN ND 2100G - Manual (Page 4)

4 Preface
Numeric keypad: Used to enter numeric data. Additionally, the
decimal point key and +/- key are used to adjust the contrast
of the LCD display.
Send key: Used to transmit measurement results to a computer,
USB printer or USB flash drive.
LCD On/Off key: Press the LCD on/off button to turn the LCD
display off without removing power from the ND 2100G. Press
the button a second time to restore the LCD display. Additionally,
the LCD On/Off key can be used to clear channel calibrations,
delete data stored for a single part or delete data stored for all
parts.
Panel function key Panel key
+/- 0
4
1
7
5 6
2 3
8 9