HEIDENHAIN ND 287 User Manual - Manual (Page 87)

ND 287
87
II – 2 Installation Set
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Diagnostics
The DIAGNOSTICS submenu provides parameters for testing the
keypad, the LCD display, the connected encoders, the supply
voltages, and the function of the switching inputs/outputs (see Fig.
II.46):
 In the INSTALLATION SETUP menu, select DIAGNOSTICS.

Select the desired test. The tests are described in the following
sections.
Keypad test
An image of the keypad of the ND287 provides an indication when a
key is pressed and released.
 Press each hard and soft key to test. A dot will appear on each key
when it has been pressed indicating that it is operating properly.

Press the C hard key twice to exit the keypad test.
Display test
LCD display test:

To test the LCD display, press the ENTER key four times to set the
LCD display to black with white inside, white with black inside, red-
green-blue and back to normal.
Fig. II.46 Diagnostics menu
Fig. II.47 Keypad test
Fig. II.48 Display test