Testing The Keypad - GE PM880 User Manual

Chapter 8. Maintenance and Troubleshooting

8.4 Testing the Keypad

If the menu is not active, press
1.
Use the arrow keys to scroll to Service and press
2.
Use the arrow keys to scroll to Test and press
3.
Use the arrow keys to scroll to Test Keys and press
4.
screen appears similar to Figure 64.
Press any key on the keypad. The corresponding box on the screen
5.
should darken.
Note:
If the box does not darken or if the key does not appear on the screen,
contact the factory.
Press and then
[F3]
6.
key does not appear on the screen, contact the factory.
136
[MENU]
Figure 64: Test Keys Window
to return to taking measurements. If any
[MENU]
Model PM880 Portable Hygrometer User's Manual
.
[ENTER]
[ENTER]
[ENTER]
.
.
. The