Servicing the PT878GC 9-37
April 2004
Testing the Keys
The Test Keys option checks the functioning of the variou s keys
on the keypad. To start the test, scroll to the Test Keys option on
the Test Menu and press [ENTER]. The screen appea rs similar to
Figure 9-22 below. Press any key on the keypad, and a window
representing that key should darken.
Figure 9-22: The Test Keys Window
Pressing the [F3] key returns the meter to the Operate Mode. If
any key does not appear on the screen or does not darken when
pressed, contact GE Panametrics.
Note: The power key does not appear in this test.