Performance Tests and Calibration 7
Agilent U1251A/U1252A User’s and Service Guide 125
Basic Operating Test
The Basic Operating Test is to test the basic operability of
the instrument. Repair is required if the instrument fails the
Basic Operating Test.
Backlit Test
Press the BAT button to test the backlight. It will
momentarily toggle backlit ON and OFF.
Testing the Display
Press the button and turn on the Meter to view all
segments of the display. Compare the display with the
example in Figure 54.
Figure 54 LCD display
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