Keysight U1251B Guia Del Usuario página 151

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 Hold button and turn on the meter to view all segments of the display.
Compare the display with the example in
Figure 6-1
Keysight U1251B and U1252B User's and Service Guide
LCD display
Performance Tests and Calibration
Table 6-1.
6
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