Basic Operating Tests; Testing The Display; Testing The Backlight; Figure 6-1 Full Segments Of Annunciator Display - Keysight U1211A User's And Service Manual

Basic Operating Tests

These operating tests are for testing the basic operation of the instrument. Repair
is required if the instrument fails any of these basic operating tests.

Testing the display

Press Hold/Max Min while rotating the rotary switch to ~A on the clamp meter to
view all segments of the annunciator display. Compare the display with the
example in
Figure 6-1

Testing the backlight

Press Hz/%/
Keysight U1211A, U1212A, and U1213A User's and Service Guide
Figure 6-1.
Full segments of annunciator display
for more than 1 second to carry out test on the backlight.
Performance Tests and Calibration 6
87