Performance Tests and Calibration 6
U1253B User’s and Service Guide 139
Basic Operating Tests
These basic 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 and hold the button while turning on the
multimeter to view all the OLED pixels. Check for dead
pixels.
Figure 6-1 Displaying all OLED pixels
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