6 Performance Tests and Calibration
150 Keysight U1251B and U1252B User’s and Service Guide
Current terminal test
This test determines if the input warning of the current terminal test is functioning
properly.
The meter sounds an alert beep when the test lead is inserted into the A terminal
but the rotary switch is not set to mA.A function. The primary display will indicate
“A-Err” as shown in Figure 6-2. The primary display will keep flashing unless the
test lead is removed from “A” terminal.
Figure 6-2 Input warning
NOTE
Before conducting this test, make sure the beep function is not disabled in
setup.
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