21
2.1 Pre-Operation Inspection
3.
Short the tips of the red and black test leads by
touching them together.
4.
Set the function switch to "V" to conduct the ACV.
(
lights.)
5.
Insert the test lead tips into the openings of the AC
receptacle.
• Buzzer sounds.
• Value stabilizes around 0
.
OK
•
OF
displayed
/The display is unstable.
NO
Possible test leads or tester malfunction.
Black
Red
•
Display of commercial voltage levels
OK
• No display of commercial voltage levels
NO
Possible tester malfunction.
This procedure only partially confirms the opera-
tion of this instrument. Periodic calibration is nec-
essary in order to ensure that this instrument
operates according to its product specifications.
