Testboy 20 Plus Mode D'emploi page 22

Operation
Acoustic continuity testing
Insert the test leads (as shown
in Figure 1b).
An acoustic signal can be
heard between 0 – 250 . The
green
the same time.
If an unexpected voltage is ap-
plied to the object being meas-
ured, the
and the buzzer will issue a
warning tone!
If a phase is active on one of
the wires being tested, the red
V~ LED will illuminate!
The Testboy
tected against external volt-
ages of up to 300 V~ (for max.
30 seconds)!
You can carry out a continuity
test while the flashlight is on!
22
LED illuminates at
light will illuminate
®
20 Plus is pro-
Figure 1b
Testboy
®
20 Plus