User Manual

4.13.4 Read on the LCD.
Note:
The meter displays an
approximation of the forward
voltage drop of the diode.
If the pen is connected
inversely or the pen is open,
the LCD displays "OL".
4 .14Line connection test
Danger of electric shock.
When testing the circuit on and
off, make sure the circuit is
disconnected and the capacitor
on the circuit is completely
discharged
4.14.1 Insert the black marker into
the COM jack and the red
marker into the " " jack.
4.14.2 Touch the "SEL" key to switch
to the line connection test state.
4.14.3 Connect the pen to both ends
of the line for measurement.
If the resistance of the measured
line is less than 50 Ω, the buzzer inside the meter will sound.
Note:
If the meter is open or the resistance of the measured
line is greater than 999.9Ω, "OL" is displayed.
V
Ω
V
Ω
14
Operational guidelines
warning