YANTEK YD308, Руководство пользователя

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4-Pin Relay: connect the black line to #30 pin, red light to #87 pin, in
this case, the green light on and red light off. Then connect the probe
to #85 pin, ground line to #86 pin and press then UP button, green
light off and red light on. This shows the relay is good. Otherwise, it's
bad.
AC Frequency
While in the mode, connect the probe tip to a circuit, it can show the
frequency on the LCD quickly and precisely. ( Figure 21)
HZ FRQ CTR
0976
H
Z
Figure 20
P--N
While in this mode, connect the probe tip to a circuit, the LCD
will display if it is ground line or not. If not, it will display the
voltage. (Figure 22)
P-N
Po)
Negative(-)
ERROR
Figure 21
15