Prokit’s MT-7028, Руководство пользователя

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alligator clips connect in opposite way, the LED will be in
GREEN color. If the LED did not light up, it means there is
no electrical on the cable.
10.
「
POL
」
Phone line polarity function indicator
：
Push
“ ” button to operate the feature of phone line polarity
checking.
11.
「 」
Isolating Cables function push button
：
Push
“ ” button for cable tracing feature. When the indication
LED flickers slowly, it means low-tone tracing function is
working. Push “scan” button again to switch to high-tone
tracing function and the indication LED will flicker faster.
12.
「 」
Continuity function push button
：
Push “ Ω ”
button to start continuity/ short features when the LED
lights up.
13.
「 」
Power ON/OFF push button
：
Push “ ” button
to turn on the transmitter. Push the button again to turn off
the transmitter and the “POWER/ BAT LOW” indicator will
be off as well.
14.
「 」
Cable map & Shielded function push button
：
Push “ ” for cable mapping and shielded function
indication. When the light flickers slowly, the low speed
scan is working. Push the TEST button again, the fast
speed scan will be operated.
15.
「 」
Phone line polarity function push button
：
Push
“ ” button to operate phone line polarity function.
16. Battery cover
8