Prokit's Industries MT-7025 - Manual (Page 11)

10
 Black and red Alligator connectors clip to 2 wires terminal the
RJ-11 cable plug in socket of tested wire.
 The number “1” LED will light up if wires short, The number
“1” LED will off if wires open, brightness of number “1” LED
indicates the wires with hi or low resistance, LED bright
indicates low resistance, LED off indicates hi resistance.
Telephone line polarity test
 Slide “Power and function switch” to “SCAN” position,
then press “TEST” button and hold 2 seconds, “STATUS”
LED will off and “VERIFY” LED lights up at the same time.
 Black and red Alligator connector clip to 2 wires terminal the
RJ-11 cable plug in socket of tested wire.
Red Alligator connector clip positive wire and black connect
clip negative wire then “VERIFY” LED turns red, if reverse
the connection then “VERIFY” LED will turn to green.
***LED illumination:
If working place is dark, turns on the LED light for illumination.
***Earphone
If the working environment is noisy, wear the earphone to listen
and the sound will be more clear.
9．Battery
Low battery indicator
 Slide “Power and function switch” to “SCAN” position, if
“STATUS” LED and “VERIFY” LED flash at the same time
that indicates battery voltage is lower than 6V, please
change battery.
 When you perform any test, you find the LED indicator is off
or sound volume is low, please change battery.