Major tech MT915 Instruction Manual - Page 4

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Major tech MT915 Instruction Manual
2. At the other end of the cable, connect the "COM terminal"
(black crocodile) of the receiver.
When the "input terminal" (red crocodile) of the receiver is
successively touched on the cores of the cable under test,
the relevant number indicating the core is indicated on the
display of the receiver (1-16).
Operation example 1: Cable trace test
Operation example 2: Metal water pipe trace test
CAUTION: Though the units already have a protection
circuit built in, however do not apply voltage over 50V (AC
or DCV) to any crocodile clips of transmitter or receiver.
Otherwise the instruments may defect permanently.
Beep alarm test
Depress the "R TEST" button down on the receiver, using
the 2 Croc clips connect to the cables under test for
continuity. If beep sounds there is continuity, if no sound
then either there is a break in the cable or the wrong cable
is connected.
CAUTION: Beep if less than 100Ω
Voltage check
Depress the "V check" button down on the receiver.
Connect the black crocodile to "COM" reference and the red
crocodile connect to the cable port. If the two digit blue
LED display's "UU ", it indicates there is voltage on the
cable. This check is used for mains voltage indication only.
CAUTION: Check voltage range at 5V to 16V DC