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GFL-Series User Manual V1.1
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Plug in the test leads to the sockets on the front of the Signal Generator. Connect the
red lead to the red socket marked (+) and the black lead to the black socket marked (-).
Ensure these are correctly connected Fit the alligator clips to the end of the leads. Note
that one of the clips includes an insulation piecing point.
Plug in the current clamps to the connection at the top of Signal Receiver.
4.2 Setting Up the Signal Generator
4.2.1 DC Systems
Determine which bus (i.e. positive or negative) has a fault by connecting a multimeter,
set to measure DC volts, between ground and each bus in turn. Generally the fault will
be on the bus which gives the lowest voltage reading.
4.2.2 Connecting Up
Now connect the signal generator to the faulty bus.
If the positive bus appears faulty, connect the positive (red lead and connector) to that
bus, and the negative (black lead and connector) to ground.
If the negative bus is faulty, connect the negative lead to it, and connect the positive
lead to ground.
Switch the unit on at the power switch.