In noisy environment , earphone can be used to prevent interference

 from the outside. 

Earphone function 

BNC LINE Finding function

        Push the button to

“

SCAN

”

and the

“

STATUS

”

 indicator will light,

 which indicates the emitter is working. Insert one end of the BNC line into

 the BNC port, or clamp the naked copper core with the red crocodile clip 

the black crocodile clip is grounded. Then trace the target wire among a lot 

of wires with the receiver. The specific operation shows below:

Wire Tracing

Your excellent helper in cable test!

04