Please read and learn safety instructions 
before use or maintain the equipment

Please store the test in right place and operate in correct way in 

case of the sharp probe hurts sb . 

Main testerr uses 6V DC  for power supply;Receiver uses 9V 

    battery for power supply .

Never put the equipment in the place with much dust, humidity 

    and high temperature (over 40

.

Please use battery according to the specification; otherwise, it 

    may result in damage to equipment.

Please never dismount the equipment arbitrarily. The maintenance 

    and care shall be conducted by professional personnel.

The

tester

will shut

off

automatically

if

it

does

not

work

for 30 

    minutes

in

succession

.

Please take out the battery in launcher and receiver if the 

    equipment is not used for a long time so as to prevent that the 

    battery liquid is leaked in future.

Never use the equipment to detect power cord with electricity 

    (such as power supply circuit of 220V), other wise, it may result in 

    damage to equipment and personal injury.

Never conduct related operation of communication line in 

    thunderstorm weather so as to prevent lightning stroke and 

    impact on personal safety. 

Your excellent helper in cable test!