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

The tester 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 mainten-

ance 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!

01

Your excellent helper in cable test!