Owner manual

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