NOYAFA NF-388 - Manual (Page 2)

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!