Please read and learn safety instructions
before use or maintain the equipment
●The tester uses 9V b attery for power supply .
●Neve r put the equipment in the plac e with much dust, humidity an d
high temperature (over 40℃).
●Plea se use battery according to the specification; other wise, it
may result in damage to equipment .
●Plea se never dismount the equip ment arbitrarily. The maintenance
and ca re shall be conducted by prof essional personnel.
● The tester will shut off automatically if it does not work for 30
minu tes in succession.
●Plea se take out th e battery in laun cher and receiver if the
equi pment is not used for a long time s o as to prevent that the
battery liquid is leaked in futur e.
●Neve r use the equipment to detect power cord with electricit y
(such as power supply circuit of 22 0V), other wise, it may result in
dama ge to equipment and persona l injury.
●Neve r conduct related operati on of communication line in
thunderstorm weather so as to prevent lightning stroke and
impa ct on personal safety.