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．
Standard configuration
(
1). NF-902 Handheld light source
------------------- 1 piece
(2). Operation Manual----------------------------------- 1 piece
(3). AC Adapter------------------------------------------- 1 piece
(4). 9V battery---------------------------------------------1 piece
(5). Cotton swab------------------------------------------ 1 piece
(6). Toolkit-------------------------------------------------- 1 piece
Inaccurate
measure result
Some variation of
optical power
when initial start
Lower output power
of light source
Unable to start or
no screen display
Clean the connectivity port
completely
Mismatch wavelength
of light source
Check the correct wavelength
is selected
Inadequate 9V battery
replace new battery
Inadequate battery
Use power adapter or
change the battery
No preheating for
optical maser
Turn on the light source and
activate the operating wave
-length, then carry out measure
-ment after 30min preheating
Unclean connectivity
port of light source
Possible reason
Solution
Common faults
5. Common faults and solutions
Dim LCD display
6. Warranty
NF-902 is warranted against defects in materials and workmanship
for a period of one year from the date of purchase.
Your excellent helper in cable test!
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NOTE: if the damage caused by improper operation or wrong
cleanness of optical connector, our company will charge for the
maintenance or replacement.