auto-off function isclosed.Shortlypressing “ ” again,
auto-off function logowill showinLCD.It meansauto-off
function isopenandthe testerwill shutdownin10 minutes
without anyoperations.
Backlightkey:
Pressing “ ” can open orclosebacklight. Ifthe
backlight isclosed, anyoperationcan open 10 seconds
backlight.
nIntroductionforoptical powermetermodule
1. Switchthemeasuring wavelengths
Youcanchooseoneofsixkindsofwavelengths:
850nm,1300nm,1310nm,1490nm,1550nmand 1625nm
throughthiskey.Thechosen wavelengthwill bedisplayed
inLCD screen.When theinstrument ispower-on, itdefaults
the wavelengthof1310nm,and circulatesinorderof
1310nm, 1490nm, 1550nm, 1625nm, 850nm, 1300nm
2. Showabsolutepowerand relativepowervalue.
The instrumentdefaultsthe absolutemeasurementof
opticalpower.The valuedisplayedbymaindisplay2means
logarithmicpowervalue (dBm).Thevalue displayedby
maindisplay3meanslinearpowervalue (*W).Shortly
pressing “▲”,the instrumententersopticalsourceoutput
state;shortlypressing “ ” toquitlasersourcemodule,
returnback toopticalpowertest state.
Ifyou set laserinworkingstate, thesetwomodulescan
workat the sametime.