Senter ST801B User Manual - Backlight Key:
ST801B Optical Power Multi-Meter
10
auto-off function is closed. Shortly pressing
“
” again,
auto-off function logo will show in LCD. It means auto-off
function is open and the tester will shut down in 10 minutes
without any operations.
Backlight key:
Pressing
“ ” can open or close backlight. If the
backlight is closed, any operation can open 10 seconds
backlight.
n Introduction for optical power meter module
1. Switch the measuring wavelengths
You can choose one of six kinds of wavelengths:
850nm, 1300nm, 1310nm, 1490nm, 1550nm and 1625nm
through this key. The chosen wavelength will be displayed
in LCD screen. When the instrument is power-on, it defaults
the wavelength of 1310nm, and circulates in order of
1310nm, 1490nm, 1550nm, 1625nm, 850nm, 1300nm
2. Show absolute power and relative power value.
The instrument defaults the absolute measurement of
optical power. The value displayed by main display 2 means
logarithmic power value (dBm). The value displayed by
main display 3 means linear power value (
*
W). Shortly
pressing
“▲”, the instrument enters optical source output
state; shortly pressing
“
” to quit laser source module,
return back to optical power test state.
If you set laser in working state, these two modules can
work at the same time.