13
X-Cite
®
Optical Power Measurement System User Guide
035-00390R rev. 3
4.3.8
Select the appropriate wavelength by pressing
▲
button repeatedly to cycle
through wavelengths in 1nm increments, or
▼
button to decrement the
wavelength in 1nm increments. XR2100 display will show currently selected
wavelength while cycling and for 4 seconds after final selection.
4.3.9
Hold down wavelength select or the
‘
(nm)’/▲
button to rapidly scroll through the
wavelengths.
4.3.10
Refer to
section 8
to program, store and cycle through your desired/favorite
wavelength(s).
5 Measuring in Absolute Mode
5.1.1
The default measurement mode for the XR2100 is Absolute Mode. When in
Absolute Mode the XR2100 displays the reading as power in W (watts), mW
(milliwatts), or
μW (microwatts). Press
‘Relative/Absolute’
button to toggle
between Absolute mode and Relative mode.
6 Measuring in Relative Mode
6.1.1
Press
‘Relative/Absolute’
button to toggle between Absolute Mode and Relative
Mode.
6.1.2
The Relative Mode displays measurement as a percentage of a reference value
measured in % (percentage).
6.1.3
The “reference value” will be taken as the power level being measured when the
unit was toggled into Relative Mode.
6.1.4
The relative mode is a light measurement comparative tool and can be used with
a light guide or the XP750.
7 Storing Data
7.1
Power Readings
7.1.1
To manually store the power readings from the XP750 or the light guide port
press the
‘STORE’
button. The reading currently being displayed will be stored
along with the time and date
.
