JDS Uniphase OLP-85, User Manual

Page: 40 / 88

40 OLP-85
6 P
OWERMETER
O
PERATION
P
OWERMETER MEASUREMENT
Displaying relative power level
The actual measured power level relative to a reference value is
displayed in relative power display mode. The reference value
can be set by defining the actual power level as the reference
value or can be edited manually.
To set the reference level:
√ The Powermeter screen is displayed.
1. Press the [
A
] key.
The menu opens:
2. Tap the [ Store ABS->REF ] button to store the reference level.
The actual power level is set as the new reference level. The
reference level is displayed underneath the wavelength.
Reference power level display mode is activated.
Notes: The reference level is stored for each wavelength and is
saved even when the power is off.
To edit the reference level:
√ The Powermeter screen is displayed.
1. Press the [
A
] key.
2. Tap the [ More ] button.
3. Tap the [ Edit
λ
Table ] button.
The
λ
table is displayed.
4. Tap the desired wavelength value.
5. Press the [
A
] key.
6. Tap the [ Reference ] button.
The Reference edit mode is displayed.
7. Type in the desired value.
8. Tap the [ OK ] button.
► For other wavelengths, repeat steps 4 through 7 as required.