JDS Uniphase HST-3000 OLP-3057, Руководство пользователя

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Chapter 3 Optical Testing
FTTx testing
HST-3000 OLP-3057 Optical Power Meter User’s Guide
17
Editing reference
levels
The following procedure describes how to edit a reference
value.
To edit a reference level
1 Verify you are in relative measurement mode.
2 Press the Reference soft key.
3 Select Edit Ref.
A pop up appears to enter the 1310 reference value.
4 Edit the reference value for 1310 nm, then press OK .
The display moves to the 1490 nm wavelength.
5 Edit the reference value for 1490 nm and then press OK .
The display moves to the 1550 nm wavelength.
6 Edit the reference value for 1550 nm and then press OK .
The measured power level is calculated and displayed.
Loading,
editing, and
storing
threshold
masks
Before doing a Pass/Fail test, a threshold mask must be spec-
ified.