EXFO FVA-3150 Variable Attenuator - Manual (Page 36)

Setting Up Your Variable Attenuator
30 FVA-3150
Selecting and Using an Attenuation Display Mode
To use the Reference mode:
1. Ensure that the display is in Absolute mode (select Abs).
2. Select the appropriate wavelength.
3. Set the attenuation to the desired reference value.
4. Press the Ref. button.The display will switch to Reference mode.
Note: Pressing Ref with the Reference mode already active will reset the
reference value to the current absolute attenuation setting.
VARIABLE ATTENUATOR FVA-3150
Offset
ENTER
Abs Up Shutter
Ref

Down Attenuation
Program
Setup
Reference mode access
Absolute mode access
Step
In Monitor Out
Shutter