EXFO FVA-3150 Variable Attenuator - Manual (Page 33)

Setting Up Your Variable Attenuator
Variable Attenuator 27
Selecting and Using an Attenuation Display Mode
To define an offset value for a specific wavelength:
1. Set the Variable Attenuator to the appropriate wavelength.
2. Select Setup.
3. Press the left/right arrows until OFFSET is displayed.
4. Press ENTER. The first segment of the current offset value will start
flashing.
5. Enter a new offset. Use the up/down arrows to change the flashing digit
and the left/right arrows to activate the next digit.
Note: Offset values between -99.999 and 99.999 may be entered. Use dB when
the offset represents loss and dBm when the offset represents power.
6. Once all the segments have been entered, press ENTER.
7. To exit the Setup menu, press the Setup button.
dBm
Current offset value for
the selected wavelength