EXFO FVA-600 - Manual (Page 12)

Getting Started with Your FVA-600 Variable Attenuator 6
Keypad Description
The functions below are obtained by pressing on the corresponding buttons.
Secondary Functions Keypad
The functions below are obtained by pressing and holding the button for a few
seconds.
Activating Automatic Shutdown (Auto-Off)
When auto-off is activated, the unit will turn off after
10 minutes of idle time.
To deactivate/reactivate auto-off:
When unit is on, press
rapidly.
λ
Select
Step
Size
Abs/
Rel/
Pwr
Confirms selection
Decreases value
(attenuation, power,
edition)
Increases value
(attenuation, power,
edition)
Goes to next preselected
wavelength
Confirms wavelength edition
Goes to next step size in list
Switches between
measurement modes
Turns on unit
Auto-off mode
Esc key
Backlight
Esc
Edit
λ
Zero Edit Pwr/Ref
Edits selected
wavelength
Searches for
reference positioning
and reset to
attenuation in use
Edits power for power
operation mode and takes
reference for relative
operation mode
Turns off unit
Switches backlight
on or off
Increases value rapidly
Decreases value rapidly