EXFO FVA-3150 Variable Attenuator - Manual (Page 20)

Getting Started With Your Variable Attenuator
14 FVA-3150
Accessing Menus
To turn the unit on and off:
Use the red button in the lower left corner of the front panel.
Accessing Menus
The blue buttons to the right of the display give access to single-level
menus: Program and Setup. The following diagram shows the menus and
their items.
To move (in a loop) between the menu items:
Use the left/right arrows.
To exit a menu:
Press the button that gave access to the menu;
OR
Use the left/right arrows to move until EXIT is displayed, then press ENTER.
I
MPORTANT
Some internal mechanisms can sometimes take a few seconds to
adjust, depending on the operation performed. While the Variable
Attenuator is performing internal adjustments (for example after
having changed the wavelength or the attenuation setting), no
buttons should be pressed while Program flashes on the display.
C
AUTION
The Variable Attenuator should not be turned off while Program is
flashing in the lower left corner of the display.
Program
Setup
Delay Duration Step ATT. Start Stop Exit
Step Lambda Offset Dimmer GPIB-RS Save Recall Exit Lockout