Exfo FVA-3150 Variable Attenuator Manual do Utilizador descarregar pdf (Página 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;

Use the left/right arrows to move until EXIT is displayed, then press ENTER.

IMPORTANT

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.

CAUTION

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

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Exfo FVA-3150 Variable Attenuator Manual do Utilizador Página 20