AFL OFL250 - User Interface Overview; Front Panel Keys and Functions

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The OFL250 front panel contains keys, indicator, and a display. The use of the Power, Menu, Test,
Back, Save, and VFL keys are fixed. The use of the soft function keys and arrow keys depend on
which menu or editor submenu they are displayed. The use of each key is summarized in the
table below.
Key Symbol Key Name Key Function
Power Press and hold (approx. 1 sec.) to turn the OFL250 on or off.
VFL laser ON - Press and hold (approx. 2 sec.), VFL indicator will turn on
and flash.
OFF - Press and hold (approx. 1 sec.), VFL indicator will switch off.
Menu Press to access the Main Menu.
Left and
Right
Tab keys
Press to display the next/previous available Menu Tab or Test View
Tab.
Arrow keys
(Navigation
Keys)
The arrow keys provide several functions as follows:
• In the Main Menu, these keys are used to navigate menus
and change setup parameters.
• In the Trace Page:
In the Zoom mode, these keys are used to adjust zoom.
In the Move mode, Left and Right keys are used to move
cursors.
Select This key provides several functions as follows:
• In the Main Menu, press this key to display a
submenu (if available).
• In the Trace Page, press this key to toggle
between A and B cursor.
Back Press once to return the previous page.
Press one or more times, depending on which menu or editor
submenu is displayed, to return to the Main Menu.
Test Press to start or stop a test.
Save Press to save the currently displayed test results.
Soft
function
keys
The label shown above each key on the display indicates the
current use of each function key. Press to activate the currently
designated function.
User Interface Overview
Front Panel Keys and Functions