EXFO FLS-2200 Broadband Source - Manual (Page 26)

Setting Up Your Broadband Source
18 FLS-2200
Activating or Deactivating the Backlight
Activating or Deactivating the Backlight
To deactivate the backlight:
1. Press the Setup button.
2. Use the up/down or left/right arrow keys to select Backlight (the item
will be displayed in reverse video).
3. Press ENTER to access the Backlight edit box.
4. Use the up/down arrow keys until the backlight value changes to OFF.
5. Press ENTER to confirm the new backlight setting.
To reactivate the backlight:

Stand very close to the unit to see the information displayed. Repeat
steps 1 to 4 above—except that you must set the backlight value to ON.
OR

Reset the unit to the default parameters (see Reverting the Broadband
Source to Default Settings on page 21).
Setting the Contrast
To set the contrast:
1. Press the Setup button.
2. Use the up/down or left/right arrow keys to select Contrast (item will
appear in reverse video).
3. Press ENTER to access the Contrast edit box.
4. Use the up/down arrow keys to adjust the contrast as required.
5. Press ENTER to confirm the contrast adjustment.