Iridium extreme ptt User Manual page 166

Setting Contrast
This capability allows you to adjust the contrast on the display screen.
160 Iridium Extreme® PTT User Manual
Menu
Data Modem
Call History
Setup
Security
Help
Select Back
Setup
Backlight
Contrast
Key Setup
Number Entry
Phone Information
Select Back
Contrast
OK Back
Starting from the Main Menu:
1. Use the 2-way Navi-key
to scroll until Setup is
highlighted.
2. Press the left soft key,
labeled Select.
3. Use the 2-way Navi-key
to scroll until Contrast is
highlighted.
4. Press the left soft key,
labeled Select.
5. Use the 2-way Navi-key to
scroll until to increase or
decrease the contrast.
6. Press the left soft key,
labeled OK to confirm
selections or press the right
soft key labeled Back to
return to the Setup Menu.
7. You may exit the settings and
return to the Main Screen by
selecting the red key.