Operating instructions

Setting Up Your AT100
27
Contrast
Adjust the screen contrast by opening the Customize folder [ ] in the main menu.
Select Display from the following menu, and then select Contrast from the menu options.
Use the right and left navigation keys to select the contrast level, and press "Enter" to save
your selection.
Display Timeout
Display Timeout controls how long the screen display will remain visible without activity. Once the device
reaches the Timeout setting, the screen will go blank to save power. Press SPACE or ENTER key to
restore the display.
Set the Display Timeout by opening the Customize folder [ ] in the main menu. Select Display from the following menu,
and then select Display Timeout from the menu options.