Can I adjust the contrast of the screen?

• No, but you can change the color of the screen background to suit your preference. See below.

  Adjusting the Watch Face and Background Settings

  You can adjust the device screen to display one of a variety of digital or analog watch faces. You can also select the color of the screen background.
  1. At the Time screen, press the  Enter button.
  2. Select Settings. You see a screen like this:
     
  3. Select Display.
  4. Select Watch Face.
  5. Select one of the available watch face designs.
  6. Select Background.
  7. Select a Black (default) or White background for the device screen.