The Casio Pathfinder PAW1300 is a solar-powered watch with built-in sensors for air temperature, air pressure, direction and altitude. These features make it ideal for hiking and mountain climbing. You can choose the units displayed for the temperature, barometer and altitude settings.

Press the mode button--located at the 8 o’clock position--until the time is displayed.

Hold down the left of the two buttons at the 6 o’clock position until the display starts blinking.

Press the mode button repeatedly until you see the unit you want to change.

Toggle the button at 4 o’clock to the units you want the temperature in, whether Celsius or Fahrenheit.

Press the left button at 6 o’clock to save your change and exit the screen.