You can specify either hectopascals (hPa) or inches of mercury (inHg) as the display unit for barometric pressure values.

1.Enter the Timekeeping Mode.

Navigating Between Modes

2.Hold down (D) for at least two seconds. Release the button when the name of the currently selected Home City appears on the display.

Example: When your Home City is Los Angeles

3.Press (E) eight times.

This causes [UNIT] to appear, with [hPa] or [inHg] flashing.

4.Press (A) to toggle between barometric pressure units.

[hPa]: Hectopascals

[inHg]: Inches of mercury

5.Press (D) twice to exit the setting screen.