1. Press H or M to enter the clock mode.
2. To adjust the hours, press and hold H until the correct hour appears on the display.
3. To adjust the minutes, press and hold M until the correct minute appears on the display.

1. Press H or M to enter the clock mode.
2. Press / to select between the 12 or 24 hour display format.

The clock mode automatically times out with the changed display format set as the current default setting.