Honda BF40 Owner's Manual page 24

• If a malfunction occurs, such as the fuel sensor not being
connected, the Invalid Value pop-up window appears, and
the calibration data is not saved.
• If the [MENU BACK] button is pressed in the middle of
calibration, a pop-up window appears to confirm whether
to cancel the calibration.
To cancel the calibration, select YES and press the [ENTER]
button.
If the button is pressed accidentally, select NO and press the
[ENTER] button to resume the calibration.
• To delete the calibration data, select Delete cal in step 2.
23
To "Configuring the settings" (P.8)