See also:

Engine exhaust gas (carbon monoxide)
WARNING ● Never inhale engine exhaust gas. Engine exhaust gas contains carbon monoxide, a colorless and odorless gas which is dangerous, or even lethal, if inhaled. ● Always properly m ...

Forward direction
Type A and B audio Type C audio Turn the “TUNE/TRACK/CH” dial clockwise to skip to the beginning of the next track/file. Each time the dial is turned, the indicated track/file number will increase. ...

ON
This is the normal operating position after the engine is started. ...