See also:

AM radio reception
AM signals, because of their low frequency, can bend around objects and skip along the ground. In addition, the signals can be bounced off the ionosphere and bent back to earth. Because of these c ...

Drinking alcohol/drugs and driving
WARNING Never drive under the influence of alcohol or drugs. Alcohol in the bloodstream reduces coordination, delays reaction time and impairs judgement. Driving after drinking alcohol increases ...

Off button
To change the display brightness, press the OFF button. Pressing the button again will change the display to the day or the night display. The brightness can then be adjusted using the NI ...