See also:

Chrome parts
Clean all chrome parts regularly with a nonabrasive chrome polish to maintain the finish. ...

Battery
● Keep the battery surface clean and dry. Clean the battery with a solution of baking soda and water. ● Make certain the terminal connections are clean and securely tightened. ● ...

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 ...