See also:

Temperature
A temperature increase will accelerate the rate of corrosion to those parts which are not well ventilated. ...

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. ● ...

Speaker Adaptation function
The Voice Recognition system has a function to learn the users voice for better voice recognition performance. The system can memorize the voices of up to three persons. Having the system lea ...