Table of Contents - Car diagnostic tool

www.obd2express.co.uk3) Press the OK button to save your selection and return toprevious menu. Or, press the ESC button to exit without saving.Key TestThe Key Test function checks if the keyboard is working properly.1) From System Setup screen, use the UP/DOWN scroll buttonand LEFT/RIGHT scroll button to select Key Test, and pressthe OK button.2) Press any key to start test. When you press a key, the edge aroundcorresponding key on the screen should turn to red. Otherwise,the key is not functioning properly. (Figure 3.6)Figure 3.63) Double press ESC to return to previous menu.LCD TestThe LCD Test function checks if the LCD display is workingnormally.1) From System Setup screen, use the UP/DOWN scroll buttonand LEFT/RIGHT scroll button to select LCD Test, and pressthe OK button.2) Look for missing spots in the red, green, blue, black and whiteLCD display.16