1 Two bit digital tube display area, the corresponding screen reference list through the digital tube below the add and subtract key to display the number of 01-55,. LCD screen line power supply short circuit, the digital tube does not stop flashing display “00”, while the buzzer.

2 The power button (red hat), press the power button, LCD screen and power supply, voltage indicating exhibit of lanterns lit. The power button up the LCD screen, disconnect

the power supply. So, in the test, the replacement of the LCD screen just press the power button to.

3 Screen voltage switch, according to different sizes of LCD screen, to select the appropriate screen power supply voltage, 3.3V/5V/12V

optional. Long press the button for 5 seconds, the voltage will

automatically jump at the same time, the corresponding voltage

indicator lights exhibit of lanterns

4 The backlight interface, defined as the standard general high voltage

board / 6pin board interface, is used for the external LCD screen of the

high pressure plate / boost plate.

Backlight interface, the definition of 6pin is a standard for the

general high voltage board / boost board interface for external LCD

screen with high pressure plate / boost plate, for some small size LCD

backlight for 5V, can also be used for our future development of various

expansion board power supply

5  LVDS output port, the foot is defined as the standard definition of

the market on the ordinary driver board / common screen line, can be

directly bought the screen line to use.

6 Screen switch button for the 12 standard test screen cycle switch.

7 Quality switch keys, the built-in test screen without a full screen, the

effect is not HERSHEY’S, can be used to switch to the appropriate

picture.

8  Automatically switch keys, press a button, the built-in test screen will

automatically show, at this time the digital tube two decimal point will

be displayed, for the factory assembly, repair and use of the machine.

Press the button again, the automatic cycle is shown to be closed.

9  VGA output, for the 12 test images through the VGA signal output,

can be a test instrument when the VGA signal source, to test other

displays.

10  VGA output, when inserted into the external computer VGA signal,

the tester automatically switch to the external VGA signal, do not need

to manually switch. Pull back to the built in test chart display.