用1602液晶显示A B C D 在第一行的第2位置显示A,在第一行第6位置显示B，在第二行第10位置显示C，在第二行第14位置显示D.-1602 LCD with ABCD in the first line of paragraph 2 of the location A, in the first line of paragraph 6 shows the location of B, in the second line of section 10 location C, in the second line shows the 14th position D.