1、 先在发送端１号机上显示班级号，然后送到接受端2号机上显示。

2、 接下来在发送端１号机上输入学号显示，然后送到接受端2号机上显示。

如:某学生的班级号为050901，学号为0502030；则:

1、 先在发送端１号机上显示050901，然后送到接收端2号机上显示050901。

2、 接下来在发送端１号机上输入学号0502030显示，然后送到接受端2号机上显示0502030。

-A first transmitter No. 1 in the display class number, and then sent to the receiving end on the 2nd machine on display. 2, then No. 1 in the transmitter enter the School ID Display, and then sent to the receiving end on the 2nd machine on display. Such as: a student' s class number is 050 901, student number is 0502030　are: 1, first in the transmitter 1 is displayed on 050 901, and then sent to the receiver on the 2nd machine on display 050901.2, followed by the sending side on the 1st plane Enter Student ID 0502030 shows, and then sent to the receiving end on the 2nd machine on display 0502030.