The upgrade soft's installing program for HA2020S
Electroacoustic Testiong Equipment.
                          (60Smf3.zip)  [2004-4-29]

Program explaination:
 1.Modify the "F3" key.Don't press it to congeal a line until the number of the frozen lines is increased to 10.
2.You can press the <DEL> key to clear the newly frozen line,and press the <CTRL>+<DEL> key to clear all the frozen lines.
3.Press the <shift>+<F2> key to count the average frozen line in the screen currently.
4.The data in user's setup limit frame adopt the positive and minus value of center sensitivety.Setup method:input data directly,change the sign using the <+> key,<-> key,or <space>key,change the upper and lower limit using the <TAB> key
5.Modify the <F4> key.Now the key can save more than one file.
Installing explaination:
After the file is downloaded,open the compressed file by using the zip PKWare,then decompress it to the floppy disk.Put the floppy disk into the floppy drive of the testing instrument,and finish upgrade by running the "8"file in the floppy disk.