System provides user with 4 different files, each of 
which has 10 groups including parameter setting *.set, 
use record *.rec, sequence output *.seq and delay 
output *.dly.  
 Note: Both file folder and name in flash drive are 
limited within 8 characters. 
1.  Press the Memory button to enter the interface. Rotate 
the scroll wheel (Encode) to select file of either 
internal memory or flash drive.