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 10 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.