To edit the USB drive contents 
(create/ delete/ rename files 
and folders), press File Utilities. 
For details, see page 99. 
1.  (For saving to USB flash 
drive) Insert the USB flash 
drive into the front panel 
USB port. 
2.  Press the Save/Recall key 
twice to access the Save 
menu. 
4.  Press Source. Use the 
Variable knob to select the 
source signal. 
Math operation result (page 58) 
Internally stored reference 
waveforms A, B 
5.  Press Destination repeatedly 
to select the file destination. 
Use the Variable knob to 
select the memory location.