4.  Use the Variable knob to 
choose a file name 
(DSXXXX.BMP). 
The image file must be placed 
in the root directory to be 
recognized. 
5.  Press Recall to confirm 
recalling. When completed, 
a message appears at the 
bottom of the display. 
6.  Press Reference Image to turn 
on /off the current image.  
The file will not be recalled if the 
power is turned off or the USB flash 
drive is removed before completion. 
To edit the USB drive contents 
(create/ delete/ rename files 
and folders), press File Utilities. 
For details, see page 110.