Panasonic DP-MB251CX Operating Instructions Manual page 92

12. Programmable Features
Feature
Display sort
setting in USB
print
92
Code Selection
#672 M0N "OFF"
M1N "NAME ORDER": The files and folders will be sorted alphabetically by name.
M2N "DATE ORDER" (default): The files and folders will be sorted by date.
Note:
R Selecting "NAME ORDER" or "DATE ORDER" will require some time to sort the
files and folders.