YSI 556 MPS - Manual (Page 71)

File Section 8
YSI Incorporated YSI 556 MPS Page 65
Figure 8.10 Deleting
The progress of file deletion is displayed in bar graph format.
NOTE: Deleting all files in the directory will not change any information in
the site list.
6. Press the Escape key repeatedly to return to the main menu
screen.