HP F230 User Manual page 17

Menu Feature
Frequency
Screen Saver
General
Settings
Format
Default Setting
Version
Description
Adjust the light frequency
Select time taken for display
screen to automatically turn
off during operation.
Format the memory card.
Warning: ALL content on the
memory card will be deleted
and CANNOT be restored or
recovered.
Reset all options to the
factory default settings.
Firmware version.
-15-
Available option
50Hz / 60Hz
Off / 3 mins / 5 mins /
10 mins
Cancel / OK
Cancel / OK