To get the longest use from your most recent battery charge, select
settings on the OPTIMIZE BATTERY LIFE configuration screen that best suit
your current work practices. From the preset options, you can select when
the backlight will shut off and when the meter will shut off after a period
of non-use.
Use the arrow keys to highlight the item you want to edit on the configuration
screen. Then press ENTER to open the edit box. Use the arrow keys
to highlight the selection you prefer. Then press ENTER to complete
the edit. The factory default time for meter shut off is 10 minutes. The
factory default time for backlight shut off is "always."
TIP: Press SHIFT