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 SHIFT to quickly turn the backlight on or off.