You may wish to adjust the display brightness, depending on the ambient light in the location where the BK-7m is being used.
1. Press MENU so it is lit.
2. Turn the VALUE DIAL to select "Global" and press the DIAL.
3. Turn the VALUE DIAL to select "Display Brightness" and press the DIAL.
4. Turn the VALUE DIAL to increase or decrease the display brightness.
NOTE: If you want the new display brightness setting to be temporary, press EXIT twice to return to the main menu. The next time you turn on the BK-7m, the display brightness setting will return to the previous setting.
NOTE: If you want the new display brightness setting to be permanent, continue with steps 5 thru 8.
5. Press the VALUE DIAL once and then turn the VALUE DIAL clockwise to select "Save Global."
6. Press the VALUE DIAL to display the "Save Global" menu.
7. Turn the DIAL to select "YES" and press the DIAL to display "Executing."
8. When the display returns to the "Global" menu, press EXIT twice to return to the main menu.