• Display Backlight - (Not available on earlier models.) The display backlight improves display contrast in low lighting conditions. Selecting backlight ON will turn the light on for a short period of time after any button is pressed. Selecting backlight OFF (default) will keep the light off. Turn the display backlight feature ON as follows: 1. Press TIME and RUN buttons at the same time. The display will show "d-L" and "OFF" alternately
Testimonial: "Thank You very much"
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