I'm concerned about the display being on 24/7. Is there someway to turn it off?
Yes, there is. Read the part about "Backlight Display" in the manual. I've set mine to turn on at 5:15am, when I get up and turn off at 6:00am when I leave for work.
I also turned my brightness all the way down. That way when I press the 3rd button from the left (backlight), I can turn the display on and off over the weekend and evenings.