Either wait one minute after the backlight goes out and it will turn off automatically, or press and hold the play/pause button for 3-5 seconds.
To turn the backlight on, go into the settings app. Then, go to display, and then brightness. It should allow you to change the brightness by sliding the circle left to right.
You can turn off the iPod Touch if you jailbreak it.
Turn off Wifi Set display backlight and brightness level to low
No, you can only turn it off by either letting it run out of battery, or turning it off via the iPod itself.
It depends on the iPod model. An iPod Nano should have an off/on switch on the left side on the top of the iPod.
To turn off wifi on an iPod Touch you tap Settings --> wifi --> turn slider to "off"
if you hit the top button of the ipod touch it will go to sleep,not turn off, you can hit it once to "wake it up" OR while the ipod is on press And Hold the top button to turn it off and the same to turn it on.
Doesn't it turn off by itself if you leave it alone?
The only way to fix the backlight when it's dim is to replace the LCD. On ebay there are parts and people who service these jobs for cheap
all you have to do is switch off your ipod then turn it back on.
For the Ipod Nano and the Ipod classic, you just hold the play button down for 5 seconds or so. Do that again to turn it back on.