Grid Mobile does not go to sleep

Grid Mobile keeps the machine awake when the buttons on the device are NOT configured to be used by the software. 

This is to allow program to be used by people who have poor hand function who cannot operate the small buttons on the device. They might, for example, use a large external switch or press the screen to control scanning but if the machine is allowed to go to sleep they would not be able to turn it on again. Keeping the machine awake all the time obviously has implications for the battery life, so this may not always be desireable - it's a bit of a compromise depending on the needs of the individual.

To allow the machine to sleep you need to configure at least one of the built-in buttons to be used by Pocket Grid.

For example, someone with moderate hand function difficulties might control scanning by tapping the screen but also use one of the small built-in buttons for Cancel.  In this configuration Grid mobile will allow the machine to sleep after a period of inactivity as it assumes that the user is able to operate the buttons (even if that is not their principal access method).  The length of time before the machine sleeps is configured in the Windows|Settings|System|Power control panel Advanced tab. 

If someone is using Direct Selection (i.e. without needing to have the built-in buttons configured) it is still possible to allow power to go off by setting up a buttton as one of the unused scanning functions.  Even though it is not being used, the very fact that this dummy button is configured is enough to tell Grid Mobile to allow the machine to go to sleep. To set this up: change to scanning mode, set "Advance to next cell"=hold switch, and then set CANCEL to one of the hardware buttons.  Then turn the scanning off again to get back to Direct Selection.  (This may not work in some older versions of the software).

 Please remember to check your settings in the Windows control panel (Start|Settings|System|Power).