Screen Saver
In order to extend the useful lifetime of the fluorescent backlighting of
the screen, the backlight is turned off whenever two hours pass without
any button being pressed.
To turn the backlight on again, press any key. The backlight will be
turned back on, and the normal function of that button will not be
executed.
For situations where the two hour time period is insufficient, the
Portable One Plus Access has an eight hour screen saver mode. This
mode is entered by pressing the BARGRAPH key and RECALL/SAVE
key simultaneously. The display will go dark to acknowledge that eight
hour mode has been invoked, and another keypress will be required to
turn the backlight back on.
If one key is released before the other, the display will relight, but eight
hour mode will still be invoked.
Turning power off and back on will return the unit to the normal two
hour screen saver.
4 Operation
Operation Overview : Screen Saver
4-10 Portable One Plus Access User's Manual
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