Nokia 9210i User Manual page 227

Contrast and brightness page
Figure 92
Press + and - to adjust the bar you are editing.
Contrast level: Pressing + increases and - decreases the contrast of the display.
Brightness: The brightness level of the display. There are five levels to choose from.
Brightness period: A time period after which, if there has not been any key presses
within that time, the brightness will go down to its lowest level. The level
will rise to the level defined in Brightness as soon as any key is pressed
again. The options are 15 sec/30 sec/45 sec/1 min/2 min.
Screen saver: A time period after which the display will blank out if the device
remains inactive. The options are 2 min/4 min/6 min/8 min/10 min.
Colour page
Colour palette: The display colour scheme. The options are Blue/Red/Green/Grey.
Background pattern: The background image of the command button area. The
options are Plain/Wheels/Sand/Water/Leaves.
Tip: Selecting a low
brightness level and a short
time period for the last two
options saves the battery
and increases the operation
time of the communicator.
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