Interactive Sensor Technology; Power Management; Display Orientation; Free Fall Detection - Motorola MC9190-G User Manual

Wireless Launcher Window
Figure 2-19

Interactive Sensor Technology

This section describes the functionality of the Interactive Sensor Technology (IST) feature on the MC9190-G.
The IST supports the following features.
•
Power Management – manage power by configuring IST to control switching on/off the backlight, control
suspend mode of the MC9190-G by monitoring motion and orientation.
•
Display Orientation – switch the screen orientation to either landscape or portrait depending on the
MC9190-G orientation.
•
Free Fall Detection – monitors free fall duration and records the time and type of the drop event.

Power Management

The MC9190-G orientation and motion sensitive data can be used as an indicator of MC9190-G usage and can be
used to manage the battery power of the MC9190-G. For example, IST can be configured to control the backlight
on and off functionality or go into suspend according to a user gesture by placing screen facing down. It can also
be used to keep the MC9190-G active while it is in movement to prevent it from quickly going into suspend mode
while in use.

Display Orientation

The screen can be rotated between portrait and landscape modes automatically, depending on the physical
orientation of the MC9190-G. For example, if the MC9190-G is rotated 90° counterclockwise, IST rotates the
display counterclockwise 90° so that the screen display appears correct.
This functionality is achieved by monitoring screen angle and rotating the display to counter any changes. IST only
rotates the screen in multiples of 90°.

Free Fall Detection

IST continuously monitors gravitational force on the MC9190-G according to its current position. When the
MC9190-G free falls, IST detects the absence of gravitational force and records the event data if it detects a free
fall more than 450 ms, which may indicates nearly a one meter drop. This data can be used as an indicator of
potential abuse or misuse.
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