
2 - 22 WT41N0 User Guide
Interactive Sensor Technology
This section describes the functionality of the Interactive Sensor Technology (IST) feature on the WT41N0.
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 WT41N0 by monitoring motion and orientation.
•
Display Orientation – switch the screen orientation to either landscape or portrait depending on the
WT41N0 orientation.
•
Free Fall Detection – monitors free fall duration and records the time and type of the drop event.
Free Fall Detection
IST continuously monitors gravitational force on the WT41N0 according to its current position. When the
WT41N0 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.
Simultaneous Audio
Use Simultaneous Audio is to route audio output to more than one audio output devices (speaker, Bluetooth
headset or wired headset).
Figure 2-19
Simultaneous Audio Window
Normal
By default the WT41N0 is set to Normal. Audio is heard on the output device as follows:
•
If no headset is connected, audio is heard through the speaker.
•
If a wired headset is connected, audio is heard through the wired headset.
•
If a Bluetooth headset is connected and paired, audio is heard through the Bluetooth headset.
•
If both a wired headset and a Bluetooth headset are connected:
• If the Bluetooth headset is paired and connected, audio is heard through the Bluetooth headset.
• If the Bluetooth headset is paired but not connected, audio is heard through the wired headset.
Bluetooth headset and Speaker
Select this option to route audio to both the speaker and the Bluetooth headset.
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