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2.2.7. SR Command – Navigate To
Choose the saved destination or start the navigation
2.2.8. SR Command – Daily Route
Start the navigation for the saved daily route
2.2.9. SR Command – Destination List
Show the list of saved destinations
2.2.10. SR Command – Voice Guidance
Turn on/off the voice guidance
2.2.11. SR Command – Reroute
Recalculate the route for the current destination
2.2.12. SR Command – Setup
Set various parameters of TMU such as distance unit, voice prompt,
notifications
2.2.13. SR Command – Help
List entire SR command set.
2.3. IVR – Interactive Voice Recognition
User can connect to service provider center by pressing IVR button in order to use
various services. When the voice call is connected between user and service provider
center by IVR button, user will be directed to automatic response system or to response
specialist.
3. Modem Function
3.1. SMS
TMU utilizes most of services by SMS transfer. When SOS or IVT button is pressed or
vehicle related events occurs, TMU sends SMS to desired destination – service center or
emergency center.
3.2. Voice Call
TMU utilizes MT(Mobile Terminated) Call in general use case. When SOS or IVR button
pressed, TMU sends SMS to desired destination then wait for the incoming call from the
destination. TMU will receive incoming call automatically after SMS is sent. For the
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