Land Rover Discovery Owners & Service Manuals

Land Rover Discovery: Operation - Incontrol Touch Plus Audio Systems

NOTE:

Only basic voice commands are available on Japan market specification vehicles.

The voice control system provides the driver with the option of voice control for a range of supported functions. The following systems can be controlled by voice control:

  • Bluetooth Telephone system
  • Navigation system
  • Vehicle notepad
  • Radio, satellite radio and digital radio (if fitted)
  • CD player
  • Virtual CD player
  • USB and auxiliary input connections.

The 'notepad' facility allows voice notes to be recorded. Voicetags for phone dialling, radio stations and navigation locations allow the system to be personalized and there are help and tutorial functions to provide advice on using the system.

The voice control system uses a 'visual prompter' system known as 'Say What You See' (SWYS). Each of the voice control functions are supported by 'Help' commands; saying "Help" at any point in the conversation will give a context sensitive explanation of what the user can do at that point. The SWYS visual prompter shown in the TS guides the user through the flow, showing examples of what they can say next, and also confirmation of where they are in the conversation flow.

Voice Control Switch and Touch Screen Display - InControl Touch Plus Audio Systems

Voice Control Switch and Touch Screen Display - InControl Touch Plus Audio Systems

  1. Voice control switch
  2. 'Say What You See' Command list
  3. Voice symbol
  4. 'Help' command
  5. 'Cancel' command

Command List - Only applicable to InControl Touch Plus Audio Systems

A full list of all shortcut voice commands can be found on the Touch Screen (TS) by pressing the 'command list' softkey in the 'Voice Settings' menu.

Select a device name from the list to see all the shortcut commands available to interact with that device. Pressing the 'I' softkey next to any command shows alternative ways of saying the same command.

Starting a Voice Session

To start a voice session the driver briefly presses the voice control switch on the left steering wheel switchpack briefly. An audible tone can be heard, followed by the presentation of the 'Say What You See' (SWYS) visual command list in the TS indicating some commonly used available commands. A voice symbol indicates that the system is listening. Always wait for the listening tone to finish playing before using the command. To end a session press and hold the voice control switch until a double beep is heard.

When the voice control switch is pressed on the left steering wheel switchpack, a signal is received by the TS via the clockspring assembly on a Local Interconnect Network (LIN) bus. A voltage is sent on a single wire from the switchpack, through a resistive ladder and converted to a LIN bus signal.

The whole process is then initiated via the MOST network; for example the TS starts the voice session and carries out the resulting action requested by the user, but the IAM maintains the dialogue with the user. The SWYS visual prompter is calculated and presented in the TS, when requested to do so by the IAM. The accompanying voice feedback is sent to the Audio Amplifier Module (AAM) for broadcast over the speakers from the IAM. If a recognized user instruction is received via the microphone, this is then processed and sent to the TS to perform the required action.

NOTE:

If a Touch Screen (TS) higher priority message is required, this will prevent or cancel the current voice session.

Voice Tutorial

A voice tutorial can be accessed either by giving the 'voice tutorial' command or by pressing the 'voice tutorial' softkey located in the 'Operating Guide' option in the 'Voice Settings' menu on the TS. The tutorial gives information on how to use the voice system, useful tips and how an experienced user can speed up their interaction with the voice system by turning voice feedback off, using interrupt (barge-in) and saying shortcut commands.

Voicetags

Voicetags allow the user to store voice entries as shortcuts to control various functions; for example routing to navigation locations, dialling numbers and tuning to radio stations. The voicetags sub-menu, in the voice settings menu in the TS, accesses controls for navigation, phone, radio and depending on specification digital radio or satellite radio.

Voice Training

Voice training is used to adjust the system to recognize the user's voice more accurately. The voice system allows two different users to create separate profiles, providing training for User 1 and User 2. When training is activated for each user, a 'pop-up' is displayed to confirm that training is in process for that user. The 'pop-up' informs the user that voice training must be fully completed in order to activate the new voice profile, and offers the option of 'OK' to initiate the session and store data in that User profile, or 'Cancel' to return to the previous menu. Once activated, another 'pop-up' indicates that training is in progress.

Voice training phrases will be shown on the 'SWYS visual prompter' in the TS and the user will be requested to say each phrase after the listening tone.

NOTE:

Voice training can only be conducted stationary with the engine running and with the climate control NOT in defrost due to background noise.

Voicetags and training are stored in a non-volatile memory within the IAM.

Disconnection of the battery would not cause any customer data loss.

NOTES:

  • To enable new voicetags and training to be written to memory, a period of ten minutes after the last ignition off cycle (power mode 0) must take place. If the battery is disconnected before this time data may be lost.
  • If the IAM is replaced all voicetags and training will be lost.
  • If either the IAM, Instrument Cluster or the TS are replaced, it is recommended that the vehicle language settings and voice language settings (if vehicle language is not supported by voice control) are reset to the same setting.

Navigation Destination Entry by Voice

Destination entry uses phonetic transcriptions of the navigation data (stored as part of the map data) to offer the user the ability to enter an address or postcode into the Navigation system by voice. The user simply follows the visual and audible instructions given by the voice system and enters their desired address in a step-by-step manner or one shot destination entry.

At each address entry stage, the user's voice command is matched against the phonetic map data and a list of likely recognition candidates is presented in a "picklist" for the user to select from. If the chosen address has more than one location associated with it, the voice system will work with the user to determine the exact address they wish to navigate to.

Dialling from the G2P Phonebook

Provided the phonebook has been downloaded via Bluetooth, the voice system is able to perform a grapheme-to-phoneme (G2P) transcription of each of the names stored in the phonebook. This is then used by the voice system to allow the user to dial a contact by saying the name stored in the phonebook, there is no need to store a voicetag first.

The user's voice command is matched against the phonebook entries and a list of likely recognition candidates is presented in a "picklist" for the user to select from. If the chosen contact has more than one number associated with it, the voice system will work with the user to determine the exact number they wish to dial.

The contact name must be spoken as displayed in the phonebook in the TS.

For example, if "Smith Steven" is shown in the Phonebook in the TS, it is unlikely that the voice system will recognise "Steven Smith" (order reversed), "Steve Smith" or just "Steven" (partial name) correctly.

The system will attempt to recognise names based on the currently selected voice language. Foreign contacts may not be recognised correctly and depending on the characters used, may not be recognised at all.

For regularly used contacts with more than one number or a foreign name, the user can store a voicetag as a shortcut.

When enabled in the Phone settings, the Voice system will announce the name of the incoming caller identity through the audio system speakers.

CONTROL DIAGRAM - INCONTROL TOUCH AUDIO SYSTEMS

NOTE:

A = Hardwired; AU = APIX2

CONTROL DIAGRAM - INCONTROL TOUCH AUDIO SYSTEMS

  1. Audio Head Unit (AHU)
  2. Touch Screen (TS)
  3. Audio Amplifier Module (AAM)
  4. Vehicle audio speakers
  5. Ground
  6. Relay - located in Quiescent Current Control Module (QCCM)
  7. Fuse - located in QCCM
  8. Portable audio interface panel
  9. Microphone
  10. Clockspring
  11. Left steering wheel switchpack

CONTROL DIAGRAM - INCONTROL TOUCH PLUS AUDIO SYSTEMS

NOTE:

A = Hardwired; P = MOST; AE = LVDS

CONTROL DIAGRAM - INCONTROL TOUCH PLUS AUDIO SYSTEMS

  1. Integrated Audio Module (IAM)
  2. Navigation Control Module (NCM) - Japan only
  3. Audio Amplifier Module (AAM)
  4. Touch Screen (TS)
  5. Ground
  6. Relay - located in Quiescent Current Control Module (QCCM)
  7. Fuse - located in QCCM
  8. Microphone

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