| Adaption procedure for reducing fresh air blower speed (adaption channel 08) |
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| To improve voice recognition and the clarity of telephone voice input, the fresh air blower speed is reduced on vehicles as of Model Year 2002 (with operating and display unit, Climatronic control unit -J255- as of hardware/software version “0711”). |
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| The reduction takes effect as soon as the message “Telephone voice input” is transmitted via the convenience data bus system. |
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| The reduction time is limited to max. 2 minutes. |
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| The amount by which the fresh air blower speed is reduced depends on the air outflow direction and the fresh air blower speed when the “Telephone voice input” signal is received. The greater the proportion of air routed to the dash panel vents, the more the speed is reduced. |
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| Reduction of the fresh air blower speed takes effect as of approx. 40% air distribution to the dash panel vents. The maximum reduction takes place with 100% air to the dash panel vents. |
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| In the basic setting, the fresh air blower speed with 100% air to the dash panel vents is limited to 15 % (or 25 %) of the maximum fresh air blower speed depending on the version of the operating and display unit, Climatronic control unit -J255-. This restriction can be reduced or cancelled by way of the “Adaption” function in adaption channel “8”. |
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| To obviate the need for several workshop visits, it is appropriate after changing the adaption to discuss the “Voice input” function with customers on vehicle handover with regard to the desired reduction of the fresh air blower speed with 100% air from the dash panel vents and to try this out if applicable. |
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