Installation Type 2a (Fig. 3) :This insallation type is possible with the Dual FOT GW 500S BTonly.Vehicles with an existing CD changerThese vehicles allow you to select between Gateway audio sourcesand the original CD changer by switching the modes betweenGateway (active) and Bypass mode.(Fig. 3)Installation Type 3a (Fig. 4) :Vehicles with no existing CD changerSet the DIP switches as shown accordingly.Text capable BMW E87, E90, E91, E92, E93,E60/61, E63/E64, E65/E66 (03/2005-) & E70Audi (MMI-2 High & Basic)Porsche (PCM I/II/2.1)Mercedes (NTG1-, NTG2- Comand)If you are connecting Gateway 500S BT to the back of the headunit, use this diagram:HUCar side(Fig. 4)Installation Type 3b (Fig. 5) :If you are installing to a free fibre optic connector in the car (CDChanger preparation):Car side(Fig. 5)5. Connector Port:On the connector port there is a mode selector switch to togglebetween Active / Bypass mode. In Bypass mode (LED flashes), theGateway 500S will be fully ‘invisible’, so no functions - as mediaplayback from iPod or the phone - will be accessible.Use this mode if:1, You want to use the original CD Changer (if available)2, If the car is taken to service9. Disclaimer and Warranty:DisclaimerIf your car’s electrical system begins to behave erratically,please disconnect the Activator tool and the Gateway interfaceimmediately and have it checked by your installer. Dension andits authorized distributors and retailers are not liable for anyincidental consequential or indirect damages or loss and donot assume liability for any diagnostic fees.Dension reserves the right to modify its products or specificationswithout prior notice.WarrantyDension devices carry a one-year limited warranty that protectsyou from defects in material and workmanship of products soldby Dension or its authorized distributors and retailers. Densiondoes not warrant any installation work or assume liability forany damage caused due to negligence, improper installation oroperation. For warranty claims, proof of purchase is required.Further assistanceIf you need further assistance in using your Dension product,please contact your local supplier or visit www.dension.comand click on ‘Support’.If any problem arise during the activation procedure, pleasecheck the download section for the latest firmware version andproduct documentation, as these may provide additional features,compatibilities or descriptions.6. Phone:Compatibility (minimum requirements:)• Porsche with PCM 2 / 2.1 Head Units, where ‘Phone’ button exists• Audi with MMI High and Basic Head Unit with SWC buttons• BMW 1/3/5/6/X5• Mercedes (NTG 1 & NTG 2) Comand Head UnitsRemove (loop) the factory phone from the MOST ring (ifavailable) if the Gateway 500S will be used for phone functionsas well.Please note: If it is needed, enable the factory Bluetooth modulewith a diagnostic computer (Typically on BMW and Porsche).It is possible to use the A2DP function of the Gateway 500S BTwhen the phone function is disabled by DIP switch however afterthe installation you need to upload a specific configuration file toswitch the BT Audio option ON.4. DIP Switch Settings:Set the DIP switches according to you car type:Please note: Disconnect the power cable from the GW 500S orpress the reset button on the connector port when changing theDIP settings.Please note: Vehicles with an existing CD-Changer in the trunk(e.g. Mercedes S-Class, Porsche Cayenne), it is recommended touse the (FOAPO1) so that the Gateway can be located near to theradioCar side CDC side8. Troubleshooting:Active mode(Blue LED solid)Status LEDReset buttonBypass mode(LED flashing)USB connectorText capable BMW E87, E90, E91, E92, E93,E60/61, E63/E64, E65/E66 (03/2005-) & E70Audi (MMI-2 Basic Monochrome)Porsche (PCM I/II/2.1)Mercedes (NTG1-, NTG2- Comand)7. Microphone Positioning:For optimum handsfree performance, position the microphoneas close to the driver’s mouth as possible, but at the same timein a central location, i.e. an equal distance from the left and rightspeakers. Ideally, clip the microphone to an overhead panel at thetop of the windscreen, for example, near the interior light.If you would like to use the factory phone option instead of theGateway 500S BT, please use the next DIP settings: