Date: Mon, 13 Oct 2003 01:28:43 GMT
From: Harvey White <>
Subject: Re: Nokia hands free - Bluetooth

On Sun, 12 Oct 2003 20:53:25 +0000 (UTC), "DCM" <> wrote: >I have a Nokia 6310i so it seemed obvious to fit the Nokia CK-1W (update of >CARK112) Bluetooth kit to my UK Saab 9-5 (late 1998). I have read various >installation instructions online. Those that came with the kit are rather >short. > >Fitting has been straight forward. I bought the handsfree wiring harness >from my Saab dealer, and fitted the two jackplugs to the harness, together >with the power connectors, and the remote control button. All seemed ok. >On turning on the ignition and the phone the bluetooth is recognised (and >paired). So far so good. A call can be received - i.e. the stereo >speakers mute, the SID says "TELEPHONE", and all goes quiet - and stays >quiet. I cannot hear the incoming call and they cannot hear me. Similarly >if I try to make a call and try using voicetags the phone display simply >says "Not recognised" even though it does if not connected to Bluetooth. >It is as if the microphone is not functioning. Adjusting the volume makes no >difference. > >I thought the built in Saab microphone may be faulty, so I plugged in the >microphone from the Nokia Kit instead, but it makes no difference. Nor does >it make any difference if I plug in the separate Nokia speaker from the kit. >I am puzzled. So far as I can see I have done the installation correctly. >The Bluetooth unit certainly appears to work - it talks to the phone. Ok, assuming that there is an exact similarity between the 2000 my 9-5 and 1998, then the following is what I understand to be true. 1) microphone (high or low level, doesn't matter) must be connected to the phone, either through bluetooth or directly. 2) audio output from the phone (or bluetooth) must be connected to the audio line inputs in the harness. If you have some test equipment, I'd put a signal on the bluetooth output (and disconnect the bluetooth), hitting the level control to the audio system to connect the internal audio system to the signal generator. 3) I'd also check the bluetooth audio to the system, and make sure that when receiving a call there is an output. 4) there is a telephone default volume, you might want to check that. 5) I'd also check to see that there is an audio output to the bluetooth interface and thence to the phone. I'm assuming that you have some test equipment, a scope, voltmeter, signal generator... that kind of thing. That's what I'd do.. the bluetooth unit is talking to the phone, but it may only get a status signal, on hook or not.. there might be something else you need to do, I'm not sure. Harvey > >I have not connected an aerial. There is no mention in the installation >instructions. There is a pre installed aerial cable but I have seen >somewhere that it is not required - so presumably the Bluetooth system it >simply utilises the aerial in the 6310i. > The preinstalled areal cable to the phone goes up to the back of the roof, and unless there is an onstar antenna, I do think it is just an open wire.... I'd ignore it unless you have a need for a wire going back there... and the right front is the best place to put a telephone antenna according to the dealer. >Any bright ideas? I suspect that I have omitted something blindingly >obvious. In the next month or so, I will be installing a phone and amateur transceiver in the car. The phone will use its own system, and the transceiver will use the internal telephone wiring. I'll have to make a vox control for the speaker/microphone output to get the telephone circuitry to operate, unless I decide to just have a switch to mute the radio and patch the rig in. Harvey > >Many thanks to anyone who has read this far! >

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