Volvo RTI Betriebsanleitung PDF herunterladen (Seite 8)

To get power +12V DC to the extra electronic we soldered 2 cables to the standard connector of the RTI.

Pin 11/12 is +12V DC from battery and Pin 15/16 is Gnd(0V DC). Due to the 12V DC is allways connected

we made a switch for disconnecting the power if we discovers that the unit would drain the battery, but

normally it should not be any problem. The switch is only in case of during our test and you can have it or

eliminate it. (The switch is not showing on the picture). We discovered later you do not need this switch.

To get the NAV to start and stop automatically when the RTI unit goes up and down you have to solder to

cables to the 2 small micro switches which are on the RTI pc board.

The micro switch 1 is actvated when the RTI is down and number 2 is activated when the RTI is Up.

For the “Push Bottom” in the your NAV you have to check which side of the bottom is connected to 0V.

You can do that with the cable wich you have soldered to the push bottom by connect one end to chassi

of the USB, if the NAV starts it is not the one which is connected to 0V or ground. This one you have to

connect to the new electronic board Diod D3 and the other which is 0V to 0V on the electronic board.

Pin 11= +12V DC

2nd row.

Pin 16= 0V DC

2nd row.

Micro switch 1

Micro switch 2

Your cables have to

be soldered as picture

shows. (RED)

(To Diode 1N4148)

Note the difference.

Do not connect the

other side.

Pin 13=+12 when ignition ON. This we connected

to + 12V IN USB original NAV charger. (Original

USB Charger which we has modified)

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Volvo RTI Betriebsanleitung Seite 8