Problems with using a Sony Ericsson with a Blutooth GPS

Could someone tell me step by step what to do after installing Navigami on a Sony Ericson?
I can see the Bluetooth GPS but I don´t get my position, maybe because I have the wrong settings.

SE

I develop and test navigami on SE K750I and have tested it on other SE phones. What phone type and gps module do you own?

I have a SE K550i and a

I have a SE K550i and a Global sat bluetooth gps.

gps

when connected, which signal status icon is displayed?