Navigami loses connection to Bluetooth

Hi,

I istalled navigami and downloaded some maps over Proxy. Everything was fine. But when i connected my Bluetooth GPS reciever to my Phone (SE W800i) and to Navigami the connection got lost after about 10 s. Whats wrong
Thanks
Chris

SE

Try to turn the backlight on. Settings/System. My SE k750i breaks the connection in standby mode or if I minimize the application.