Zumo User Forums

Photos of Garmin Antenna and plug.

I have one of those external antennas here (somewhere). I'll look it out and see if I can shed any light on the subject.
Do you already have an external antenna to use on your Z660?

Palfers wrote: ↑Wed Aug 21, 2024 7:56 am Hi thanks for your reply. I’m a bit puzzled then as to what to do next? It worked fine before I updated. Did it through the Garmin site so assume it’s authentic?

May be a silly question but do you have Garmin Express and Mapinstall on your PC/laptop?

Welcome to Zumo User forum Palfers. Like yourself, I have an aged 660 LM on which I have only recently updated the maps to 2025-10. The update shows 5.1GB which is too big for the Z660 internal storage. I used MapInstall to update the maps to my SD card (32GB) but your 16 GB SD card should be plenty...

Have a look here--page 44. Press power button and hold for 8 seconds.
viewtopic.php?t=37

Hi all the 550 uses NT maps. Does that mean there is one last update? only there has been no updates for ages My 660 is only a slightly more recent model than your 550. I just looked on Express and there's a 2025.10 version of the NT maps available to install. Have a look on Express, maybe there's ...

Thanks kernowing. That will do. Interested in knowing how Autocom and Chainspeed works for the moment. Are they both out of business? One can´t reach there webbsights. Good to knew in case of needing more spareparts to my Autocom system. There are tons of other bluetoothmaker in the world. Some of ...

Hello XT and Autocom users. I have just had the same problem. Bought an XT2 and notice that i need a BT-unit. I understand that a BTM03 is the solution but I can't find anywhere to buy it. The seller in Sweden has stopped. On Automom UK, the online store is not reachable. Does anyone know where I c...

Welcome to the Zumo User forum QuantumQuartz. Plenty of helpful members to help with your new Zumo (should you need it).

alan sh wrote: ↑Thu Apr 11, 2024 11:36 am Just a small update. I've removed the interphone and gone back to Autcom. The sound was way too low and it would disconnect given half a chance.

Alan

Exactly what I did Alan. My missus couldn't get on with the fiddly stuff. Autocom is reliable and robust