[aprssig] [SPAM] Re: Messaging on the NUVI GPS

Jesse (KC5LOS) kc5los at yahoo.com
Wed Sep 3 19:11:11 CDT 2008

I was thinking the same thing! If the T2 will work like UI-View and the 
D710 pass traffic to the Nuvi thru the T2 as if it were UI-View with the 
menu turned on then I should have the Cake and eat it as well. I really 
am not concerned about the waypoints and it they show up with the 
correct icons. Nuvi wasn't really designed for APRS anyways. But with a 
callsign you have a idea if the icons are close.

If I read the UI-View group correctly they were able to be in APRS mode 
on the D710 and see traffic in UI-View and still message as well. Even 
if messaging doesn't work I still use the keypad on the '710 but I can 
see what is close to me. I think what comes outa the serial port on the 
back of the control head is APRS packet traffic and the T2 should be 
able to decode that? But the T2 is also looking for packet burst as well 
not somthing that has already been decoded....

Thanks Scott for the Update. I'll wait for the translator for the 710. 
Really what I am looking for. Didn't want alot of hardware or atleast 
more than what I already have!

Kai Gunter Brandt wrote:
> Scott Miller skrev:
>>> Are you using the 2.5mm jack connector for this?
>> Yes.
>>> If yes is it possible to use the "PS2" jack from the TNC on the 710 so 
>>> that you can use the NUVI to send messages?
>> Maybe.  I don't actually have a D710 myself.. not yet, anyway.  I'm not 
>> really clear on what can be done through the other connectors.  Is there 
>> a way to get it to send a message through the serial interface?
> When the 710 is in APRS mode you can get all the data from the TNC on 
> this PS2 connector as long as you enable menu 604 "COM PORT OUTPUT: ON"
> And yes it's possible to send messages from the 710 via the same 
> connector even when the radio is in APRS mode.
> I have made a program doing this. The 710 is working in APRS mode and i 
> can choose to enter messages via the radio or from my program.
>>> Tracker2 is overkill if you are using a 710 ;o) So a smal translator 
>>> board interfacing the 710 with one PS2 connector and one 2.5mm
>> Well, it's not going to be on this first version at least.  The board is 
>> really small..  I had to go with a QFN package to get the MCU to fit. 
>> That's going to be fun to solder for the first few prototypes.
> i'm just fishing here ;o) but i take it that this is possible so maybe 
> maybe after all other projects you have :o)
> Kai Gunter
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