Thanks for the suggestion Stuart. It looks like the Garmin is running at 4800. Now to set my FreeBSD box to look at /dev/cuau0using 4800 baud.
godzilla# godzilla# cu -l /dev/cuau0 -4800 Stale lock on cuau0 PID=92526... overriding. Connected PGSV,3,3,12,20,00,163,00,21,00,013,00,22,00,051,00,23,00,182,00*73 $PGRME,,M,,M,,M*00 $GPGLL,3903.1228,N,07729.0854,W,000236,V*2A $GPVTG,,T,,M,,N,,K*4E $PGRMV,,,*72 $PGRMF,,,010116,000236,,3903.1228,N,07729.0854,W,A,0,,,,*38 $PGRMB,,,,,,K,,,*2D On Sat, Sep 21, 2013 at 10:07 AM, Stuart Berry <[email protected]> wrote: > Hi, > > The manual is on the Garmin website. You can find it here: > http://static.garmincdn.com/pumac/GPS_18x_Tech_Specs.pdf > > You need to read section 4.1.2. > > You could try adjusting your terminal program first to see if you can > fine the baud rate the Garmin is running on as opposed to trying to change > the unit as this can be a little challenging. > > The possible NMEA baud rates are 4800, 9600, 19200, 38400. > > Stuart. > ------------------------------ > *From:* AlbyVA [[email protected]] > *Sent:* 21 September 2013 14:48 > *To:* Stuart Berry > *Cc:* [email protected] > *Subject:* Re: [Pool] Fwd: Sure Electronics vs. Garmin 18 LVC > > Thanks for the suggestion. Any tips on how to modify the 18LVC speed? > I've long since lost any manuals for this device. > On Sep 21, 2013 9:41 AM, "Stuart Berry" <[email protected]> wrote: > >> Could be the baud rate on your Garmin has changed. I know on mine there >> is a way to change this to a value that you wish. All detailed in the >> manual from memory. >> >> Stuart >> >> >> Sent from Samsung Mobile >> >> >> >> -------- Original message -------- >> From: AlbyVA <[email protected]> >> Date: 21/09/2013 14:37 (GMT+00:00) >> To: [email protected] >> Subject: [Pool] Fwd: Sure Electronics vs. Garmin 18 LVC >> >> >> >> >> Does anybody have a suggestion on what might be the issue with my >> Garmin 18 LVC? I did a simple wiring arrangement to make sure nothing >> involving LEDs or Resistors was causing my problems. But in looking at the >> data feed via the COM port, all I see is garbage and can only assume one >> thing, "A busted Garmin Receiver". In comparison I cabled up a Sure >> Electronics board just to make sure the Port, Cabling, etc wasn't a >> possible issue with the problems I'm seeing. >> >> Any suggestions on what might be at fault are appreciated. Here is my >> wiring: >> >> Garmin ---> DE9 Connector >> ======================= >> Yellow ---> Pin 1 >> White ---> Pin 2 >> Green ---> Pin 3 >> >> Power >> ===== >> Red ---> +5V >> Black ---> Ground (All 3 Black Wires) >> >> >> >> COM Port: >> https://docs.google.com/file/d/0B6u8OYdmmJA8THI4NHdNdTRlbTQ/edit?usp=sharing >> >> >> -Alby >> >> >> >>
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