[time-nuts] Need some help with Motorola Oncore VP Back in Binarymode

[Randy Warner]

Don,

Not a problem.

8 channel VP's are capable of sending out 6 channel messages just fine.

Go to Rick Hambly's site:  http://www.cnssys.com/Tac32/ and download the
eval copy of SynTaC. Actually, lots of the guys on this group probably have
a copy already. Hook up your receiver and start TaC32. If the serial port is
Com 1 the TaC32 program should start displaying data as soon as the eval
splash screen is gone. If not, go into the <Edit> menu and set up the GPS
interface for the right Com Port request the "Mot Bin" protocol, and then
press <OK>. Tac32 should automatically poll the VP until it figures out what
mode it is in (in your case NMEA) and then flip it to binary. If you have an
antenna plugged in you should see satellite tracking, GPS fixes, etc. If you
look in the lower right hand corner of the main window you should see
something like: Motorola VP, 8 Ch, has DGPS..... I can't remember the actual
wording. By default TaC32 enables the 8 channel @@Ea and @@En messages along
with the @@Bb messages. To switch to 6 channel mode, click on <Data>, <Set
Receiver Parameters>, and under "Special Purpose Modes" select "6-Channel
Mode". When you click on <OK> Tac32 will turn off @@Ea and @@En and turn on
@@Ba and @@Bn. @@Bb will stay the way it is. The lower right hand corner of
the main window should now indicate that you are in 6 channel mode. The
Z3801 should now work fine.

About the battery: Just dragging down the battery will not clear the message
formats on a VP. On the VP's all of the set-up info was stored in EEPROM.
The only way to change things was to overwrite (as we just did here) or
default the receiver with the @@Cf message.

Let me know if you have any problems.

Randy


-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Don Garlick
Sent: Friday, March 09, 2007 2:37 PM
To: time-nuts at febo.com
Subject: [time-nuts] Need some help with Motorola Oncore VP Back in
Binarymode

Hello I need a little help

 

I bought a Oncore VP board with 8 channels for my Z3801

 

http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=250082966589&sspagena
me=ADME:L:RTQ:US:1 

 

Motorola P/N: B8221Z1116

 

This has a battery in it.

 

It was tested by the seller by placing in the NMEA mode and left it in
NMEA mode.

Now the board he used to talk to it has failed so he cannot change it
back.

 

After I could not get it to work I tried draining the battery down to
.07 volts.

 

I still could not get it to work in the Z3801 

 

Put the old 6 channel back in and it works again

 

http://gps.garlickfamily.org 

 

Can anyone tell me how to get it out of NMEA and back to binary?

 

Thank You

Don

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