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[aprssig] Magic string to force D700 to power up?

AC7YY ac7yy at aikenco.net
Sat Feb 10 02:20:51 UTC 2007


Will the radio accept the 'magic string' while in packet mode?

 

Kim - AC7YY

 

  _____  

From: aprssig-bounces at lists.tapr.org [mailto:aprssig-bounces at lists.tapr.org]
On Behalf Of Wes Johnston, AI4PX
Sent: Friday, February 09, 2007 8:20 AM
To: TAPR APRS Mailing List
Subject: Re: [aprssig] Magic string to force D700 to power up?

 

the magic string is

PS 1    for on
and 
PS 0    for off.

Wes

On 2/9/07, J T <w0jrt at yahoo.com > wrote:

Jason Winningham < jdw at eng.uah.edu <mailto:jdw at eng.uah.edu> > wrote:

> You know, sometimes when I plug my d700 in, it comes on, and other > times
it does not... 

Mine is consistent: it never does.

I put together a little microcontroller circuit that sends the magic 
string for powering on to the D700 serial port.

My list of things to do includes building a new circuit that watches 
vehicle power and turns the D700 off and on as appropriate. I may 
not get to that one for a while, since what I have now works. (:

I have done this using a relay with a time delay and also had the problem of
the D700 not coming on consistently when power is applied to it.  Eventually
it became consistent like yours, never coming on.  It was fixed by doing a
full reset.  Thankfully all of the memories and menu settings were easily
restored thanks to MCP-D700.

What is the magic string?  That might be useful information to have in the
future if it acts up again.

-Jerome, W0JRT

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