DIGIPEATING SETTINGS FOR THE D-700                      20 July 2004
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*** Revised 14 April 2005 for the New n-N Paradigm
*** Revised 31 May 2006   for TEMPn-N digipeating

Although the D-700 supports digipeating, care must be taken in how
it is set up and used.  First, we do not, in general, want mobile
digipeaters running around on a routine basis multiplying the
number of packets.  Second, some of the settings have the same name
but work differently from the same settings in other digipeaters,
for example the KPC-3+.  So please heed the following recommendations.

The D700 is confusing, because it allows you to use the front panel
to set DIGI ON or OFF and to make entries in the UIDIGI Alias list,
but you cannot change the UIFLOOD or UITRACE parameters that support
WIDEn-N digipeating from the front panel and require a serial cable
and PC to change them.

FRONT PANEL MENU CONTROLS:

DIGI OFF:  In general we do not want mobiles multiplying the number
of packets flying around.  Keep your digi OFF.  If you must have it
on, then enable ONLY with the setting of UIDIGI WIDE1-1, no  more.

UIDIGI:  Defaults to UIDIGI RELAY,WIDE.  These are obsolete under 
the New n-N Paradigm as RELAY and WIDE have no dupe-elimination
mechanism under 3 hops and were the cause of tremendous dupes on 
the APRS system.   Do not enable for anything more than just WIDE1-1
and only if operating as a FILL-IN digi.  If you are parked on a
hill and do need to termorarily support digipeating for more than
just WIDE1-1, but don not have a PC to activate UIFLOOD or UITRACE,
then you can temporarily add other aliases for this event such as
WIDE1-1, WIDE2-2, WIDE2-1, and WIDE3-2 etc. THus you can temporarily
support digipeating (but only for 1 hop).  These digipeats will be
callsign substituted after your transmission and will go no farther.

TEMPn-N DIGIPEATING:  To make it easy to use a D700 mobile as a
multi-hop digipeater on an immediate basis, we have introduced the 
concept of TEMPn-N digipeating.  This means that we encourage all
D700 mobiles to permanently set their UITRACE parameter to TEMP.
THat is "UITRACE TEMP" is the command you provide at the command
prompt on the serial port to enable the D700 to always digipeat any
TEMPn-N packets.  THis makes them instantly useable at ahy time
by anyone with the path TEMPn-N.  Sort of an invisible backup
network ready to be used at any time a D700 is in range.
Leave this set permanently so that it is there if needed.


SETTING THE D700 as a FULL FUNCTION DIGIPEATER VIA THE SERIAL PORT:

If you want to set the D700 to act as a full function digipeater
then use the following settings.  But PLEASE note, that you must
use your serial port and a PC to disable these settings if you
ever take this D700 mobile again.  So use these commands with
caution and full intent of setting up a permanent digi only.

UIFLOOD:  This command has a bug and should NEVER be used with NOID.
Fortunately with ID on, it works identical to the KPC-3+ digipeaters
and will support the SSn-N system.  Just set "UIFLOOD SS,30,ID" to 
support SSn-N digipeating for your State or Section.  Notice this 
receommendaton TO use ID and to never use NOID is exactly opposite of 
the recommendations that used to be in place before the New-N-Paradigm.  
So remember, UIFLOOD should have ID in the D700.

UITRACE:  Under the new n-N paradigm, WIDEn-N is now supported in
the UITRACE parameter so that all WIDEn-N paths are traceable.
Set "UITRACE WIDE"

For more information on the New n-N Paradigm, see the web page:
http://www.ew.usna.edu/~bruninga/aprs/fix14439.html

But PLEASE Disable UIFLOOD SS and return UITRACE from WIDE back to TEMP
when this D700 is not being used explicitly as a fixed digi.  Otherwise 
it will add QRM to the network


FIELD DAY and OTHER SPECIAL EVENT OPERATIONS WITH TEMPn-N:

The permanent use of "UITRACE TEMP" to support TEMPn-N digipeating
not only gives us an instant temporary alternate network for FIeld
Day on 145.01 for that day, but also then gives us a permanent
shadow network all the rest of the time on 144.39 that anyone
can use as a first hop if they cannot get out with WIDE1-1 or
WIDEn-N.

DEBUGGING the UIFLOOD-ID PARAMETER:  For example, if you are receiving 
a local station sporadically with a variety of -13, -14, -15 SSID's 
then there is a D700 somewhere with UIFLOOD set with NOID enabled.  Find
it and fix it to ID, or better is to disable UIFLOOD completely and
set "UITRACE TEMP" to support only TEMPn-N digipeats.

WARNING:  The UIFLOOD and UITRACE parameters can only be set with
an attached PC.  And once set, the radio will remember it always.
The only way to turn it back off is with the PC again.  So be
very careful and very intentional when messing with these parameters
in the D700, or set UITRACE TEMP,30 and dont worry ever again.

de WB4APR, Bob