From: dale@sequent.com (Dale Mosby)
Subject: DJ-580 HT review/info (long)

I was asked about modification of the DJ-580 for out of band operation.
They couldn't have made it much easier:

- Remove battery pack.
  Use a small philips screwdriver (ie. jeweler size) to remove the 4 screws
  that hold the metal battery slide on the radio.  These are at the outer 
  corners of the metal clip.
- Gently lift off the metal clip.  Note that the two power wires are
  on this so don't pull it too far off.  Also note that there is a small
  metal tab on this clip that is inserted in the battery release slide.
  You will want to insert it back in the same hole when you replace the
  metal clip.
- You will see a small RED wire loop as well as a small BLUE wire loop.
  You can gently pull these up with some needle nose pliers.  Cut the
  loops and then cover the ends so they don't contact anything.  My
  method was to cut them not quite at the top, so one wire was a bit
  longer than the other.  I then slipped a small piece of heat shrink
  tubing over the wires so the ends could not contact each other again.
  This is probably adequate. I took a CLEAN soldering iron and used that
  to shrink the tubing a bit just so it wouldn't move.
- Push the wire loops back into the radio.  The metal battery clip will
  push up against the circuit board running down the center of the radio
  so you don't want the wire loops crossing over the circuit board.
- Replace the metal plate -- remember to stick the projection into the
  small hole on the battery release slide.
- Replace the battery pack and reset the radio.  You reset the radio by
  holding the function key down and turning on the power.  Note that 
  this clears all memories, so make the mod early -- this thing has
  40 memory channels - a lot to reprogram.

I cut both jumpers.  Documentation I have, as well as verbal instructions
was that the RED jumper opens up the out of band receive -- aircraft
and cellular, while the BLUE wire opens up the out of band transmit.
You certainly can't transmit in the aircraft or 800 band, I don't
know just what transmit limits are, don't have any reason to stray
outside of the ham band.

  Dale Mosby   N7PEX