GPSr Data
From GotWiki
Ahh, yes: We do have to get waypoints into the GPSr, as well. This is a fairly trivial exercise, depending on your unit - but there are 'extra steps' which can make it a bit more useful. For example, I have downloaded and am using the geocaching.com icons for the various cache types (multi, puzzle, virtual, earthcache, etc) with the exception of the 'traditional' cache - since the GPSr treats those two icons (geocache, and geocache found) as 'special'. These (most common) caches invoke the 'geocaching mode' within the device: e.g. bring up the find geocache page, with the notes and found button - plus add them to the calendar when found, automatically navigate to the next nearest cache after finding one, etc.
To do this with a Garmin 60-series (and probably others) - you need to use the xImage utility, which allows you to upload customized waypoint symbols into the GPSr. You'll want to drop these same symbols into GSAK, and then 'map' them, by name / type, to the corresponding caches (e.g. Multi Cache = Custom Icon 1, Letterbox = Custom Icon 4, etc). Rather than trying to document this one-time process here (which would require refreshing my memory on it well enough to describe it) - I'll just provide a link to a description of the process - as well as this other site which contains details, download links, tips, and even video instructions.
I'll go into more detail later - but you'll want to use GSAK to filter your 'pool' of unfound caches to the 1000 (or whatever limit your GPSr has) caches that are of interest to you at any given point in time. This could be the 1000 closest to home, or along a particular route (say, the drive up to Tahoe), or a complex combination of both.
I've seen dgreno using an advanced option, to include the status of the cache in determining the icon used when exported to the GPSr (for example, if greater than 2 DNFs on a particular cache, export it with the Skull and Crossbones icon, instead of a traditional cache) - so that you can tell with a glance at the map, if a cache has been DNF'd recently. This can really save some time - but I've struggled with getting it configured just the way I want it, so I'm not currently doing this. I just set the icon based on type.
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