eTrex Owner’s Manual 23Geocaches• To enter a comment aboutlooking for the cache orthe cache itself, select AddComment, enter a comment,and select Done.chirp™chirp programming and searching isavailable on the eTrex 30.A chirp is a small Garmin accessorythat you can program and leave in ageocache. Only the owner of the chirpcan program a chirp, but anyone canfind a chirp in a geocache. For moreinformation about programming achirp, see the chirp Owner’s Manual athttp://www.garmin.com.Enable chirp Searching1. Select Setup > Geocaches.2. Select chirp™ Searching > On.Finding a Geocache with achirp1. Select Geocaches > menu > Showchirp™ Details.2. Begin navigating to a geocache(page 22).When you are within 33 feet (10 m)of the geocache that containsa chirp, details about the chirpappear.3. If available, select Go to navigateto the next stage of the geocache.