1. For Macs, open a Terminal (On PC's use Putty http://www.chiark.greenend.org.uk/~sgtatham/putty/)
2. ssh vicki@seaspray (enter secret password)
3. cd /opt/vars/bin
4. ./dive_merge vehicle dive trueorfalse (true for HD, false for SD)
5. example: ./dive_merge 'DocRicketts' 82 true
or ./dive_merge Ventana 1265 false

Note Doc Ricketts needs quotes around it-