This script was written for times where you need to use your camera for surveillance or for extended astrophotography sessions, etc. This script will run until you interrupt it by any means available. Use with caution! See the documentation below. Documentation/Help (save as a small "intvl-nolimit.txt" file to your /CHDK/SCRIPTS/ folder) This problem seems to be fixed now in version test1-pre12-xxxx-100a-65 (changeset 149). Script Code (save as "intvl-nolimit.bas" to your /CHDK/SCRIPTS/ folder)