JUpon delivery, the chunk directory is initialized for the set of 1600 BPI Ctapes. The chunk directory needs to be modified for the following conditions:.lt4-6250 BPI set of tapes containing the IRTM database.F-2 CDROMS containing the Viking IRTM, MAWD, and the Mariner 9 Infrared Radiometer databases..elFRefer to section 2.4 (system installation) for instructions of how to Lmodify the Tape list and Chunk directory for the appropriate input device. LA complete section on how to modify the Chunk directory is in section 3.2.2.PIf an operator is not available to mount a tape for the user, then the user willGeither mount the tape themselves or have a knowledgeable party mount it for them.NDuring installation the command files RAD$COM:RADINIT and RAD$COM:DEFINE must Ibe modified to properly point to the appropriate physical online storage devices.