Starlink and JAC users should not redefine these variables under normal circumstances because they are correctly set by their user logins. They are included here for reference only.
The location of the ORAC-DR software directory. This is normally set by a login script.
The instrument under whose environment ORAC-DR should run. Normally this is set by the appropriate instrument script in ORAC_DIR/etc/
The location of the ORAC-DR perl libraries. These are normally in ORAC_DIR/lib/perl5.
The e-mail address of the person who supports ORAC-DR for $ORAC_INSTRUMENT. This is used in the splash screen. (This was formerly the JAC contact name and assumed a JAC e-mail address $ORAC_PERSON@jach.hawaii.edu.)
The default type of looping scheme that should be used for online reduction of ORAC_INSTRUMENT. This is used in the splash screen.
The Starlink User Note number that documents the data reduction for ORAC_INSTRUMENT. This is used in the splash screen.
ORAC-DR: Overview and General Introduction