[CLEAN\]SPECIFY Keyword [Values...] [/FOR SicVariable]
Specify or modify some information in internal buffers or in a Sic Image
Variable.
Recognized values for Keyword are BLANKING, FREQUENCY, LINENAME, VELOCI-
TY, TELESCOPE
If present the /FOR option indicates which buffer or Image variable
should be affected. If no /FOR option is given, all relevant available
buffers are affected (CLEAN, DIRTY, UV, etc...)