Index: trunk/ippconfig/megacam/phase2.config
===================================================================
--- trunk/ippconfig/megacam/phase2.config	(revision 6868)
+++ trunk/ippconfig/megacam/phase2.config	(revision 7532)
@@ -2,12 +2,14 @@
 
 # List of tasks to perform
-MASK		BOOL	TRUE		# Mask bad pixels
+MASK		BOOL	FALSE		# Mask bad pixels
+MASK.VALUE      U8      0x10            # only mask pixels matching this bitmask
+
 NONLIN		BOOL	FALSE		# Non-linearity correction
-OVERSCAN	BOOL	TRUE		# Overscan subtraction
-BIAS		BOOL	TRUE		# Bias subtraction
-DARK		BOOL	TRUE		# Dark subtraction
-FLAT		BOOL	TRUE		# Flat-field normalisation
+OVERSCAN	BOOL	FALSE		# Overscan subtraction
+BIAS		BOOL	FALSE		# Bias subtraction
+DARK		BOOL	FALSE		# Dark subtraction
+FLAT		BOOL	FALSE		# Flat-field normalisation
 FRINGE		BOOL	FALSE		# Fringe subtraction
-SOURCE		BOOL	FALSE		# Source identification and photometry
+PHOTOM		BOOL	FALSE		# Source identification and photometry
 ASTROM		BOOL	FALSE		# Astrometry
 BIN1.FITS	BOOL	TRUE