shift
[ -z "$NEGATIVE" ] && src="Flatbed" || src="Transparency Adapter"
[ -z "$NEGATIVE" ] && depth=8 || depth=16
[ -z "$NEGATIVE" ] && resolution=800 || resolution=1600
shift
[ -z "$NEGATIVE" ] && src="Flatbed" || src="Transparency Adapter"
[ -z "$NEGATIVE" ] && depth=8 || depth=16
[ -z "$NEGATIVE" ] && resolution=800 || resolution=1600