4 y6: prescan operation, 5 y7: auto skew correction retain, 6 yb: magnification warning display – Kodak 2400DSV User Manual
Page 98: 7 yc: print reserve function

Function Mode and Adjustment
6
91
6.6.4 y6: Prescan Operation
Select the prescan operation when using an Auto Masking and Auto Skew
correction function.
6.6.5 y7: Auto Skew Correction Retain
Determines whether or not to retain the original (uncorrected) skew of a
screen image after the print has been made.
6.6.6 yb: Magnification Warning Display
Select whether to display the magnification warning when the modification
of the standard magnification by an electronic zoom function.
6.6.7 yC: Print Reserve Function
Select whether to accept the print reserve function while the printer is
warming up.
Display
setting
Function
Explanation
y6
*d0
1 time
Reading speed is quick.
d1
2 times
Although reading is late, but accuracy of
Frame Masking becomes good.
Display
setting
Function
y7
*d0
d1
Retained
Not retained
Display
setting
Function
yb
*d0
d1
Not display
Display
Display
setting
Function
yC
d0
*d1
Not accepts
Accepts