(f)Brightness: Byte 16

Specifies the brightness for halftone (Byte 19=X©01￿) output.

Value (Hex)

Brightness

 

 

 

00

Default: same as value X©80￿.

 

 

 

01

Brightest

 

Normal

 

 

80

FFDarkest

(g)Threshold: Byte 17

Specifies the threshold value for the line art (Byte 19=X©00￿).

Value (Hex)

 

Threshold

 

 

 

00

Default:

 

 

f

without IPCII option

 

 

 

- Same as value X©80￿.

 

 

f

with IPCII option

 

 

 

- Dynamic threshold, or simplified

 

 

 

dynamic threshold

 

 

 

01

Brightest

 

Normal

 

 

80

FFDarker

(h)Contrast: Byte 18

Specifies the contrast value for the line art or the halftone.

Value (Hex)

Contrast

 

 

 

00

Default: same as value X©80￿.

 

 

 

01

Mostly soft

 

Normal

 

 

80

 

Mostly sharp

 

 

FF

 

 

 

4 $ 43