3.2 Basic image functions

 

Table 3.5

Parameters of Halftone

 

Parameter

value

 

Effect of parameter

Default

 

 

 

 

 

 

Brightness

X’01’

 

Brightest

 

 

to

 

 

 

 

X’80’

 

Normal

X’80’

 

to

 

 

 

 

X’FF’

 

Darkest

 

 

 

 

 

 

 

Contrast

X’01’

 

Mostly soft contrast

 

 

to

 

 

 

 

X’80’

 

Normal

X’80’

 

to

 

 

 

 

X’FF’

 

Mostly sharp contrast

 

 

 

 

 

 

 

Gamma pattern

X’01’

 

Normal

X’01’

 

X’02’

 

Soft

 

 

X’03’

 

Sharp

 

 

 

 

 

 

 

 

X’80’

 

Use download pattern

 

 

to

 

 

 

 

X’84’

 

 

 

 

 

 

 

 

 

Halftone

Dither

 

X’00’

For dark photo

Dither

scheme

pattern

 

 

 

 

 

X’01’

For dark text and photo mix

 

 

 

 

 

 

 

 

 

 

 

 

 

 

X’02’

For light photo

 

 

 

 

 

 

 

 

 

 

X’03’

For light text and photo mix

 

 

 

 

 

 

 

 

X’80’ to X’87’

downloaded pattern *1

 

 

 

 

 

 

 

Error Diffusion

 

 

 

 

 

 

*1 IPC-2D or OPC-3D required. (See section 3.3.5)

 

 

NOTICE: The density of the halftone can not be adjusted by the Threshold in Table 3.4 but be adjusted by the Brightness in Table 3.5.

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