115PS Gamma AdjusterYou can adjuster the printer half - tone density and the print densityof photos.Note! • The printing speed may be slow if halftone adjustment is used. Ifyou want to prioritize the speed, select [None] from [Adjuster Half-tone].• Depending on the application, the Dot Gain Correction or Half- Tone Adjustment may be set at the time of printing, or thosefunctions may be included in the EPS file. If using this kindof function on the application side, select [None] in [AdjusterHalftone].Operating environmentRunning of the Mac OS X 10.6.8 10.9 of MacintoshMain methods of use• Adjuster the printing density of photographsSet the Software DVD - ROM in the drive.①①Click on the [Utility] - [Halftone] - [②① PS Gamma Adjuster] tab.Click on [③① New].Adjuster the half - tone with any of the following methods, enter④①the name into [Gamma Curve Name], and then click [Save].Memo • Directly carry out operations to graph lines.You can drag and click on lines. Perform an adjustment bymoving the control point.• Enter the gamma value.Enter the gamma value and click on [Gamma Setting]. Asmooth curve is automatically created with 13 points andhalf - tones are adjusted. You can set a value between 0.01and 99.99. Values greater than 1.0 are weaker half - tones,smaller values are stronger.• Enter values into each density textbox.Confirm that the PPD file with the half - tone adjustment regis-⑤①tered is selected.If a different PPD file is selected, click [Select PPD], and selectthe target PPD file.Click [Add⑥① ].The new half - tone adjustment name is displayed in the regis-tration list on the right.PS Gamma Adjuster7
