# PDFADJUST Command [GstarCAD 2022](Help%20System/GSTARCAD/2022/Index.md) → [Commands](Help%20System/GSTARCAD/2022/Commands/(Commands).md) → [P](Help%20System/GSTARCAD/2022/Commands/P/(P).md) ## Function Description: This command is used to adjust the Fade, Contrast and Monochrome settings of a PDF underlay. Users can change the default values for Fade, Contrast and Monochrome for a single or multiple PDF underlays. To confirm the settings on a selected PDF underlay, use the Properties palette. ## Command Access: > **Icon:** / > **Menu:** / > **Ribbon:** / > **Toolbar:** / > **Command:** PDFADJUST > **Alias:** / ## Command Prompts: Select PDF underlay: