Chapter 1 Getting Started12 Copyright 2006 unitech Electronics Co., Ltd. All rights reserved. unitech is a registered trademark of unitech Electronics Co., Ltd.Calibrating the PA600 ScreenThe calibrate screen automatically appears when the unit is powered-on for the firsttime or after the system is reset.To calibrate the screen at any time, follow these instructions.1. Tap Start ā Settings, and then switch to System tab.2. Tap the Screen icon.OrPress Func key and ESC key simultaneously.The Screen Settings window appears.This Window enables you to customize the screensettings.3. Tap Align Screen to calibrate the screen.The align screen window appears.4. Tap the cross hair firmly and accurately.