Acer p600 Series Portabl e Navigator fundamentalsMain Menu Screen7Main Menu ScreenCommand interfaceUsing the hot keysThe hot keys on your Acer p600 Series Portable Navigator allow users to:• +/- - Control the volume level of sound from the speaker/earphones• NAVI - Toggles between Main Menu screen and Navigation screenUsing the Acer p600 Series Portable Navigator touch screenThe Acer p600 Series Portable Navigator touch sensitive screen allows for a morenatural way of entering information into the device using fingers instead of a stylus -no more wasted time finding a lost stylus or fumbling with an awkwardly shaped one!In this Guide, the tap and hold-and-drag actions are done by:• Tap - Touch the screen once to open items and select options.• Hold and drag – Tap a slider icon and drag it across the screen.