Zingui 84.2 Left hand side4.2.1 DC power connector (1)The DC power input is used to power and charge the Zingui. Do not use anotherpower adapter than the one that is delivered with the Zingui. Using anotheradapter could damage the internal circuits or battery.4.2.2 Headphones (2)This is a 3.5 stereo mini-jack input connector for headphones.4.2.3 USB port (slave) (3)The Zingui has two USB ports: a master and a slave. This mini USB port is theslave port. It is used to connect the Zingui to a computer to allow exchange ofdata between the computer and the Zingui. Do not attempt to connect akeyboard or a mouse on the mini USB slave port.For more information on how to import and to export files see the MindExpress 4 manual on chapter 1 ‘Getting started with Mind Express’.