POS-400 Expander II User Manual Brandname: 4pos Category: Touch terminals Total Pages: 62 Table of contents HowtoUseThisManual2Copyright4Precautions5Contents6Chapter1Introduction8PackageContents10BaseSystem11ExpandableMainDisplay12Dimensions14ConnectorPanel15Precautions16OpeningBaseCover17ClearingCmos18MemoryInstallation21WirelessModuleInstallation27