Chapter 1 - IntroductionWalkAbout Computers HAMMERHEAD 3 User’s Guide – v021101 15Back ViewIrDA Port:Industry standard 1.1 infrared communications port for use withother infrared equipped devices. The IrDA port is configuredthrough the Microsoft Windows Control Panel or by doubletapping on the IrDA icon located on the task bar in the lowerright hand corner of the desktop.Coaxial Connector:Depending on the machine configuration, there may be acoaxial antenna connection on the upper right hand side of thehousing. The coaxial connector will allow you to connect anexternal antenna to an internal radio or GPS solution.Docking Connector:The docking connector provides for all externalcommunications with the unit. It connects to a port replicator ordocking station.Battery Compartments:There are two battery compartments designed for convenient,hot swappable battery replacement while in the field. See theBatteries and Charging Procedures section of Chapter 2:Hardware Operation for instructions on changing batteries.Hard Drive Compartment:The hard drive compartment allows field upgrades or repairswithout opening the HAMMERHEAD 3. Some customers mayhave IT Departments that will be trained to replace hard drivesat the customer location. You should not open the harddrive compartment without the proper training fromWalkAbout Computers. Any tampering of the hard drivewill result in a void warranty.Chapter 1 - IntroductionWalkAbout Computers HAMMERHEAD 3 User’s Guide – v021101 16Bottom ViewBottom Guide Pin Holes:The bottom guide pin holes are used to align the computerwhen placed in either a vehicle, desktop, or wall-mount dockingstation. Simply insert the computer onto the gauge ball guidepins and tilt the computer back until the docking connectorsengage.ConnectivityMost often connectivity with the HAMMERHEAD 3 is via the dockingconnector on the backside of the unit. Most units ship with a portreplicator, DESKDOCK, or HAMMERDOCK vehicle dock that providesstandard ports for communications, keyboard, and power supply. Portreplicators and docking stations may be customized to yourrequirements and may not be configured exactly as described below.Port ReplicatorsThere are several variations of port replicators (flat, angled,custom, etc.) New connectivity options are constantly indevelopment. The following features are available on thestandard port replicator.