121210iCN 530 | User ManualGetting startedBack ComponentsComponent Description1 External AntennaSocketConnection socket for GPS mMCX External Antenna (not included).Protected by rubber cover.2 Speaker Outputs voice commands and warnings. Use the Volume controlto adjust.Top ComponentsComponent Description1 Power Turns the iCN on or off.When off, the iCN enters a suspended state.2 Stylus Used to tap the screen to make selections and enter information;Pull out of the slot to use; store in the slot when not using your iCN.