I n t r o d u c t i o n8■ Bluetooth wireless technologyThe Bluetooth wireless technology makes it possible to connect compatiblecommunication devices without using cables. Please refer to the user guide ofyour phone for a more detailed description of Bluetooth wireless technology.■ Bluetooth passcodeYou need a passcode for pairing the GPS module with a compatible deviceusing Bluetooth connectivity. The passcode is 0000.■ External antennaSometimes the performance of the GPS module may be unsatisfactorybecause of nearby obstacles blocking the satellite signals. Theperformance of the GPS module may be improved by using an externalantenna with a male MCX-connector and a 3-V input.Plug the external antenna into its connector (5) on the GPS module. Seepage 9.EN_LD-1W_0903389_3Mar05.fm Page 8 Friday, March 4, 2005 10:10 AM