[. . . ] You can also use common USB-Mini USB cable to charge by link M-1000C to laptop. [. . . ] Then a Bluetooth link can be established between a PDA and the M-1000C. When the GPS connection is working normally, the status lamp indicates the status by a flash 1 time/1 sec. You can install the Mini GPS viewer program from the supplied CD to check current positioning and satellite signal reception. enable the Mini GPS viewer , set the Baud rate to 38400 , and press Scan for automatic scanning. Once you find the correct Com Port, choose GPS Status to start viewing. Refer to the "Software Installation" section for details if you have any difficulty with installation and use. <Warning> Do not place the M-1000C under strong sunlight for a long time. Do not place it in a high-temperature environment, or near heat radiating devices such as a stove or radiator. [. . . ] - M-1000C PASSKEY - 0000 (For security, some PDAs will prompt users for the M-1000C Passkey) [. . . ]