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                          BTDir - BLUETOOTH TELESCOPE CONTROL For Skywatcher / Orion mounts: The adapter has 2 modes of work: TTL Mode and RS232 Mode Connected directly to the mount`s body bypassing the Synscan hand controller (with the switch in TTL mode) Connected to the Synscan hand controller (with the switch in RS232 position) In both cases the adapter is autopowered from mount`s or Synscan hand controller. You will need tu use the apropiate software depending if you connect via mount`s body or Synscan hand controller according to this table; For other mounts: For the rest of the mount`s like Celestron, Meade and Losmandy the adapter must work conected to the mount`s RS232 connector that is usually a RJ11 / RJ12 connector located on the mount`s body or hand controller, this mode of work will give you direct control from Skysafari and similar android APPs. For this kind of mounts that has no on-port VCC external power is needed, you need to use BTDir on board micro-USB power in, its accept voltage ranges from 5 to 24V. PC Operation: Once an standard bluetooth dongle is installed on your PC (or the one with your laptop become installed) it creates a wireless serial COM port on your PC, the conection between BTDir  and planetarium software is made throught this bluetooth dongle COM port. In order to use the bluetooth adapter you need first to pair your PC with BTDir adapter, by default the buetooth adapter settings are: Discover name: BTDir Password: consists on a 4 digit numerical password that will be send with your purchase to avoid unallowed pairings. Baud rate: 9600, 8, n, 1 That is the usual standard baudrate config that planetarium software works. When succesfully paired all conections will be made from Bluetooth outgoing port, you can see what COM port number has been asigned to BTDir on Control Panel --> Device Manager or bluetooth aplication properties tab. Telescope mount compatibility BTDir EQ6                                         Skywatcher EQ6 / NEQ6 BTDir HEQ5                                      Skywatcher HEQ5 AZ-EQ3 AZ-EQ5 AZ-EQ6 EQ6R-PRO EQ8 BTDir AZ                                            Skywatcher AZ Dobsonians BTDir Nexstar                                    Celestron CGEM CGE CPC SLT SE CGX VX CG4 BTDir Astromaster                             Celestron Astromaster BTDir ETX                                         Meade ETX LX90 LXD55 LXD75 LX850, Bresser EXOS2 BTDir LX200                                      Meade LX200 Classic GPS *Custom cable making for other mounts or aditional cable purchasing is available, just mail to with information about your mount model.  
BTDir Adapter Model:
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