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LX9000 Version 2.6
10.2 Rear Seat Device (LX9000D)
In two-seat gliders it is possible to install the LX9000D rear seat device. The LX9000D looks
almost identical to the LX9000. However inside the device there is no GPS or Flarm module.
The rear seat device must be connected only to the LX9000 via the RS485 bus system.
Power is available from the bus hence no external power is needed. The device can be
switched on only when the LX9000 is powered on.
The basic idea of two-seat configuration is that both devices work independently from each
other with the possibility to exchange various data on user request or automatically.
10.2.1 Data Exchange
Because the GPS and Flarm modules are not integrated in the LX9000D this data is received
from the LX9000 digital unit through RS485 bus.
After power on, the LX9000 also sends polar data and pilot information to have them
synchronised in both devices.
The user can define which data will be automatically synchronised between the LX9000 and
LX9000D.
Way point and task databases are not synchronised between the LX9000 and
LX9000D. To have databases synchronised you have to use the SD card and copy
files from the rear to front device or vice versa. See Chapter 5.1.5.4 for how to
copy way point files.
To set up data which is going to be received from the LX9000D, enter the "Rear seat device"
menu on LX9000 digital unit (see Chapter 5.1.12.5).
To define which data is going to be received from the LX9000 go to "Front seat device"
menu in the LX9000D unit (see Chapter 5.1.12.5).
Page 118 of 130
September 2011
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