Xtreme Power Systems XtremeLink Installation And Usage Manual page 9

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Figure 6 – XtremeLink 10 channel receiver installation
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The servo connection slots on the XtremeLink receivers are numbered.
There is a slot that is labeled "B/T". This is for a battery connection, and can
also be used for the telemetry sensor data port.
Power and ground are available on every numbered slot. The function for
each channel is determined by the transmitter in use, and not the receiver
itself. For example, throttle control with most JR radios is on channel 1,
while throttle control on most Futaba radios is on channel 3. Throttle output
would be determined by the radio and will change with brands. Keep this
mind when setting up a different transmitter.
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