Binding Multiple Receivers; Fail-Safe Function - GRAUPNER GR-18 Manual

• Switch the transmitter's RF section of in the "Basic model settings" menu.
• Switch the receiver on, and press the SET button to set it to Bind mode.
• Initiate binding in the transmitter's "Basic model settings" menu.
• The red receiver LED should go out within about ten seconds. If it does, the binding process has been completed
successfully.
• Your transmitter / receiver combination is now ready for use.
• However, if the red LED continues to glow, then the binding process has failed. If this should happen, repeat the whole
procedure.
2.1.1. BINDING MULTIPLE RECEIVERS PER MODEL
If necessary it is also possible to bind more than one receiver to a particular model. First bind each receiver individually as
described earlier.
When the system is actually in use, the receiver which was last bound acts as the Master unit, and any telemetry sensors
installed in the model must be connected to this receiver, as only the Master receiver transmits the data to the ground
using the downlink channel. The second - and any other - receivers operate in Slave mode, in parallel with the Master
receiver, with the downlink channel switched of.
The channel mapping function of HoTT telemetry also allows the control functions to be divided up amongst multiple
receivers, or alternatively the same control function to be assigned to multiple receiver outputs. For example, this is useful
if you wish to actuate each aileron with two servos instead of just one.

2.2. Fail-Safe FUNCTION

In the receiver's default state, all connected servos remain in their last valid position ("Hold" mode) if a fail-safe situation
should arise. In fail-safe mode the red LED on the receiver lights up, and the transmitter generates an audible alert by
beeping at a rate of around one per second.
You can exploit the safety potential of this option by at least setting the throttle position (for internalcombustion
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