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The Smarter Failsafe

SmartSafe™ prevents unexpected motor startup when connecting the battery and shuts off the motor if the signal is lost. Failsafe positions for all channels are stored during binding. If the receiver is turned on before the transmitter, the receiver will not output a signal to the throttle channel, preventing the ESC from arming. When the transmitter is turned on and the throttle is placed in the low throttle position, the receiver transmits a low throttle signal to the throttle channel, allowing the speed control to arm. After connection, if the signal is lost, the throttle will go to its preset failsafe position (low throttle), while all other channels will hold their last command.

Spektrum receivers used in complex aircraft requiring many channels offer the choice of a standard user-defined failsafe mode or SmartSafe.