DSR stands for Digital Signature Recognition and is used by FMA's FS5 and FS8 dual conversion FM receivers. It's claimed to provide the ultimate protection against crashes when used along with FMA's Co-Pilot Flight Stabilisation System.
The DSR receivers block the interference by memorising the actual transmitter's unique signal frame and rejecting all the others, even if they are in the same frequency...!
For further safety the receivers' Pre-flight Interference Check detects and warns the pilot if there's another transmitter on the same frequency.
When turned-on these receivers analyse the data stream and automatically
checks for:
-positive or negative shift
-valid number of pulses (and stores this)
-valid frame length
-valid pulse widths
If a frame is damaged, the system invokes three levels of error correction to attempt to restore the data. If the data fails to be restored for 50 consecutive frames, the failsafe mode is enabled which sets the servos to either the "last good frame" or the pre-set positions depending on the pilot's choice. The Co-Pilot will hold the wings and nose level enabling the model to fly in a stable and predictable flight path, giving the pilot time to find the problem and/or to warn the spectators.
These receivers also include extensive flight data reporting capabilities via PC
while the most critical data can be read directly from the receiver.
The DSR receivers block the interference by memorising the actual transmitter's unique signal frame and rejecting all the others, even if they are in the same frequency...!
For further safety the receivers' Pre-flight Interference Check detects and warns the pilot if there's another transmitter on the same frequency.
When turned-on these receivers analyse the data stream and automatically
checks for:
-positive or negative shift
-valid number of pulses (and stores this)
-valid frame length
-valid pulse widths
If a frame is damaged, the system invokes three levels of error correction to attempt to restore the data. If the data fails to be restored for 50 consecutive frames, the failsafe mode is enabled which sets the servos to either the "last good frame" or the pre-set positions depending on the pilot's choice. The Co-Pilot will hold the wings and nose level enabling the model to fly in a stable and predictable flight path, giving the pilot time to find the problem and/or to warn the spectators.
These receivers also include extensive flight data reporting capabilities via PC
while the most critical data can be read directly from the receiver.
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