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Flight Log
Flight Log data can help you optimize the control link for your aircraft. Flight
Log data is displayed on telemetry capable Spektrum transmitters.
Using the Flight Log
A
- Fades on main receiver
B
- Fades on remote receiver
L
- Not available on AR8360T
R
- Not available on AR8360T
F
- Frame losses
H
- Holds
Fades
Represents the loss of one bit of information on one receiver. Fades are used to
evaluate the performance of each individual receiver. If a fade value is showing
higher than the others, inspect or reposition the antenna to optimize the RF link.
Frame Loss
A frame loss occurs when one complete data packet is missed. A single frame
loss does not represent a loss of control, but frame losses should be monitored.
In the air it's normal to experience as many as 100 frame losses per minute
of flight. On the ground the number of frame losses will be higher because the
signal is hampered by the dirt and moisture.
Hold
A hold occurs when 45 consecutive frame losses occur. This takes about one
second, and in this event the receiver moves the channel outputs to the failsafe
settings. If a hold ever occurs, it’s important to re-evaluate the system and
check every component. If your system displays a hold, diagnose the cause and
resolve the issue before flying again.
It is normal to see a hold logged if you power OFF your transmitter and back ON.
IMPORTANT:
The Spektrum Flight Log (SPM9540) is not compatible with
the AR8360T receiver.
