In this not so quick tech tip video, Tom dives deep into the Flight Log telemetry screen! This screen is essential for producing the most efficient and effective range and reception in your Spektrum equipped models.
The Flight Log provides an intuitive analysis of the overall performance of the radio installation.
Some of today’s models can be very demanding. The Flight Log ensures that your system is working properly and you have optimized the radio installation.
The Flight Log provides the following information:
• Receiver Pack Voltage • Antenna Fades
• Frame Losses • Holds • Receiver Sensitivity (dBm) • RSSI • Range %
• An antenna fade represents a loss of a bit of information on that specific antenna.
• A frame loss represents simultaneous antenna fades on all attached receivers.
• A hold occurs when 45 consecutive frame losses occur. If a hold occurs during flight, it’s important to re-evaluate the system, move the antenna to a different location and/or check to make sure the transmitter and receivers are all working correctly.
Guidelines for DSMX
• Holds-Holds are unacceptable. If a hold occurs, please investigate and correct the issue before next flight.
• Frames- less then100 - In conventional models during a 10 minute flight, frames
should typically be less than 100 on all receivers.
• Fades-Use Fades for comparison only. All attached receivers should have
similar Fades. If not, investigate poorly performing receivers (location, antenna orientation, etc) and correct.
Operational Differences between DSM2™ and DSMX® receivers while
using the Flight Log:
DSMX is frequency agile while DSM2 finds two quiet channels and remains
on those channels. Consequently, because DSMX operates on quiet and noisy channels, it’s common to have more Antenna Fades and Frame Losses than when using DSM2 in busy 2.4GHz environments.
Also we encourage you, the RC community, to give us suggestions on more quick hit tech tip videos! What do you need help with or what have you found fixed what you think could be a common mistake? Let us know!
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