Pulse Position Modulation, as distinguished from Pulse Width Modulation (PWM). A communication protocol for controlling devices by a radio signal. Was the norm in early RC radio systems due to simple electronics allowing light weight receivers. Is used in more … Continue reading
Glossary
Servo’s Neutral or Center position set by servo manufacturer, expressed as a Pulse Position Modulation (PPM) signal or Pulse Width Modulation (PWM) signal, rate measured in units of microseconds. … Continue reading
When RF module is PPM, allows setting the frame size, pulse lengths, and polarity to match the settings of the transmitting and receiving devices.
Trainer port input channels; PPM1 thru PPM8
The scheme used by the transmitter to encode its signal. The protocol is proprietary and is what determines whether or not your radio is a Futaba, a JR, an Airtronics, a FrSky, or a Joe Blow Special. If your transmitter … Continue reading
Pulse Width Modulation is a common communication protocol used in radio control of servos. A centered condition of the servo occurs with a pulse signal duration of 1500 microseconds with 1000 microseconds signaling full servo movement in one direction and … Continue reading
A communication protocol used by FrSky for its own XJT modules. Sends 8 channels in 9 milliseconds. If a second 8 channels are used, the total latency becomes 16 milliseconds for a given channel.
OpenTX Companion allows different firmware profiles to be saved for future use. For example, including or excluding heli features, or Lua features, changing language selection, etc. (in Companion Tool Bar) Settings —> Radio Profile —> (profile name)
A specialized “data container” for compressed files. Requires a specialized program to access the files, such as WinRAR
An older style of gyroscope that limits the rate of change in direction. Opposes sudden shifts in direction but allows slower changes such as “weather vanning” , or pointing the helicopter into the wind. Momentary use of rate mode can realign a helicopter with … Continue reading
An electronic device that detects the signal from your transmitter and changes it into something that your servos can understand.
Resets the selected item. Examples: Timer 1, Timer2, Telemetry, All(Both Timers & Telemetry), Extended Trims, others.
Radio Frequency transmission circuit used to send signals over the air between transmitter and receiver
Another term for helicopter, whereas “fixed wing” refers to a conventional airplane.
RPM (Revolutions Per Minute) reading.
Maximum RPM (Revolutions Per Minute) reading.
Abbreviation for the “Right Slider” — the pot (potentiometer) on the right edge of the Tx.
Receiver Signal Strength Indicator. A value transmitted by the receiver in your model to a receiver in your Transmitter that indicates how strong the signal is that’s being received by the model. When it drops below a minimum value, indicating … Continue reading
Radio Receiver
Serial Bus – A communication protocol that operates multiple devices on one data cable