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ATL = Adjustable Throttle Limiter High-end feature which adjusts to bring full servo potential within the limits of bind-free servo travel. Ideal for throttle control, or for more effective braking in gas racing. ATV/EPA = Adjustable Travel Volume/End Point Adjustment Allows separate adjustments of maximum servo travel to both sides of neutral. Helps tailor outputs for different control styles. BEC = Battery Eliminator Circuitry Allows receiver to draw power from a main battery pack, eliminating the need for (and weight of) a receiver battery. DSC = Direct Servo Control High-end convenience feature which allows control/adjustment of servo function without sending signal through receiver. Dual Rates A switch that can make controls more or less sensitive. Lower rates are better for beginners, who tend to overcontrol. Exponential Rate Offers servo travel that is not directly proportional to stick travel. Control response is milder below half-stick, but becomes increasing stronger as stick travel approaches 100%. Great for aerobatics and trouble situations. Fail Safe A safety feature which turns a servo to a preset position if the signal is lost or interrupted. MHz = Megahertz The unit of radio frequency. 75 MHz is a surface frequency; 50 & 72 MHz are air frequencies; 27 MHz can be used for either ground or air applications. Note: Use of the 50 MHz (ham radio) band requires an FCC license. Mixing Allows a single input to control the operation of two or more servos. Simplifies routine flying and allows more involved maneuvers -- great for intermediate-advanced fliers. Narrow-Band A radio with a 20 KHz band width. All Futaba radios produced 1992 or later are narrow band. PCM = Pulse Code Modulation PCM systems use digitally encoded signals to minimize interference and provide today's most advanced R/C control. Servo Reversing Reverses the rotation of a servo with the flip of a switch. Adds ease and flexilibility during installation. SMT = Surface Mount Technology Ultralight, solid-state components which offer greater vibration resistance and reliability. Trainer System Allows trainer to link radios with a student via a cord, and to instantly take control of student's craft in-flight. |