Modes and power - Modes: manual, neutral, and automatic with adjustable pulse widths (50 Hz to 250 Hz) - Input: 4.8 V to 6 V - Use: for comprehensive servo diagnosis and throttle calibration Digital servo testing - Synchronised control of four servos with precise 2 us accuracy - Purpose: ensure ESC consistency and compatibility across RC helicopters, airplanes, and cars Build and controls - Compact ABS housing with LED indicators for real-time parameter feedback - Pulse width adjustments from 800 us to 2200 us across multiple remote configurations Target users and capabilities - Designed for RC hobbyists and technicians - Simplifies servo response testing and ESC performance comparisons for both analog and digital systems in helicopters or RC vehicles Use scenarios - Scenario 1: Calibrating ESC throttle and synchronizing four servos on a quadcopter or fixed-wing aircraft to ensure consistent throttle response and servo timing - Scenario 2: Diagnosing servo jitter or dead zones by running coordinated four-channel tests and comparing ESC responses across different configurations - Scenario 3: Evaluating compatibility and performance between analog and digital servo systems in helicopters or RC cars, enabling quick comparisons of response times and calibration accuracy