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Immersion RC EzUHF Series - User Manual

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ImmersionRC | EzUHF R/C Control System
1
EzUHF R/C Control System
Overview & Operating Instructions
Nov 2010, for Firmware v1.18
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Summary

EzUHF System Overview and Features

System Introduction

Provides a general overview of the EzUHF R/C control system for FPV/UAV.

Key Technical Features

Highlights core functionalities like FHSS, output power, head-tracker, binding, and USB.

Specifications and Compatibility

Details frequency bands, power requirements, dimensions, and receiver compatibility.

Security and Regulatory Guidance

User Responsibility and Safety

Stresses responsible use and compliance with local FPV/UAV legislation.

Radio Frequency Licensing

Explains licensing needs for the 433-435MHz default band.

EzUHF Transmitter Powering

Power Source Options

Details powering via 4-pin mini-DIN (Futaba) or DC power jack.

EzUHF Transmitter Core Operations

Binding Procedure

Step-by-step guide for binding the EzUHF transmitter to the receiver.

Failsafe Configuration

Explains how to program failsafe servo positions for safety.

Power Level Modes

Details switching between high and low power output modes.

Range Testing Protocol

Recommends performing range tests on the ground before flight.

Failsafe and Power Level Control Details

Failsafe Programming Phases

Details two recommended phases for setting up failsafe positions.

Power Mode Explanation

Explains the difference between high and low power modes and their range impact.

Range Testing Procedure

Using Attenuators for Testing

Recommends using SMA attenuators for accurate ground range tests.

Transmitter Compatibility and Connectivity

Transmitter Input Compatibility

Details PPM input voltage support and preferred radio systems.

Connector Pinouts

Shows pinouts for S-Video and PPM/Head-Tracker connectors.

Cabling and Pinout Diagrams

S-Video Connector Pinout

Illustrates the pinout for S-Video connectors.

PPM;Head-Tracker Pinout

Shows the pinout for PPM and Head-Tracker inputs.

Futaba to EzUHF Cable Wiring

Cable Diagram and Pinout

Provides the wiring diagram for the Futaba to EzUHF cable.

Multiplex to EzUHF Cable Wiring

MPX Function to EzUHF Pin Mapping

Details the pin mapping for Multiplex radios using a DIN connector.

Important Notes for Multiplex

Provides critical notes on bridging pins and PPM frame rates.

Cabling the TrackR2 Headtracker

Mini-DIN to Mini-DIN Connection

Explains cabling the TrackR2 to the EzUHF transmitter with Mini-DIN.

S-Video Cable Limitations

Notes why standard S-Video cables cannot be used for this connection.

EzUHF Receiver Overview

8 Channel Receiver Features

Details the 8 channel, bi-directional receiver with antenna diversity.

4 Channel Receiver Features

Describes the 4 channel, uni-directional receiver for smaller models.

Antenna Placement Recommendation

Advises separating A/V and UHF antennas for optimal performance.

EzUHF 8 Channel Receiver Connections

Servo Connector Pinout

Shows the pinout for the servo connectors on the 8 channel receiver.

Powering the Receiver with Servos

High-Torque Servo Powering

Advises on powering the receiver with high-torque digital servos using robust BECs.

Receiver Antenna Configuration and Software

Diversity Antenna Setup

Explains connecting antennas to the 8 channel diversity receiver.

PC Software Installation

Provides the URL for downloading EzUHF support software.

EzUHF to EzOSD Telemetry Link

Telemetry Data Provided

Lists telemetry measurements like RSSI, signal quality, and error rates.

Using Telemetry Data

Explains how telemetry data aids in diagnostics and performance analysis.

OSD Link Cable and Components

DIY Cable Parts List

Lists Farnell parts required for DIY OSD link cables.

EzUHF Rx Connector Type

Specifies the 5-pin Molex connector used for the OSD link.

Antenna Selection Guidance

Importance of Antenna Choice

Emphasizes the critical role of antenna selection for FPV and UHF links.

Diamond SRH771 Antenna

SRH771 Features and Suitability

Describes the SRH771 as a high-gain, semi-flexible antenna suitable for Tx.

Active Robots Antenna Options

433 MHz Straight Antenna

Details the ANT-433MS straight antenna for remote receiver placement.

433 MHz Right-Angled Antenna

Describes the ANT-433MR angled antenna for 8 channel Rx inputs.

Antenna Extension Cables

Using Standard SMA Connectors

Explains the ease of using or constructing extension cables with SMA connectors.

Antenna Placement for Interference Mitigation

Separating A;V and UHF Antennas

Advises on physical separation of A/V Tx/Rx and UHF Rx antennas.

Recommended Flight Configurations

Provides two example configurations for antenna placement on a model.

Sources of RF Interference

Camera Interference

Identifies cameras like GoPro emitting noise that can affect UHF range.

Power Supply Interference

Mentions noisy switching power supplies as potential interference sources.

RF Interference Debugging Tools

ImmersionRC Tools for Spectrum Analysis

Describes using ImmersionRC tools to perform spectrum analysis for debugging.

Appendix A: Binding Multiple Transmitters

Scenarios for Multiple Transmitter Use

Outlines scenarios for redundancy and increased security with multiple transmitters.

Appendix B: Troubleshooting Common Problems

Rx LED Not Lighting

Guides on checking BEC voltage and polarity if the Rx LED is off.

No Transmitter Response

Advises checking transmitter beeps and USB connection for response issues.

Servos Not Moving

Highlights checking PCM vs PPM mode and binding status for servo issues.

Interpreting Transmitter Beep Codes

Beep Code Meanings

Explains beep codes indicating internal errors or PPM/PCM detection issues.

Link Quality Issues

Interference Affecting Link Quality

Identifies RF sources like cameras and regulators as causes for low link quality.

Immersion RC EzUHF Series Specifications

General IconGeneral
BrandImmersion RC
ModelEzUHF Series
CategoryControl Systems
LanguageEnglish