FUTABA CGY755 User Manual

Futaba CGY760R/CGY755 is gyro, 3-axis Stabilization System combining AVCS
gyro and head speed governor in one box designed for ybarless helicopters. Its cut-
ting edge MEMS (Micro Electro Mechanical System) sensor design, ultra high-speed
processing speed, and advanced PID control algorithm put it a league of it's own
ahead of all ahead of all other heading hold gyros in size, weight and performance.
• No part of this manual may be reproduced in any form without prior permission.
• The contents of this manual are subject to change without prior notice.
• This manual has been carefully written. Please write to Futaba if you feel that any corrections
or clarications should be made.
• Futaba is not responsible for the use of this product.
I
NTRODUCTION
GPB-1
CGY755
CGY760R
GPB-1
Battery
Battery
Setting
Receiving
Receiving
Setting
Receiver・Gyro・Governor
Receiver
Gyro・Governor
If your gyro is CGY755, ignore the description of the receiver
function in this dotted box.
CGY755 has no receiver function.
CGY760R has a receiver function.
This manual is for both CGY760R with receiver
function and CGY755 without receiver function.

FUTABA CGY755 Specifications

General

Brand	FUTABA
Model	CGY755
Category	Controller
Language	English

Summary

INTRODUCTION

FEATURES

Gyro Section Features

Details the 3-axis stabilization, PID control, and MEMS sensor design.

Rudder (Yaw) Section Features

Describes yaw axis sensing capabilities and compatible tail rotor servos.

Aileron, Elevator (Roll, Pitch) Section Features

Highlights features specific to flybarless helicopters and swash plate types.

Governor Section Features

Explains high-speed operation, low latencies, and RPM governing capabilities.

PRECAUTIONS

Meaning of Special Markings

Explains the safety symbols used throughout the manual for warnings and mandatory actions.

General Safety Warnings

Provides critical warnings regarding product usage to prevent injury and damage.

Installation Cautions

Offers specific advice on mounting the GPB-1 and antenna placement for safe operation.

MOUNTING / PART NAMES / CONNECTING

CGY Troubleshooting Tips

Common Issue Resolutions

Provides guidance for diagnosing and fixing common problems like drifting or inconsistent control.

Link Method With Transmitter (FASSTest / T-FHSS)

Transmitter Linking Procedure

S.BUS Channel Setting

Configuring S.BUS Channels

Governor Installation

HOME SCREEN

GPB-1 Screen

Gyro Update Procedure

Guides on downloading and applying firmware updates to the CGY unit.

BASIC MENU

FLT.TUNE Screen

SWH.BASIC Screen

RUD.BASIC Screen

GOV.BASIC Screen

SBUS BASIC Screen

RECOMMENDED GYRO GAIN SETTINGS

ADJUSTMENTS DURING THE TEST FLIGHT

Pre-flight Checklist

TIPS FOR USING THE GOVERNOR WITH ELECTRIC MODELS

Electric Model Governor Setup

TRANSMITTER ROTOR HEAD GYRO GAIN SET-UP

Remote Gain Functions

Manual Gain Adjustment

EXPERT MENU

SWH.DETAIL Screen

Advanced settings for swash plate interactions and mixing rates.

FLT.EXPERT Screen

Fine-tuning parameters for cyclic control authority, response, and stop tuning.

RUD.EXPERT Screen

Advanced adjustments for rudder gyro performance, including exponential and delays.

GOV.EXPERT Screen

Expert settings for governor parameters like working mode and RPM control.