Futaba GY601 User Manual Page 1

AVCS GYROGY601INSTRUCTION MANUAL YAW-AXIS STABILIZER FOR MODEL HELICOPTER(RATE GYRO)

10BEFORE USEDifferences in rudder control methodThe following describes the differences between conventional gyro andAVCS gyro rudder control.The conv

11BEFORE USEseveral times over by the gyro amp and is balanced with the gyro controlsignal so that the transmitter can be used at the normal steering

12DATA SETTINGDATA SETTINGGY601 control ampName and Function of Each PartLCD contrast trimmerAllows adjustment of the contrast so that the LCD display

13DATA SETTINGLCD displaySet data display and operationstatus monitoring are possible.LCD Display and Edit KeysEdit keysSetup screen callThe setup scr

14DATA SETTINGFunction MapNormal screen display(P15)Gyro Gain Adjustment(P16)Gyro Reverse(P16)Rudder Control Gain(P17)Control Delay I(P17)Gain Trackin

15DATA SETTINGGY601 Functions SettingPower on screen displayWhen the gyro power is turned on after the transmitter power wasturned on, -Hello- blinks

16DATA SETTINGGyro ReverseInitial value: NORSets the gyro operation direction. NOR or REV can be selected.Set so that when the helicopter is banked ri

17DATA SETTINGRudder Control GainInitial value : ACG: 120%, NCG: 130%Adjusts the rudder stick operation gain. Setting range is 10% to250%.AVCS and NOR

18DATA SETTINGGain TrackingInitial value : +0%Adjusts left and right tail braking tracking. Setting range is -20% to+20%.For example, when there is a

19DATA SETTINGFlight modeInitial value : F3CSwitches the flight mode. Settings are F3C or 3D.The F3C mode emphasizes tail suppression and stop. The 3D

2Thank you for buying a GY601 AVCS gyro.Before using your new gyro, please read this manual thoroughly and use thegyro properly and safely. After read

20DATA SETTINGAVCS SenseInitial value : 100%Adjusts the rudder control characteristic in the AVCS mode. Settingrange is 50 to 150%.Check the rudder op

21DATA SETTINGRemote Gain FunctionThe remote gain function lets operator perform AVCS mode andNormal mode sensitivity adjustment and operation mode sw

22DATA SETTINGWhen Using a T9Z World Champion Model TransmitterGyro Sense MixingThe Gyro Sense Mixing (GYR) function lets operator perform two-point g

23DATA SETTINGGYRO SENCE01 . MODEL-01. NORML HEL PCM 0: 23: 17DUAL : MODE: GAIN 1: GAIN 20 20 40 60 80 100END85 %15 %85%15%GAIN1settingGAIN2sett

24DATA SETTINGWhen Using a T9Z Transmitter Programmable MixingThe Programmable Mixing (PMIX) function lets operator perform a gainadjustment at each c

25DATA SETTINGPROG MIX 101 . MODEL-01. NORML HEL PCM 0: 23: 17ACTIVE : MODE ( ON) TRIM:******MSTR MIX MODE:******: SLAVE: MIX TYPELINOFSHOV CR

26DATA SETTINGWhen Using a T8Usuper TransmitterThe Gyro Mixing (GYRO) function lets operator perform a gain adjustment ateach Idle-Up switch position.

27DATA SETTING85%15%70%30%70% 40%（NORM）（IDL1）（IDL2）(Setting Example)Adjust the gyro gain at each the Idle-Up swtch position at the Gyro Mixingsetup sc

28DATA SETTINGWhen Using a Transmitter ATV FunctionThe ATV function lets operator perform a gain adjustment at each CH5switch position.[GY601 Settings

29DATA SETTINGWhen Using a GY601 Gyro Gain Adjustment Function[Transmitter Settings]Adjust both the ATV rates to 90% at the transmitter Ch5 ATV funct

3FOR SAFETY•Meaning of Special Markings ---------------------------- 4•Mounting/Operating Precautions ------------------------ 4•Fuselage Maintenance

30DATA SETTINGInitializationDuring initialization, the message “-Hello-” appears on the GY601LCD screen.Do not move the helicopter until this message

31DATA SETTING[During use]When the rudder was re-trimmed in the Normal mode and the newtrim position also affects the AVCS mode, the rudder trim neutr

32INSTALLATION AND ADJUSTMENTInstall and adjust the GY601 as described below.INSTALLATION AND ADJUSTMENT•When making GY601 adjustments, alwaysuse the

33INSTALLATION AND ADJUSTMENT2 ConnectionsConnect the GY601, receiverand servo as shown below.Insert the connectorsfully and firmly.If a connector wor

34INSTALLATION AND ADJUSTMENT*If you try to fly the helicopter while the gyro direction is incorrect,when the rotor rotates clockwise, the helicopter

35INSTALLATION AND ADJUSTMENT6 Limit settingMove the rudder stick to the left and right andperform adjustment at the Lmt screen so thatthe servo opera

36INSTALLATION AND ADJUSTMENTWhen using a transmitter without a gyro gain switching function,connect the gain setting connector to an idle channel and

37INSTALLATION AND ADJUSTMENTFlight Adjustments1 In the AVCS mode, turn on the transmitter power, then turn onthe gyro and receiver power. This reads

38INSTALLATION AND ADJUSTMENT(If necessary)6 When you sense a difference in the rudder effect between theAVCS and Normal modes, adjust using the GY601

39INSTALLATION AND ADJUSTMENT9 When you want to use rudder mixing in the Normal mode, set thetransmitter so that rudder mixing is applied only during

4FOR SAFETYInsert the connectors fully and firmly.If a connector works loose due to vibration during flight, control may be lostand result in a danger

40REFERENCEREFERENCE* Specifications are subject to change without prior notice.GY601 RatingsYaw-axis stabilizer for helicopter (rate gyro)Display dev

41REFERENCE3D 3D mode. p19AACGA/B Rudder control gain(AVCS) p17AFR AFR function.ATV ATV function. Steering angleadjustment function.AVC AVCS mode.AVCS

42REFERENCEG:xxGDirACGx,NCGxD11xTrkFmodModeG:1 100% 0-120%G:2 100% 0-120% NOR NOR/REVACGA 120% 10-250%ACGB 120% 10-250%NC

43REFERENCEFUTABA CORPORATIONMakuhari Techno Garden Bldg., B6F 1-3 Nakase, Mihama-ku, Chiba 261-8555, JapanPhone: (043) 296-5118 Facsimile: (043) 296

5FOR SAFETYAlways use the accessory sensor tape to install the sensor to the fuselage.This is necessary to securely fasten the sensor to the fuselage

6FOR SAFETYCheck the remaining receiver/gyro/servo nicd battery operating timeduring the adjustment stage and decide how many flights are remaining.Wh

7FOR SAFETYAlways perform proper maintenance for ultimate performance.The rigidity of the fuselage tail has a large effect on gyro performance.Make th

8BEFORE USESet ContentsAfter unpacking the GY601 set, first check if the following parts areprovided:BEFORE USESensor tape (x3)Mini screwdriver (x1)GY

9BEFORE USEDifferences Between AVCS Gyro and Conventional GyroCompared to a convention gyro, the AVCS gyro has a substantially im-proved tail control