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FUTABA GYA553 Instruction Manual
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1M23N36902
6-Axis Flight Control
Instruction Manual
Instruction Manual
Before using your new gyro, please read this manual thoroughly and use the
gyro properly and safely. After reading this manual, store it in a safe place.
• 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.
• Futaba is not liable for any potential damage (accidental or otherwise) that may oc-
cur after installation.
① GYA553 ×1
MODE LED
MODE SW
Head direction mark
・Connect to S.BUS 2 
with the receiver con-
nection cable.
Elevator
Aileron 2
Aileron
Elevator
Aileron 2
Aileron
(Integrated sensor type rate gyro)
• Gyro sensor: MEMS vibrating structure gyro
• Operating voltage: DC 3.8 V to 8.4 V
• Current drain: 27 mA (excluding a servo)
• Operating temperature range: -10ºC to +45º
• Dimensions: 28 x 26 x 16 mm 
                             (1.10 x 1.02 x 0.63 in) 
• Weight: 8.5 g  (0.30 oz) 
Set Contents
Set Contents
② Double-sided tape × 2
Each Part
Each Part
DATA LED
DATA SW
Aileron 1
Aileron 2
Elevator
Connection
Connection
S.BUS 2  Receiver
Elevator 
S.BUS 2
Rudder
Rudder 2
*SB / R2 port switch-
ing is required when 
using RUD 2
Servo S.BUS
Servo S.BUS
to SB/R2
For models
GYD553 Ratings
GYD553 Ratings
③ Receiver connection cable × 1
Program box
Transmitter function
Transmitter function
CH1
2
CH2
CH4
CH5
CH6
CH7
CH8
CH9
CH10 Recovery mode ON/OFF
CH11
・  18-channel S.BUS signal output terminal. 
Servos other than gyro channels can also be 
connected.
・  High-speed S.BUS output brings out gyro 
performance.
Elevator 
2
Rudder
Rudder 2
④ Manual × 1
S.BUS 2
S.BUS/Rudder 2
Rudder 
Elevator 2
Aileron
Elevator
Rudder
Aileron Gain
Aileron 2
Elevator Gain
Rudder Gain
Elevator 2
Rudder 2

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Summary of Contents for FUTABA GYA553

  • Page 1 After reading this manual, store it in a safe place. • 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. • Futaba is not liable for any potential damage (accidental or otherwise) that may oc- cur after installation. Set Contents Set Contents ① GYA553 ×1 ② Double-sided tape × 2 ③ Receiver connection cable × 1 ④ Manual × 1 Each Part Each Part Program box S.BUS 2...
  • Page 2: Remote Gain Function

    GYA553 Start up time GYA553 Start up time When the GYA553 is started, it takes 6 to 7 seconds to accurately grasp the attitude of the aircraft. During that time, do not move the aircraft by 30 ° or less horizontally. If it is tilted by 30 °...
  • Page 3: Parameter Settings

    Monitor LED display Monitor LED display State MODE LED DATA LED Reference Face up:Blue 1 No signal 2 flash Face left:Yellow Face right:Green 2 Warm-up Fast blink Face down:Red AVCS:Red 3 After initialization Normal:Green 4 Neutral offset Orange Every 2 seconds Red (roll axis) 5 Gain OFF Green (pitch)
  • Page 4 3-Axis Settings 3-Axis Settings MODE SW Power off  to escape  Setting mode DATA  LED Normal [Default] GREEN MODE LED When setting is changed 1. Gyro reverse 1 RED DATA SW Reverse MODE SW DATA  LED Wait YELLOW DATA SW MODE LED 2. Neutral offset Adjustable GREEN MODE SW 2 RED Setting up Fast flashing DATA SW MODE SW DATA  LED Neutral YELLOW AIL Right operation MODE LED MODE SW 3. Limit setting Fast flashing Limit setting 3 RED DATA SW...
  • Page 5 Limit setting Limit setting This is the limit setting for each servo. The position of the maximum operation 3-Axis  Settings → 3. Limit setting . Aileron setting example MODE SW Power off  to escape  Setting mode DATA  LED Normal [Default] MODE LED GREEN When setting is changed 1. Gyro reverse 1 RED DATA SW Reverse MODE SW DATA  LED Wait YELLOW DATA SW MODE LED 2. Neutral offset Adjustable...
  • Page 6 Mounting to the Airplane Mounting to the Airplane Firmly stick the gyro to the fuselage with the double sided tape supplied. Install the gyro at a level place near the center of gravity where there is little vibration. It can also be installed at the side or rear of the fuselage.
  • Page 7: Recovery Mode

    Turn off the recovery switch when the stick is in neutral. ELEVON/V-TAIL Connection ELEVON/V-TAIL Connection Set with the wing type of GYA553. The wing type of the transmitter is not used and is normal. S.BUS servo setting parameters. ELEVON   Aileron servo...
  • Page 8 ELEVON/V-TAIL Connection recommend that the  Endpoint rate increments) does not occur in the control axis direction. The gyro sensitivity is sensitivity CH be set to  Set with the wing type of GYA553. The wing type of the transmitter is not used and NORMAL:  DATA LED GREEN the 3-position. is normal. 100% aircraft may be damaged.