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GY520 Link

FUTABA CORPORATION     Phone: (043) 296-5118  Facsimile: (043) 296-5124

Makuhari Techno Garden Bldg., B6F 1-3 Nakase, Mihama-ku, Chiba 261-8555, Japan

©FUTABA CORPORATION     2009, 04     (1)

Sets  the  AVCS  operating  range.  At  initial  value  300,  the  servo  operating  range 
becomes about 30°. When the set value is increased, the operating range increases 
and the neutral correction range due to cross wind, etc. increases, and tail stop 
operation, etc. are affected.

• D gain

Initial value=150 setting range: 0-250

Sets the gyro differential operation gain. The characteristic at tail stopping changes.

• D damping

Initial value=40 setting range=0-100

Sets the gyro differential operation duration time. The characteristic at tail stopping 
changes.

• Base Gain

Initial value=50 setting range: 30-100

Sets the gyro control basic gain. When the set value is increased, the gyro gain 
decreases. For example, if the set value is changed to 100, the gyro gain is halved. If 
the transmitter gain setting is doubled in this state, gain becomes the same as in the 
previous state.

• Limit

Initial value: Left=100, Right=100, setting range: 50-150

Sets the servo operating angle limit position. Set after the gyro is mounted to the 
fuselage. When the "Enter" button is pressed, the setting mode is entered. Slide 
the scale bar in one direction and check the servo operating position and position 
it so that the servo horn does not interfere with the linkage. Memorize this position 
by pressing the "Set" button. Next, move the scale bar up to the other limit position 
and perform the same operation. The limit value cannot be set to 50% or less. After 
deciding the limit positions, finally transfer the set value to the GY520 by pressing the 
"Write" button.

Summary of Contents for GY520

Page 1: ...ompression P2 GYLink software installation P2 CIU 2 and GY520 connection P4 GYLink software usage method P5 Changing the parameters P8 Description of the function of each parameter P9 Distribution exe...

Page 2: ...ng_V100 zip to the same location as the Zip file storage location GYLink msi file and setup exe file are extracted in the GYLink_Eng_V100 folder GY Link software installation Before installing the GYL...

Page 3: ...GY520 Link 4 Push the Next button 5 The install process begins 6 The installer displays the following after the install process Push the Close button...

Page 4: ...the USB port of the PC 2 Using the connection cord connect the 3 pin connector of the CIU 2 to the rudder input connector of the GY520 3 Connect the receiver battery or a 5V power source to the sensi...

Page 5: ...ly connected to the PC Recheck the connection and re execute the program Reading parameters data from the GY520 1 Press the Read button When connection to the PC is complete the following message box...

Page 6: ...eck the connections and then press the Write button again Reading parameters data saved at the PC 1 Select the Open command from the File menu 2 A file open dialog opens Select the file you want to op...

Page 7: ...PC by pressing the save button in the data save dialog Initializing the parameters data 1 Select the Initialize command from the File menu A confirmation message appears 2 When Yes Y is clicked the pa...

Page 8: ...tting an exact value the value can be changed in minimum units by PC cursor key operation 4 Set the Limit parameter after the gyro is mounted to the fuselage When the Enter button is pressed the setti...

Page 9: ...Digital 760 High speed digital servos for helicopter rudder only BLS251 S9256 S9251 Analog Analog servos Gyro Reverse Initial value Normal Sets the gyro operating direction Mounting Surface Initial U...

Page 10: ...rudder input changes Adjusting ranges are from 1 to 10 The value 10 is a most stiff of the pirouette control the value 1 is to be a moderate control Select with preferable rudder control style EXP Ini...

Page 11: ...0 setting range 30 100 Sets the gyro control basic gain When the set value is increased the gyro gain decreases For example if the set value is changed to 100 the gyro gain is halved If the transmitte...

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