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GY520 Link

Control Response

Initial value: Left=7, right=7, setting range: 0-20

Sets the rudder operation delay. The left and right delays can be set separately. When 
the set value is increased, the delay increases. When the rebound when the tail stops 
is large, it can be reduced by increasing the delay.

AVCS Response

Initial value: Left/In=7, Left/Out=7, Right/In=7, Right/Out=7, setting range: 0-20

Adjusts the tail operation response speed. When the set value is increased, the 
response speed decreases. "In" is the delay setting when the rudder stick is moved to 
the left and right from the neutral position. "Out" is the delay setting when the rudder 
stick is returned to the neutral position from the left and right. The left and right in/out 
delay can be set separately. The rudder operation feeling and rebound characteristic 
when the tail stops change just like the "Control Response" setting.

Pirouette Consistency

Initial value=7, setting range: 1-10

It selects the pirouette control feeling at the 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

Initial value: Normal=-10, AVCS F3C=-40, AVCS 3D=-20, setting range: -100-+100

Set the operation feeling near the rudder stick neutral position. When the set value 
is "-" side, operation near the neutral position becomes gentle. Operation is like EXP 
setting of the transmitter.

• AVCS setting

Yaw Rate

Initial value=100, setting range: 30-110

Sets the tail rotational speed. When the rudder operating amount of the transmitter 
is 100% and the parameter setting is 100, the initial value is set to 450 deg/sec in 
the F3C mode and to 720 deg/sec in the 3D mode. The maximum control speed of 
the GY520 is 800 deg/sec. Care is necessary because if set above this value, the 
helicopter will pirouette at a very high speed exceeding the gyro control range.

Gain

Initial value=40 setting range: 0-50

Sets the AVCS sensitivity. When the set value is increased, the holding capacity of 
the tail increases, but there is a tendency toward hunting and for the tail rebound to 
increase.

Range

Initial value=300 setting range: 100-500

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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