Futaba Servo Software

Overview
Futaba update-compatible servo programming can be updated online by downloading the correct update data and performing a guided write/update sequence. After updating, disconnect the cable/media and perform a function check before use.
Specifications
| Servo software update | Version / Notes |
|---|---|
| BLS-A600 | V2.0 update: improved operational stability when connected via S.BUS |
| Airplane gyro settings (when connected via S.BUS) | GYA483: Gyro mode = 3-axis; Servo type = DG285Hz mode |
| Airplane gyro settings (when connected via S.BUS) | GYA553/GYA573: S.BUS (HS) mode |
| HPS-A*** | V3.0 update: improved operational stability when connected via S.BUS |
| CIU update requirement | When using CIU-3: Required for update; CIU-2 cannot be used |
| Transmitters requiring update | When using T16IZS (V12.0~), T16IZ (V10.0~), T26SZ (PRO) (V7.0~): Required for update |
| Media & connection | microSD (FUTABA folder copied for transmitter update) |
| PC update access | PC (access is possible via the web) |
| PC update wiring | Hub (PC-LINK adapter) + Female-Female type cable + Battery for receiver |
Quick Guide
- Online file: Download the appropriate servo update zip file from the Futaba website (or your local distributor’s website), then extract it on your computer.
- PC/CIU-3 update (when using CIU-3): Install the CIU-3 driver on your PC. Connect as shown in the manual figure, then operate the PC update. Click WRITE, then OK. The servo beeps twice and updates; wait about 10 seconds without turning off the power. When you hear 3 beeps, click OK and remove the cable. Perform a function check before use.
- Transmitter update (when using a compatible transmitter): Copy the FUTABA folder from the extracted zip onto a microSD. Insert the microSD into the transmitter’s SD card slot. Connect the servo to the transmitter’s S.I/F connector. Turn on the transmitter and open System Menu ⇒ Update, tap Servo update, select the target servo, then tap Update. The servo beeps twice and updates; after success, disconnect the servo from S.I/F and perform a function check before flying.
Your Futaba update-compatible servo programming can be updated easily online. When functions are improved, the update file can be downloaded from our website. For more information, check out the website for FAQ regarding updating this product. The display screen is an example; the screen depends on the PC.
When using CIU-3
Required for update
When using T16IZS(V12.0~), T16IZ(V10.0~), T26SZ(PRO)(V7.0~)
Required for update
When using CIU-3: Update Procedure
Preparations
- Install the driver for the CIU-3 onto your PC.
- When the CIU-3 is first connected to the PC, once the CIU-3 is connected to the PC, download the recommended driver software. Using Windows Vista, the “Found New Hardware Wizard” window appears on the screen. Click “Locate and install driver software”.
- Refer to the manual of the CIU-3 for further information.\
Updating procedure
- Download the ZIP file of the update data from our website or your local distributor’s website.
- Extract the zip file on your computer.

- Connect as shown in the figure.

- Operate the PC update.
Be sure to update using the update file for the corresponding servo. Do not use update files for different servos! - Click “WRITE”.

- Click OK


- The servo will beep twice, and the update will begin
Wait for about 10 seconds. Don’t turn off the power! - The update is complete after 3 beeps.

- This completes the update process. Click “OK” and then remove the cable.
- Be sure to check each function before use.
Preparations
- Download the zip file of the servo update data from our website or your local distributor’s website.
- Extract the zip file on your computer.
- Copy the “FUTABA” folder onto your microSD card.

- Insert the microSD card with the “FUTABA” folder that contains the update software into the SD card slot on your transmitter.

- Connect the servo to be updated to the S.I/F connector of the transmitter.

- Turn on the transmitter and select “System Menu” “Update”.
The display screen will vary depending on the transmitter - Tap [Servo update]

- Tap the servo you want to update.

- Tap [Update]

- The servo will beep twice, and the update will begin.

- When finished, the following will appear.

- Disconnect the servo from the transmitter’s S.I/F connector. Always perform a function check before flying.
BLS-A600 V2.0 UPDATE
- Improved operational stability when connected via S.BUS.
- When using an airplane gyro with an S.BUS connection, the following settings are now available:
- GYA483: Gyro mode = 3-axis
- Servo type = DG285Hz mode
- GYA553/GYA573: S.BUS (HS) mode
HPS-A*** V3.0 UPDATE
- Improved operational stability when connected via S.BUS.
Documents / Resources
![]() | Servo Software |
References
- futabausa.comfutabausa.com
- rc.futaba.co.jp/www.rc.futaba.co.jp
- User Manualmanual.tools


