Zhiyun SMOOTH 4 User Manual page 18

Calibration and Firmware Upgrade
Please refer to "APP Operations" on Page 13
for more information; Connect the stabilizer to
ZHIYUN's APP - ZY Play - via Bluetooth, enter "PTZ"
and adjust the value of the tilt and roll axis angle to
your actual needs.
Firmware Upgrade Step
Connect the stabilizer to your computer via Micro USB
cable to get ready for the firmware upgrade and calibration.
1. Visit ZHIYUN's offcial website: www.zhiyun-tech.com;
Click "DOWNLOAD" and find the Firmware Upgrade
Tutorial package, then download the driver, calibration
tool and latest firmware corresponding to your stabilizer.
(USB driver installation is not needed for Mac and WIN
10 system).
2. Connect the stabilizer to your computer via Micro USB
cable, power on the stabilizer and finish the installation of
the driver.
3. Power on the stabilizer and long press mode button to
enter standby mode.
4. Enter the downloaded "Zhiyun Gimbal Tools" and
upgrade firmware following the instructions indicated in
the Firmware Upgrade Tutorial.
Motor Fine-tuning
USB
16