Firmware for HEM Series Mount (Dec. 15,2022)
Please read the Release Notes before performing any firmware upgrades. Loading the wrong file into the mainboard may cause the system to become inoperable!
HEM-EC version needs to perform encoder calibration after the firmware upgrade.
iOptron Strain Wave Gear mount firmware upgrade instruction
iOptron Upgrade Utility V3.21
HEM Firmware Package (incl. 8409 HC) (V220718)
Prolific PL2303 VCP Driver, or go to Prolific website to download the VCP driver
HEM Mount Firmware Upgrade History