CEM70 Firmware

Firmware for a CEM70 Mount (5/23/2023)

No firmware upgrade is needed if your mount works properly.

Please read the Release Notes before performing any firmware upgrades. Follow the Upgrade Instruction carefully. Loading the wrong file into the system may cause the mount inoperable!

Encoder calibration is needed for a mount with a high precision encoder (EC version) after the firmware upgrade.

CEM70 Firmware Upgrade History
CEM70 firmware upgrade instruction
FTDI VCP Driver for Win7/8.1/10, FTDI VCP Driver for Win11, or go to FTDI Chip website to download the VCP driver
iOptron Upgrade Utility V2.23 (latest version)

If you have a CEM70 mount with a 8407 hand controller, you'll need to upgrade the mount firmware and hand controller firmware separately, as described in the Upgrade Instruction.
CEM70 Firmware Package (including 8410 hand controller) (V230305)
Go2Nova 8407+ hand controller firmware (V20210420)

If you have a CEM70 mount with a 8410 hand controller, you'll only need this firmware package. The HC firmware will be upgraded via the mount connection.
CEM70 Firmware Package (including 8410 hand controller) (V230305)