CEM120 Firmware

Firmware for CEM120, CEM120EC and CEM120EC2 Mount (Updated on 8/8/2018)

Please read the Release Notes before performing any firmware upgrades. Loading the wrong file into the mainboard may cause the system to become inoperable!


Please set the mount to zero position by using Set Zero Position after firmware upgrade.

CEM120EC and CEM120EC2 version needs to perform encoder calibration after the firmware upgrade.


CEM120 firmware upgrade instruction
iOptron Upgrade Utility (not the same one as used in other mounts)
Go2Nova 8407 hand controller firmware (V20180206)
CEM120 Firmware Package (V180620)
CEM120 Firmware Upgrade History (Released Aug. 8, 2018)