To solve this issue:

CS1732B need to upgrade FW to V2.0.198 or later

CS1734B need to upgrade FW to V2.0.199 or later

To upgrade the firmware, please download the firmware and manual from

CS1732B:

https://www.aten.com/global/en/supportcenter/downloads/?q=CS1732B

CS1734B:

https://www.aten.com/global/en/supportcenter/downloads/?q=CS1734B

Please check the manual for how to upgrade firmware.

If the issue persists, please contact our Tech Support for assistance.