Pro-face Remote HMI

What should I be careful of when using Version Reverter?: The Pro-face Remote HMI function isn't supported before GP-Pro EX Ver. 3.10.
After file conversion into GP-Pro EX Ver. 3.00 with Version Reverter, the items set in [Pro-face Remote HMI] of [Remote Viewer] in [Display Unit] in [System Settings] are all deleted.

The following system variables added in GP-Pro EX Ver. 3.10 are converted to [-Undefined-]. If they are used in a logic program, they are displayed as [?].

[GP-ProEX Ver.3.10]
#H_RemoteHMI_Connect_Status
#H_RemoteHMI_Touch_Status
#H_RemoteHMI_DisableConnections

[GP-ProEX Ver.4.02]
#H_RemoteHMI_DisconnectMode