HDC-UHD Series User Guide659.6 Configuring HDC9.6.1 Grouping front panel security lockoutYou can set front panel security lockout that prevents accidental changes to the controller settings.Menu F80WEB menu CHANNEL SELECT → BUTTON LOCKSetting value[Table 9.27] Target buttons of security lockoutTarget button Front* WEB browserAll buttons [Default] ALL Click [ALL].MENU/ENTER andBACK buttonsSE Click [MENU/ENTER] and [BACK].CHANNEL (▲▼) buttons CH Click [CHANNEL].*To enable/disable the security lockout from the front, press and hold the “MENU/ENTER” button for threeseconds.