HP 2500C Series - Manual (Page 65)

Operating Overview 2-7
Using the Control Panel
Restoring Factory Defaults
To restore the default factory settings, press [ MENU ] till the Resets Menu appears. Then
press [ ITEM ] until RESET TO FACTORY SETTINGS i s shown in the LCD display.
Press [ SELECT ] to restore the factory defaults. This action will also clear the input
buffer for the active I/O channel.