SYSTEM 129 View system configuration Panel operation 1. To check system configuration, press the System key. System 2. Press F6 (More). More...F 6 3. Press F4 (System Config On). System ConfigOn OffF 4 4. The system configuration appears. Four types of information are listed. • Serial number • Software/hardware/firmware/language version • Installed optional items • Reference signal selection status Serial NumberSoftware/ Hardware VersionOptional Item Installation StatusReference Signal StatusLanguage Version 5. To close the configuration, press F4 again (System Config Off). System ConfigOn OffF 4 Serial number The serial number for device identification. This number is necessary for various service level operations. The same number is pasted on the rear panel. Software/hardware language version Shows versions and release date of hardware, software, firmware, and language database. Used for service level operations.