Maintaining and Troubleshooting the PM880 8-11February 2005Viewing or Changing Security SettingsTo guard against accidental or intentional tampering, the PM880includes a password-based security system. The system has threesecurity levels. Individual passcodes protect the three securitylevels; they consist of one to eight digits. The three levels are asfollows:• User Level - allows access to the display and non-criticalmeter settings (such as resetting the clock).• Operator Level - allows access to most of the meter settingsused to set up the meter such as probe selection andcalibration data. This level also allows you to delete filessuch as old logs and unneeded site files.• Service Level - provides access to all meter settings, and isavailable only to GE Infrastructure Sensing representativesand authorized service agents.The backup battery maintains the file system, so that if the batteryfails or the drive is erased, the passcodes will revert to the defaultvalues. For both the User and Operator level, the default code is2719.Use the sections that follow to setup security levels and enter newpasscodes.• Setting the Security Passcodes - see the next page• Setting Remote Access Security - page 8-13