Trend ............................................................................................................................... 109
Electronics Temperature ............................................................................................ 109
Peak Values ................................................................................................................... 109
Service...................................................................................................................................... 110
Master Reset................................................................................................................. 110
Service Schedule ......................................................................................................... 115
Calibration Schedule ................................................................................................... 117
Powered Hours............................................................................................................. 119
Power-on Resets.......................................................................................................... 119
Menu Timeout ............................................................................................................... 119
LCD Backlight ................................................................................................................ 119
LCD Contrast.................................................................................................................. 119
Secondary Value .......................................................................................................... 120
Simulate Enable ............................................................................................................ 120
Demo Mode ................................................................................................................... 120
Communication....................................................................................................................... 120
Tag ................................................................................................................................... 120
Device Address............................................................................................................. 121
Manufacturer ................................................................................................................ 121
Device Revision ............................................................................................................ 121
ITK Version..................................................................................................................... 121
Security..................................................................................................................................... 121
Remote Access............................................................................................................. 121
Local Access ................................................................................................................. 122
Language.................................................................................................................................. 122
Device Status Icons ............................................................................................................................129
General Fault Codes ...........................................................................................................................130
Operation Troubleshooting ...............................................................................................................134
..................................................................................................................................................................135
Appendix C: Maintenance ............................................................................................ 136
Principles of Operation ......................................................................................................................137
Process Variables ......................................................................................................................137
Echo Processing ..................................................................................................................................138
Process Intelligence .................................................................................................................138
Echo Selection ...........................................................................................................................138
Measurement Range .........................................................................................................................143
Measurement Response ...................................................................................................................144
Damping .................................................................................................................................................144
Loss of Echo (LOE) ...............................................................................................................................144
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