Specifications

Contents ZVx
1127.8700.12 16 E-3
4 Maintenance and Troubleshooting.................................................................................... 4.1
4.1 Maintenance........................................................................................................................... 4.1
4.1.1 Mechanical Maintenance............................................................................................... 4.1
4.1.2 Electrical Maintenance .................................................................................................. 4.1
4.1.2.1 Testing the Generator Level............................................................................. 4.1
4.1.2.2 Testing the Receiver Accuracy......................................................................... 4.1
4.1.2.3 Testing the Frequency Accuracy...................................................................... 4.1
4.1.2.4 Verifying the Measuring Accuracy .................................................................... 4.1
4.2 Monitoring the Function ....................................................................................................... 4.2
4.2.1 Switch-on Test............................................................................................................... 4.2
4.2.2 Monitoring the Synthesizers and the Level Control ....................................................... 4.2
4.2.3 Synthesizer Error Messages ......................................................................................... 4.2
4.2.4 Error Message of Level Control..................................................................................... 4.2
4.2.5 Overload Displays ......................................................................................................... 4.2
4.3 Function Description of the Complete Instrument............................................................. 4.3
4.3.1 Description of the Analog Modules................................................................................ 4.3
4.3.1.1 Test Set ............................................................................................................ 4.3
4.3.1.2 Front End.......................................................................................................... 4.4
4.3.1.3 Converter.......................................................................................................... 4.4
4.3.1.4 Synthesizer....................................................................................................... 4.4
4.3.1.5 Local ................................................................................................................. 4.5
4.3.1.6 Source .............................................................................................................. 4.5
4.3.1.7 Output Stage .................................................................................................... 4.5
4.3.2 Modules of the Digital Unit............................................................................................. 4.5
4.3.3 Processor Structure....................................................................................................... 4.6
4.3.3.1 Measurement Control Unit................................................................................ 4.6
4.4 Self test................................................................................................................................... 4.7