User Guide

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During tuning, proceed as follows:
- Take care not to damage sensitive measuring instruments with exces-
sive RF power.
- Carry out all tuning steps in the shortest possible time to avoid exces-
sive heating of RF units.
- Perform all tuning steps in the order presented.
- Never try to mask a fault by tuning it out!
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- PC with service software; see separate section for instructions on
installation and use.
- Service accessories; see equipment setup pictures.
- Multimeter or DVM.
- GSM radio telephone test station or separate measuring equipment as
follows:
- RF generator
- pulse power meter
- spectrum analyzer
- attenuator and branching unit
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