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R&S
ZVA80
Fig. 3-2: Transmission measurement with an R&S ZVA80
3.7 Troubleshooting
The table below lists possible errors and remedies.
Error
No output signal, LED next to the
mains switch on the rear of the con-
verter panel off.
Switchover between low frequency
and high frequency mode fails
Measurement shows noise only
3.8 Special Considerations for Type 03 and 04 Systems
The R&S ZVA50 network analyzer of an R&S ZVA80 type 03 or 04 supports measure-
ments with external test sets in analogy to the R&S ZVA80-BU; the calibration procedure
and the measurements are identical. Refer to the description in the previous sections.
Quick Start Guide 1312.6808.62 ─ 02
Possible cause
Converter not power-sup-
plied
Control connection not
established or Port 1 and
Port 2 connectors inter-
changed
No supply power at the
diplexer unit
Basic Operation
Troubleshooting
Remedy
Check power supply and fuse (see
ter 2.5.7, "Switching on the External Test
Set", on page 21)
Check connecting "H/L Switch" cable (see
chapter 2.5.4, "Connecting the Control
Cable", on page 17).
See
chapter 2.3, "Diplexer
Connectors",
on page 8
chap-
27
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