Status Reporting System R&S FSL
1300.2519.12 5.24 E-11
STATus:QUEStionable:SYNC Register
This register contains information about sync and bursts not found, and about pre–measurement results
exceeding or falling short of expected values (for details on GSM power measurements refer to chapter
"Advanced Measurement Examples", and the Quick Start Guide, chapter 5, "Basic Measurement
Examples").
It can be read using the commands STATus:QUEStionable:SYNC:CONDition? and
STATus:QUEStionable:SYNC[:EVENt]?.
Table 5–12 Meaning of bits in STATus:QUEstionable:SYNC register
Bit No.
Meaning
0
BURSt not found
This bit is set if no burst is found in the measurements/pre–measurements for
phase/frequency error (PFE) or carrier power versus time (PVT). If a burst is found in
these measurements/pre–measurements, the bit is reset.
1
SYNC not found
This bit is set if the synchronization sequence (training sequence) of the midamble is not
found in the measurements/pre–measurements for phase/frequency error (PFE) or carrier
power versus time (PVT). If the synchronization sequence (training sequence) of the
midamble is found in these measurements/pre–measurements, the bit is reset.
With option TV Trigger (B6), this bis is set in the free run trigger mode if the trigger does not
return data.
2
No carrier
This bit is set if the level value determined in the pre–measurements for carrier power
versus time (PVT) and spectrum due to modulation is too low. The bit is reset at the
beginning of the pre–measurement.
3
Carrier overload
This bit is set if the level value determined in the pre–measurements for carrier versus time
(PVT) and spectrum due to modulation is too high. The bit is reset at the beginning of the
pre–measurement.
4–14 Not used.
15 This bit is always 0.
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