User Manual

Network and Remote Operation
R&S
®
FPL1000
572User Manual 1178.3370.02 ─ 09
Bit No. Meaning
3 Input Overload
This bit is set if the signal level at the RF input connector exceeds the maximum.
The RF input is disconnected from the input mixer to protect the device. In order to re-enable
measurement, decrease the level at the RF input connector and reconnect the RF input to the
mixer input.
For details on the protection mechanism see "RF Input Protection" on page 276 or
INPut<ip>:ATTenuation:PROTection:RESet on page 789.
The R&S FPL1000 displays the keyword "INPUT OVLD".
4 to 14 Unused
15 This bit is always 0.
STATus:QUEStionable:TEMPerature Register
The STATus:QUEStionable:TEMPerature register contains information about possible
temperature deviations that may occur during operation of the R&S FPL1000. A sepa-
rate temperature register exists for each active channel.
You can read out the register with STATus:QUEStionable:TEMPerature:
CONDition? or STATus:QUEStionable:TEMPerature[:EVENt]?
Table 10-17: Meaning of the bits used in the STATus:QUEStionable:TEMPerature register
Bit No. Meaning
0 This bit is set if the frontend temperature sensor deviates by a certain degree from the self-
alignment temperature.
During warmup, this bit is always 1.
For details see "Temperature check" on page 535.
1 to 14 Unused
15 This bit is always 0.
STATus:QUEStionable:TIMe Register
The STATus:QUEStionable:TIMe register contains information about possible time
errors that may occur during operation of the R&S FPL1000. A separate time register
exists for each active channel.
You can read out the register with STATus:QUEStionable:TIME:CONDition? or
STATus:QUEStionable:TIME[:EVENt]?
Table 10-18: Meaning of the bits used in the STATus:QUEStionable:TIMe register
Bit No. Meaning
0 not used
1 Sweep time too low
This bit is set if the sweep time is too low.
2 to 14 Unused
15 This bit is always 0.
Remote Control Basics