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160 Agilent N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide
Programming the Status Register System
Status Groups
Standard Operation Condition Register
The Standard Operation Condition Register continuously monitors the hardware and firmware status
of the signal generator. Condition registers are read only.
Table 4-5 Standard Operation Condition Register Bits
Bit Description
0
a
a.In the N5181A, E4428C, E8257D, and E8663B, this bit is always set to 0.
I/Q Calibrating. A 1 in this position indicates an I/Q calibration is in process.
1 Settling. A 1 in this bit position indicates that the signal generator is settling.
2 Unused. This bit position is always set to 0.
3 Sweeping. A 1 in this bit position indicates that a sweep is in progress.
4
b
b.Always set to 0 if Option UN7 not present (E4438C only).
Measuring. A 1 in this bit position indicates that a bit error rate test is in progress.
5
c
c.Option 300 is only available on the E4438C.
Waiting for Trigger. A 1 in this bit position indicates that the source is in a “wait for trigger”
state. When option 300 is enabled, a 1 in this bit position indicates that TCH/PDCH
synchronization is established and waiting for a trigger to start measurements.
6,7,8 Unused. These bits are always set to 0.
9
d
d.This bit is always set to 0.
DCFM/DCφM Null in Progress. A 1 in this bit position indicates that the signal generator is
currently performing a DCFM/DCΦM zero calibration.
10
c
Baseband is Busy. A 1 in this bit position indicates that the baseband generator is
communicating or processing. This is a summary bit. See the “Baseband Operation Status
Group” on page 162 for more information.
11
e
e.In the N5181A and N5182A this bit is always set to 0.
Sweep Calculating. A 1 in this bit position indicates that the signal generator is currently doing
the necessary pre-sweep calculations.
12
b
BERT Synchronizing. A 1 in this bit position is set while the BERT is synchronizing to ‘BCH’,
then ‘TCH’ and then to ‘PRBS’.
13, 14 Unused. These bits are always set to 0.
15 Always 0.
Query:
STATus:OPERation:CONDition?
Response: The decimal sum of the bits set to 1
Example: The decimal value 520 is returned. The decimal sum = 512 (bit 9) + 8 (bit 3).