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4-18 Monitoring the Instrument
Table 4-3. Bits in Operation Status Register
Bit
Definition
0
not used
1
SETTling - indicating that the instrument is waiting for the motor to reach the
proper position before beginning data acquisition.
2
RANGing - indicating the instrument is currently gain ranging.
3
not used
4
MEASuring - indicating that the instrument is making a measurement.
5 through 8
not used
9
Processing - indicating that the instrument is currently processing the data
acquired.
10
Hardcopy - indicating that the instrument is currently printing the data to the
parallel port.
11
Averaging - indicating that the instrument is in the process of averaging the
noise for the signal-to-noise ratio calculation.
12 through 16
not used
Table 4-4. Bits in Questionable Status Register
Bit
Definition
0, 1, and 2
not used
3
POWer - indicating that the instrument is measuring too high of a power.
4 through 8
not used
9
Maximum signals - indicating that the instrument has found the maximum
number of signals.
10
Drift Reference - indicating that the number of reference signals is different
from the current number of input signals.
11
Delta Reference - indicating that there is no delta reference signal.
12 through 13
not used
14
Command Warning - indicating that the instrument has received some extra
unexpected parameters for one of the measurement functions.
15
not used
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