
Reducing Recall Time
‘lb reduce time during recall and frequency changes, the raw offset function and the
spur avoidance function can be turned off. turn these functions off, press
:
,
The raw offset function is normally on and controls the sampler and attenuator offsets. The
spur avoidance function is normally on and generates values as part of the sampler offset table.
The creation of this table takes considerable time during a recall of an instrument state.
lb save time at recalls and during frequency changes, both functions should be turned off. This
will avoid generating the sampler offset table.
Raw offsets may be turned on or off individually for each channel. They follow the channel
coupling. For dual channel operation, raw offsets should be turned off for each channel if the
channels are uncoupled. Spur avoidance is always coupled between channels, therefore both
channels are turned on or off at the same time.
Both functions must be turned off to realize the recall time savings.
The following table lists the recall state times with the following functions on or
raw
offsets, spur avoidance, and blank display. Using blank display may speed up recall times.
Channel
Points Raw
Time
Recall and
DualChan. 1601 On
1.011
and
I
DualChan. 1601 Off
,208
Sweep only (no
1601
and
DualChan. 201 On
and
Dual
201 Off
Sweep only (no
201 n/a
no
no
Recall and
DualChan. 201 On
Recall and
DualChan. 201 Off
Sweeponly
DualChan.
201
no
no
and
I
1601 On
I
and
I
1601
I
Recall and
I
1601 On 1.858 2.203 1.000 1.366
and
1601
1.298 1.468
Sweep only (no
Single
1601 n/a
Instrument
CF-
IF
HP-IB comman sent for timing are
or, for sweep only,
1 Error
OFF.
2
Error
ON.
Optimizing Measurement Results
Содержание HP 8753E
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