Programming
1157
Improving Command Processing Speed
SCPI commands should be processed quickly to improve throughput when
such commands are frequently executed (for example, reading out traces
for each measurement).
With the E5071C, the processing time for SCPI commands can be improved
by decreasing the refresh rate of the LCD display.
Measurement results (trace) do not need to be updated
When the measurement trace does not need to be updated, turn off the
updating of the LCD display. This improves the processing speed of SCPI
commands and eliminates the time used for updating the screen.
To turn off the updating of the LCD display, use the following command:
:DISP:ENAB
Measurement results (trace) need to be updated
When the measurement trace needs to be updated, the processing speed
of SCPI commands can still be improved by controlling the update timing of
the LCD display:
1. Execute all SCPI commands that are required before measurement,
including commands setting conditions.
2. Turn OFF the update of the LCD display.
3. Perform the measurement.
4. Execute the commands for reading out measurement result or
analyzing the result. Note that reading out the result in binary format
will accelerate data transfer.
5. Execute the following command to update the LCD display once
:DISP:UPD
6. Return to Step 3.
Sample program
See Control LCD Update Timing.
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