OBSOLETE: Set A/B Trace – Control Byte #34 (22h)
This command is included for compatibility with the MS2711B. To access the new features, use Control Byte
#35.
Description: Defines traces "A" and "B".
Trace A is always the currently measured data (with or without trace math). It is always visible.
Trace B is always stored data and may come from a saved sweep or a previous "A" trace. There is no default for
trace B. Trace B can be ON (visible) or OFF.
Bytes to Follow: 3 bytes
1) "A" trace display (00h = A only, 01h = A-B, 02h = A+B)
2) "B" trace status (00h = OFF, 01h = ON)
3) "B" trace number
0 = save current "A" data into "B" buffer, use that as "B"
1-200 = trace number
255 = no "B" trace defined
Spectrum Master Returns: 1 byte
1) 255 (FFh) Operation Complete Byte
224 (E0h) Parameter Error: Incorrect "A" or "B" trace, "B" trace requested to be used in calculations
or displayed, but no trace or invalid trace specified
238 (EEh) Time-out Error
Set SPA A/B Trace – Control Byte #35 (23h)
This command is new to the MS2711D. Use it, instead of Control Byte #34, to access the new features.
Description: Defines traces "A" and "B" for Spectrum Analyzer mode.
Trace A is always the currently measured data (with or without trace math). It is always visible.
Trace B is always stored data and may come from a saved sweep or a previous "A" trace. There is no default for
trace B. Trace B can be ON (visible) or OFF.
Bytes to Follow: 3 bytes
1) "A" trace display (00h = A only, 01h = A-B, 02h = A+B)
2) "B" trace status (00h = Off, 01h = On)
3) "B" trace number
0 = save current "A" data into "B" buffer, use that as "B"
1-200 = trace number
255 = no "B" trace defined
Spectrum Master Returns: 1 byte
1) 255 (FFh) Operation Complete Byte
224 (E0h) Parameter Error: Not enough bytes transferred, "B" trace requested to be used in
calculations or displayed, but no trace or invalid trace specified
238 (EEh) Time-out Error
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