User Manual

Command Descriptions
NOTE. Use the WF
MPre:XINcr, WFMPre:XUNit, and WFMPre:XZEro queries to
determine the trigger position.
Group
Waveform
Syntax
WFMPre:PT_Off
Arguments
Arguments are ignored.
WFMPre:<wfm>:PT_Off
Same as WFMPre:PT_Off, except that <wfm> specifies the source/destination
waveform instead of DATa:SOUrce and DATa:DESTINATION.
For set commands, if <wfm> is not a reference waveform, the oscilloscope
generates error 2241.
Otherwise, the set form of this command is ignored.
WFMPre:WFId? (Query Only)
Returns a descriptive string from the waveform specified in the DATa:SOUrce
command, if that waveform is active or displayed. If that waveform is not active
or displayed, the query fails and the oscilloscope generates an execution error with
event code 2244 (waveform requested is not active).
Group
Waveform
Syntax
WFMPre:WFId?
Examples
For a YT waveform, WFMPRE:WFID? might return: WF MPRE:WFID "Ch1, DC
coupling, 1.0E0 V/div, 5.0E-4 s/div, 250 0 points, Sample
mode"
For a Math waveform, WFMPRE:WFID? might return: WFMPRE:WFID "Math,
DC coup ling, 1.0E0 V/div, 5.0E-4 s/di v, 2500 points, Sample
mode"
For an FFT spectrum (TDS200 Series with a TDS2MM measurement module,
TDS1000, TDS2000, TDS1000B, TDS2000B, TDS2000C, and TDS2000 Series
only),
WFMPRE:WFID? might return: WFMPRE:WFID "Math, DC coupling,
1.0E1 d B/div, 2.52525253E4 Hz/div, 10 24 points, Sample mode"
2-188 TDS200, TDS1000/2000, TDS1000B/2000B, TDS2000C, TPS2000 Programmer