User manual

Remote Control Commands
R&S
®
Scope Rider RTH
199User Manual 1326.1578.02 ─ 04
Parameters:
<StartAcqIdx> Range: -4999 to 0
Increment: 1
*RST: 0
CHANnel<m>:HISTory:STOP <StopAcqIdx>
Sets the index of the last (newer) history segment that you want to see in the history
player. To query the number of available segments, use ACQuire:AVAilable?. The
newest segment has always the index "0". Older segments have a negative index.
Parameters:
<StopAcqIdx> Range: -4999 to 0
Increment: 1
*RST: 0
Example:
CHANnel:STARt -199
CHANnel:STOP -100
The segments 101 (index -100) to 200 (index -199) in the history
player.
CHANnel<m>:HISTory:CURRent <CurrAcqIdx>
Accesses a particular segment in the memory to display it. The query returns the index
of the segment that is shown.
To determine the number of stored segments, use ACQuire:AVAilable?.
Parameters:
<CurrAcqIdx> History index: the newest segment has the index "0", older seg-
ments have a negative index: -(n-1), .... -1 , 0
n is the number of acquired segments.
Range: 0 to -(n-1)
Increment: 1
*RST: 0
CHANnel<m>:HISTory:PLAY
Starts and stops the playback of the history segments.
Example:
CHANnel:HISTory:PLAY; *OPC
See also Chapter B, "Command Sequence and Synchroniza-
tion", on page 241.
Usage: Event
Asynchronous command
CHANnel<m>:HISTory:REPLay <AutoRepeat>
If set to ON, the playback of the selected history segments repeats automatically.
Waveform Analysis