DATA:POINts?
DATA:POINts?
Syntax
DATA:POINts?
Description
This query returns the total number of readings currently stored in reading memory from a scan.
Remarks
- You can read the count at any time, even during a scan.
- You can store at least 50,000 readings in memory and all readings are automatically time stamped. If memory overflows, a bit in the STATus:QUEStionable:CONDition? register is set and new readings will overwrite the first (oldest) readings stored. The most recent readings are always preserved. Reading memory is not cleared when you read it.
- The questionable status bit will be cleared when memory is cleared. The questionable status bit will not be cleared if memory is emptied with DATA:REMove? or R?.
- The instrument clears all readings from memory when a new scan is initiated, when any measurement parameters are changed (CONFigure and SENSe commands), and when the triggering configuration is changed (TRIGger commands).
- The instrument clears all readings from memory after a Factory Reset (*RST command) or after an Instrument Preset (SYSTem:PRESet command).
Return Format
The query returns a value between 0 and 50,000 as a signed integer, indicating the number of readings currently stored in reading memory.
Example
The following query returns the number of readings in memory.
DATA:POIN?
Typical Response: +320
See Also