Changes from 2.49 to 2.51

  • Web admin GUI modified to work with browsers running Java 8. Java 8 required signatures for improved security. Users must update their browser Java to version 8. If the user can't update to Java 8, then they must use the previous firmware

Changes from 2.43 to 2.49

  • Fixed SYST:SEC:IMM to improve memory sanitization algorithm
  • Minor improvement in SCPI command parse time for operations involving large channel lists
  • SYST:PRESET now clears alarm outputs
  • Optional Digital IO module: SOURCE:DIG:DATA now throws a data out of range error if
    called with a value that does not fit within the previously configured channel width
    (see CONF:DIG:WIDTH)

Changes from 2.41 to 2.43

  • WebUI: Increased size of the buffer for HTTP headers (occasionally refusing connections from certain hosts)

Unit firmware changes:

  • 34945EXT (1.40)

Changes from 2.33 to 2.41

Unit firmware changes:

  • 34945EXT (1.39 to 1.40): Fixed defect on the 34945EXT that could cause unrecoverable firmware if power is lost during a firmware update.

Changes from 2.31 to 2.33

  • Added support for new generation of microprocessor on 34945EXT shipped after June 1, 2008.