E4981A Capacitance Meter, 120 Hz/ 1 kHz/ 1 MHz Firmware Revision History 

Additions/Changes for Version A.03.21. . . (compiled Dec, 2022)
  • For FW A.3.15
  • Enhanced behavior of power failure by applying surge
Additions/Changes for Version A.03.20. . . (compiled Dec, 2022)
  • For FW A.3.12
  • Enhanced behavior of power failure by applying surge
  • Fixed Turn On error due to DSP response
Additions/Changes for Version A.03.15. . . (compiled Mar, 2016)
  • For FW A.3.13
  • Fixed Turn ON error due to DSP response
Additions/Changes for Version A.03.13. . . (compiled Sep, 2015)
  • For FW A.3.11
  • Fixed minor security hole in VxWorks
Additions/Changes for Version A.03.12. . . (compiled Sep, 2015)
  • For FW A.3.10 or below
  • Fixed minor security hole in VxWorks
Additions/Changes for Version A.03.11. . . (compiled Apr, 2015)
  • Initial for FW A.03.11
  • Support new LCD/FPGA
Additions/Changes for Version A.03.10. . . (compiled Apr, 2015)
  • For FW A.3.00 or below
  • Support old LCD/FPGA
Additions/Changes for Version 1.10. . . (compiled Oct, 2009)
Fixed bug on I/O error through device using USB control.
Note: For MY48100471 and above, the firmware revision 1.10 and later can be only installed. Do NOT attempt to install the older firmware revisions. 
 
Additions/Changes for Version 1.01. . . (compiled Dec, 2008)
Revised digital I/F program revision check.

Version 1.00 . . . (compiled Oct, 2008)
Initial Release