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CHAPTER 9. REVISION HISTORY
4 through P3-6 and P4-4 through P4-6. P5-1 Datalogging is no longer listed as "optional."
In Chapter 5: Datalogging in Sections 5.1 and 5.2, changed Scaler Mode to Count Mode;
replaced Specifications section with Section 5.3 Data Log Operation and 5.4 Format. Added
Chapter 6: Software. Added Chapter 7: Advanced Features. Added Chapter 11: Options.
Added Appendix A: Auxiliary Communications.
December 2021:
Add references to Bluetooth. Firmware updated to version n20 to address
new board designs. Added explanation of feature to identify the board installed in the in-
strument. Clarified the audio alert which occurs when the data log buffer is full. Corrected
the beep description associated with button presses. Added clarification of the delay related
to searching log record size on power-up.
Ludlum Measurements, Inc.