In This Guide
Operating Guide xiii
Related Documents
For more information on universal counters refer to the following 
Series 200 Application Notes:
• Fundamentals of Electronic Frequency Counters 
Application Note 200—HP part number 02-5952-7506.
• Fundamentals of Time Interval Measurements 
Application Note 200-3—HP part number 02-5952-7561.
• Understanding Frequency Counter Specifications 
Application Note 200-4—HP part number 02-5952-7522.