Fluke ScopeMeter 123, Service Manual, Page: 63 / 96

4-1
Chapter 4
Calibration Adjustment
Title Page
4.1 General........................................................................................................... 4-3
4.1.1 Introduction................................................................................................. 4-3
4.1.2 Calibration number and date ....................................................................... 4-3
4.1.3 General Instructions .................................................................................... 4-3
4.2 Equipment Required For Calibration............................................................. 4-4
4.3 Starting Calibration Adjustment .................................................................... 4-4
4.4 Contrast Calibration Adjustment ................................................................... 4-6
4.5 Warming Up & Pre-Calibration..................................................................... 4-7
4.6 Final Calibration ............................................................................................ 4-7
4.6.1 HF Gain Input A&B ................................................................................... 4-7
4.6.2 Delta T Gain, Trigger Delay Time & Pulse Adjust Input A ....................... 4-9
4.6.3 Pulse Adjust Input B ................................................................................... 4-10
4.6.4 Gain DMM (Gain Volt) .............................................................................. 4-10
4.6.5 Volt Zero..................................................................................................... 4-12
4.6.6 Zero Ohm .................................................................................................... 4-12
4.6.7 Gain Ohm.................................................................................................... 4-13
4.6.8 Capacitance Gain Low and High ................................................................ 4-14
4.6.9 Capacitance Clamp & Zero......................................................................... 4-14
4.6.10 Capacitance Gain ...................................................................................... 4-15
4.7 Save Calibration Data and Exit...................................................................... 4-15