Table of Contents1. INTRODUCTION ............................................................................... 31.1 International Electrical Symbols................................................31.2 Definition of Measurement Categories .....................................41.3 Receiving Your Shipment..........................................................41.4 Ordering Information .................................................................41.4.1 Accessories and Replacement Parts ............................42. PRODUCT FEATURES ...................................................................... 52.1 Description ................................................................................52.2 MR461 Features .......................................................................62.3 MR561 Features .......................................................................72.4 Instrument Display Compatibility ..............................................83. SPECIFICATIONS............................................................................. 93.1 Reference Conditions ...............................................................93.2 MR461 Specifications ...............................................................93.2.1 Electrical .......................................................................93.2.2 Mechanical ..................................................................103.3 MR561 Specifications .............................................................103.3.1 Electrical .....................................................................103.3.2 Mechanical .................................................................. 113.4 Common Specifications (MR461 & MR561) ........................... 113.4.1 Electrical ..................................................................... 113.4.2 Mechanical ..................................................................123.4.3 Safety ..........................................................................134. OPERATION .................................................................................. 144.1 Making Measurements ...........................................................144.1.1 DC Measurement ........................................................144.1.2 AC Measurement ........................................................154.1.3 Indicator Lights: Green LED .......................................154.1.4 Making Measurements with the Connector ................154.1.5 Auto-Off.......................................................................164.2 Tips For Getting the Best Accuracy ........................................16www.ShopAEMC.caShop for AEMC products online at: 1.800.561.8187