Table of contentsSection 1 Introduction.....................................................................11Introduction to the operator’s manual...............................................11About the complete set of manuals for an IED............................11About the operator’s manual.......................................................12Intended audience.......................................................................13Revision notes.............................................................................13Section 2 Safety information..........................................................15Warnings..........................................................................................15Section 3 Overview........................................................................17Operator overview............................................................................17Identify the IED.................................................................................17Section 4 Understand the IED local human-machineinterface..........................................................................21Overview...........................................................................................21Keypad.............................................................................................22Key activated screens......................................................................23The Help screen..........................................................................23The Reset screen........................................................................24LCD..................................................................................................24Small............................................................................................24Medium........................................................................................24LED...................................................................................................25Introduction..................................................................................25Status indication LEDs................................................................25Indication LEDs...........................................................................25Local HMI setup ...............................................................................26How to navigate................................................................................26Read............................................................................................26Change .......................................................................................26Control.........................................................................................27Section 5 Understand the HMI tree................................................29Overview...........................................................................................29Menu-tree for REB670.................................................................29Section 6 Read measured values..................................................31Overview...........................................................................................31View analog primary values..............................................................32Table of contents1Operator's manual