EW/EG-N/EWB-e-1627 36 Operation .................................................................................................. 276.1 Operating elements ............................................................................................................ 276.1.1 Overview of the keypad ........................................................................................................ 286.1.2 Overview of display .............................................................................................................. 296.2 Operation ............................................................................................................................ 306.2.1 Weighing .............................................................................................................................. 306.2.1.1 Underfloor weighing ........................................................................................................................... 316.2.1.2 Tare weighing (tare) ........................................................................................................................... 326.2.2 Piece counting (excl. model KERN EW120-4NM) ............................................................... 346.2.2.1 Add mode ........................................................................................................................................... 366.2.3 Percent weighing (excl. model KERN EW120-4NM) ........................................................... 386.2.4 Weighing using a tolerance range (excl. model KERN EW120-4NM) ................................ 396.2.4.1 Basic settings when weighing using a tolerance range ...................................................................... 406.2.4.2 Entering the limit values by weighing ................................................................................................. 426.2.4.3 Entering the limit values using the keyboard ...................................................................................... 447 Functions .................................................................................................. 467.1 Access and changing of numerous functions: ............................................................... 467.2 List of the function parameters ........................................................................................ 477.2.1 Parameters when weighing with a tolerance range (excl. model KERN EW120-4NM) ...... 497.2.2 Parameters for the serial interface ....................................................................................... 508 Data output ............................................................................................... 518.1 Description of the serial data output (RS 232C).............................................................. 518.2 Technical data of the interface ......................................................................................... 518.3 Interface description .......................................................................................................... 528.4 Data Output ......................................................................................................................... 528.4.1 Data Transmission Formats ................................................................................................. 528.4.2 Algebraic sign ....................................................................................................................... 528.4.3 Data ...................................................................................................................................... 528.4.4 Units ..................................................................................................................................... 538.4.5 Result of the evaluation / Type of data ................................................................................. 538.4.6 Data state ............................................................................................................................. 538.5 Data input commands ........................................................................................................ 548.5.1 Command input format......................................................................................................... 548.5.2 External taring command ..................................................................................................... 548.5.3 External control commands.................................................................................................. 548.6 Feedback message after data transmission.................................................................... 559 Maintenance, upkeep, disposal .............................................................. 559.1 Cleaning .............................................................................................................................. 559.2 Maintenance, upkeep ......................................................................................................... 559.3 Disposal .............................................................................................................................. 5510 Troubleshooting ....................................................................................... 5611 Declaration of Conformity ....................................................................... 57