6 Operation .................................................................................................. 27
6.1 Operating elements ............................................................................................................ 27
6.1.1 Overview of the keypad ........................................................................................................ 28
6.1.2 Overview of display .............................................................................................................. 29
6.2 Operation ............................................................................................................................ 30
6.2.1 Weighing .............................................................................................................................. 30
6.2.1.1 Underfloor weighing ........................................................................................................................... 31
6.2.1.2 Tare weighing (tare) ........................................................................................................................... 32
6.2.2 Piece counting (excl. model KERN EW120-4NM) ............................................................... 34
6.2.2.1 Add mode ........................................................................................................................................... 36
6.2.3 Percent weighing (excl. model KERN EW120-4NM) ........................................................... 38
6.2.4 Weighing using a tolerance range (excl. model KERN EW120-4NM) ................................ 39
6.2.4.1 Basic settings when weighing using a tolerance range ...................................................................... 40
6.2.4.2 Entering the limit values by weighing ................................................................................................. 42
6.2.4.3 Entering the limit values using the keyboard ...................................................................................... 44
7 Functions .................................................................................................. 46
7.1 Access and changing of numerous functions: ............................................................... 46
7.2 List of the function parameters ........................................................................................ 47
7.2.1 Parameters when weighing with a tolerance range (excl. model KERN EW120-4NM) ...... 49
7.2.2 Parameters for the serial interface ....................................................................................... 50
8 Data output ............................................................................................... 51
8.1 Description of the serial data output (RS 232C).............................................................. 51
8.2 Technical data of the interface ......................................................................................... 51
8.3 Interface description .......................................................................................................... 52
8.4 Data Output ......................................................................................................................... 52
8.4.1 Data Transmission Formats ................................................................................................. 52
8.4.2 Algebraic sign ....................................................................................................................... 52
8.4.3 Data ...................................................................................................................................... 52
8.4.4 Units ..................................................................................................................................... 53
8.4.5 Result of the evaluation / Type of data ................................................................................. 53
8.4.6 Data state ............................................................................................................................. 53
8.5 Data input commands ........................................................................................................ 54
8.5.1 Command input format......................................................................................................... 54
8.5.2 External taring command ..................................................................................................... 54
8.5.3 External control commands .................................................................................................. 54
8.6 Feedback message after data transmission .................................................................... 55
9 Maintenance, upkeep, disposal .............................................................. 55
9.1 Cleaning .............................................................................................................................. 55
9.2 Maintenance, upkeep ......................................................................................................... 55
9.3 Disposal .............................................................................................................................. 55
10 Troubleshooting ....................................................................................... 56
11 Declaration of Conformity ....................................................................... 57