7.4.2 NTEP models 267.5 Percent weighings 287.5.1 Non NTEP models 287.5.2 NTEP models 298 The menu 308.1 Menu map 308.2 Call up menu 308.3 Navigation in the menu 308.4 Menu overview non NTEP models 308.5 Menu overview NTEP models 328.6 Menu settings 338.6.1 Switch over weighing units (Unit) (only non NTEP appliances) 338.6.2 Display background illumination 348.6.3 Multi-Tare function (only models NTEP) 359 Data output RS 232 369.1 Technical data 369.2 Pin allocation of balance output bushing: 369.3 Printer operation - printout examples 379.4 Continuous data output 389.5 Remote control instructions 3810 Error messages 3911 Service, maintenance, disposal 4011.1 Cleaning 4011.2 Service, maintenance 4011.3 Disposal 4012 Instant help 41