KERN and SOHN DLB 160-3A Mode D'emploi page 76

Invoke service function:
 In weighing mode press the MENU button and keep it pressed until the acoustic
signal gets mute. Release the button and the menu item "units" will appear.
 Press repeatedly the MENU button until „Service" will be displayed.
 Confirm by pressing the PRINT button. Select the required settings by pressing
the MENU button
20
Calibration of temperature, see chap. 9.2.1

Adjustment of temperature, see chap. 9.2.2

Settings of lamp
DLB_A-BA-e-1714