The different weighing models have integrated different foreign weighing units.Details can be seen in this table:ModelUnits440-21N440-21A440-33N440-35N440-35A440-43N440-45N440-47N440-49N440-49A440-51N440-53N440-55NGram x x x x x x x x x x x x xPound x x x x x x x x x x xOunce x x x x x x x x x x x x xTroy ounce x x x x x x x x x x x x xTael Hongkong x x x x x x x x x x x x xTael Taiwan x x x x x x x x x x x x xGrain x x x x x xPennyweight x x x x x x x x x x x x xMomme x x x x x x x x x x x x xTola x x x x x x x x x x x x xCarat x x x x xFreely selectable factor x x x x x x x x x x x x x7.10 Display background illuminationIn the menu the functions of the background illumination can be switched on or off.Proceed as follows:Switch-on the balance using the key and wait for the „0“ display.Press the key and keep it pressed until „UNIT“ appears on the display.Press the key seven times, in the display appears „bl“.Confirm by pressing the keyUse the key to choose between the three following settings:Display Adjustment Function„bl“ on Background illumination on Contrastful display whichcan also be red in thedarkness.„bl“ off Background illumination off Battery saving„bl“ Ch The background illuminationwill be switched offautomatically 10 sec afterhaving reached a stableweighing value.Battery savingUse the key to confirm your selected setting.440-BA-e-094120