User manual
The different weighing models have integrated different foreign weighing units. 
Details can be seen in this table: 
Model 
Units 
440-21N 
440-21A 
440-33N 
440-35N 
440-35A 
440-43N 
440-45N 
440-47N 
440-49N 
440-49A 
440-51N 
440-53N 
440-55N 
Gram 
x  x  x  x  x  x  x  x  x  x  x  x  x 
Pound 
    x x x x x x x x x x x 
Ounce 
x x x x x x x x x x x x x 
Troy ounce 
x x x x x x x x x x x x x 
Tael Hongkong 
x x x x x x x x x x x x x 
Tael Taiwan 
x x x x x x x x x x x x x 
Grain 
x x x x x  x 
Pennyweight 
x x x x x x x x x x x x x 
Momme 
x x x x x x x x x x x x x 
Tola 
x x x x x x x x x x x x x 
Carat 
x x x x x  
Freely selectable factor 
x x x x x x x x x x x x x 
7.10  Display background illumination 
In 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   key 
Use the 
 key to choose between the three following settings: 
Display  Adjustment  Function 
„bl“ on 
Background illumination on  Contrastful display which 
can also be red in the 
darkness. 
„bl“ off 
Background illumination off  Battery saving 
„bl“ Ch 
The background illumination 
will be switched off 
automatically 10 sec after 
having reached a stable 
weighing value. 
Battery saving 
Use the   key to confirm your selected setting. 
440-BA-e-0941 
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