Model 644 27
GB
5. Operation
Controls and displays
The controls and the display are on the display head on the column.
Switch scale on and off
press briefly s switch between kg and lbs
hold down s switch between kg and sts
in function menu s increase value, scroll
press briefly s activate hold function
hold down s set display to zero, activate/deactivate tare function
in function menu s decrease value, scroll
Activate BMI or pre-Tare function, and confirm key for entries
In order to ensure that the display can be
read from different positions, the display
head can be rotated 180° in both
directions.