
 
 WH-C . 8 .
when no weight on the platform or being switched off. 
 
4.4 Weighing with preset tare values 
Press the ON/OFF/ZERO with no load on the scale. 
Press and hold the TARE/PRESET key  until  the  NET  indicator  flashes  and  “Pr.Tare” 
shows in the display. 
Input the tare weight using the arrow keys (already known the weight of the wheelchair). 
After inputting the tare weight, press the TARE/PRESET key to confirm. The NET 
indicator will be lit on the display. 
Note: Tare weight must be greater than zero and less than the scale’s maximum capacity. 
Put the patient and the additional weight (e.g. in the wheelchair) to be weighed onto the 
scale platform. The net weight will be displayed. 
To exit preset tare mode, remove all weight from the scale. The display will show a 
negative weight. Press the TARE/PRESET key to return the display to zero, eliminating 
the weight of the container. 
Note: The indicator can only save one tare weight. Entering a new tare weight will 
automatically replace the old one. 
 
4.5 HOLD function 
The Hold function is being used if you like to hold the results at the display after the 
weight/load has been removed from the scale. Use this button to take care of the patient 
first and then note the weight. 
 
Press HOLD/SETUP key while scale is under load. 
“HOLD” is being displayed at the screen. 
The weight remains saved in the display after unloading the scale. 
For deactivation of the Hold function press again the HOLD/SETUP key. 
 
4.6 BMI function 
The Body Mass Index is the ratio between height and weight squared. The BMI is accepted 
world wide –also by WHO (World Health Organization) - helping to evaluate the state of 
nutrition and with that value also the state of health of a person. The result is a tolerance 
value. 
Start the scale by entering the ON/OFF/ZERO Button. The scale is automatically being 
set to zero. 
Step on the scale or helping the patient to get into the wheelchair and on the platform. 
Wait until the weight is being displayed in a stable condition and ´ ’ appears on 
the screen.