Lg Electronics QHW 15 User Manual

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SECTION 10 CALIBRATION                                     
 
10.1 Linear calibrate 
To start calibration turn the scale off and then turn it back on.    Press the limit and % 
keys together during the initial counting from 9 to 0 on the display. 
 
The display will show "unLoAd".    Remove all weight from the pan and then press the 
ZERO/ENTER key to set the initial zero point. 
 
The display will then show the first calibration weight request.    Put this weight on the 
platform and then press the ZERO/ENTER key    when stable.    The scale should be 
stable before pressing the ZERO/ENTER key to accept a weight.  The stability 
indicator will turn on to show the value is stable. 
 
After all calibrate weight completed, press ZERO/ENTER to complete the calibration.   
The scale will begin counting back to zero after the last weight has been selected. 
 
Calibration weights   
QHW SERIES 
Model # 
QHW 3 
QHW 6 
QHW 15 
QHW 30 
Weight 
1  zero zero zero zero 
Weight 2 
1000g 
2kg 
5kg 
10kg 
Weight 3 
3000g 
6kg 
15kg 
30kg 
 
10.2 Normal calibrate 
To start calibration turn the scale off and then turn it back on.    Press the Tare and % 
keys together during the initial counting from 9 to 0 on the display. 
 
The display will show "unLoAd".    Remove all weight from the pan and then press the 
ZERO/ENTER key to set the initial zero point. 
 
Then use %Limit and Tare key to key in calibrate weight, press Zero key to sure, 
display shows “load”, put this weight on platter, after stable indicator on, press Zero 
key to sure. 
 
After selfchecking again, QHW is ready for you.