Gold jewelry & laboratory weighing scale calibration procedure
1.By long Dressing O/T
2. Press * → ↑→U each button Once in Sequence
3.You Can See S- On in Screen
4.Holding O/T Press U- once and * Twice
5.You You will will get F5 and 600.000 on the Screen Blinking
6.By Pressing U & ↑ shift keys for desired weight you want to Calibrate
7.Desired weight Starts blinking then press * You You get CAL00
8.Again Press * you get CALSP on the screen blinking
9. Place desired weight & close glass after that press *
10. Thats it your weighing scale got calibrated...