CAS AD series, Service Manual

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D.4 CONFIRMATION OF THE SPAN(MODE 5)
This mode 5 is only available after a performance of previous span calibration(mode 4).
1. Press the "TARE" key,
-> The display shows the initial zero point.
2.
Press the "ZERO" key to read a span(net weight),
-> The display shows "0".
3.
Load a full weight on the platter gently.
Unless the display has 30,000 +-1, for more accurate weighing, perform fine trimming.
4. If a span is bigger than 30,000, press the "*" or "kg/lb" key twice for a decreasing and
less than 30,000, press the "*" or "kg/lb" key and touch the "TARE" key for an increasing.
Whenever you press these keys, a count can be changed.
5.
At the end of fine trimming, press the "ON/OFF" key.
6.
Press the "ZERO" key to exit and go to the normal mode.
-> Weight display shows "Err 2", but actually this error message is not a real error, it prompts only return CAL switch to the normal
position.
7. Return the CAL switch to the normal position(initial position).