A&D FX-i SERIES - Manual (Page 16)

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If the balance judges that the mass of the samples is too light to aquire accurate weighing, it
displays an error requiring the addition of more samples to the specified number. In the
example above,
1 50- PCS appears, requiring 25 more samples. Add 25 samples and press the
PRINT key. When the unit mass is stored correctly, the balance proceeds to the counting
mode.
Counting operation
7 Place the samples to be counted on the pan.
While the stabilization indicator is on, pressing the PRINT
key will output the weight value, using the RS-232C serial
interface.
Note
Peripheral equipment, that is sold separately , such
as a printer or a personal computer is required.
Counting mode using the ACAI function
The ACAI is a function that improves the accuracy of the unit
mass automatically by increasing the number of samples
and averaging the unit mass variable to minimize the
weighing error, as the counting process proceeds.
8 If a few more samples are added, the processing indicator turns on. To prevent an error, add
three or more. The processing indicator does not turn on if overloaded. Try to add the same
number of samples as displayed.
9 The balance re-calculates the unit mass while the processing indicator is blinking. Do not
touch the balance or samples on the pan until the processing indicator turns off.
10 Counting accuracy is improved when the processing indicator turns off.
Each time the above operation is performed, a more accurate unit mass will be obtained.
There is no definite upper limit of ACAI range for the number of samples exceeding 100. Try
to add the same number of samples as displayed.
11 Remove all the samples used in ACAI and proceed with the counting operation using the
improved unit mass.