Super II • User Functions 19
Counting with Accuracy Enhancement
When counting parts that are not uniform in weight, it is possible to periodically update the average piece
weight (APW) and thereby increase the accuracy. Each time the UPDTAPW key is pressed, the scale will
update the APW as long as the additional weight is less than or equal to the previous sample weight. If the
added weight is more than 100% of the previous sample, the APW will not be updated. For example,
starting with a sample size of 10 pieces, add 10 more and press the UPDTAPW key. The APW will be
recalculated based on a 20 piece sample. When adding 11 or more to the original 10 piece sample, the
APW will not be updated. To count using this accuracy enhancement feature, follow the procedure below.
1. Place an empty container on the scale and press the ZERO or tare key.
2. Press the SAMPLE key. The scale display will read “ADD 10 Pieces.”
(The sample size requirement can be increased by pressing the LRG SPL key repeatedly. The factory default sample sizes
are: 10, 25, 50 and 100 PIECES. This sequence of programmed sample sizes will repeat itself as the LRG SPL key is pressed.)
3. When the desired sample size is reached, place the requested number of pieces in the container.
4. Press the COUNT key. Wait for the “OK” symbol, then slowly add pieces until the displayed count is increased by 100% or
less.
5. Press the UPDTAPW key. The scale automatically calculates a new average piece weight based on the larger number of
pieces, and is ready to continue counting.
If “Calculating stable APW” is not displayed on the top line, the additional pieces have exceeded 100% of the previous sample
weight and the APW will not be updated. The message “Unable to recalculate APW: Resample” will be displayed and the scale
will continue counting using the previously calculated APW.
CAUTION: This accuracy enhancement feature is disabled if the average piece weight has been scanned
in from a bar code or entered via a computer or from a numeric keypad.
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