30 67XXU USB/Serial Scale Service Manual
4.4.2 Obtain Piece Weight
There are two ways to obtain the piece weight:
Input Piece Weight Directly
1. Press the [UNIT] key.
2. When InP.PW is displayed, press the [TARE] key to enter into the piece weight
mode.
3. When UNIT.KG is shown, use the [UNIT] key to select the unit of piece weight.
4. Use the [TARE] key to confirm and go to piece weigh entry. The display will
show L0001 (Note: Since the LCD can only show 4 digits, but the software
allows 6 digits total, so there will be separate displays: L0001 and H00, L0001
displays the low position digits and H00 displays the high position digits).
5. From the L0001 display, use [HOLD] and [UNIT] key to input new piece
weight.
5a. Press the [UNIT] key to increase the numbers.
5b. Press the [HOLD] key to change the flashed position.
5c. Press the [HOLD] key more than 3 seconds to input decimal point.
5d. If the input piece weight is less than 0.5d, the indicator will display PWt.Er and
go back to counting mode.
6. Press the [TARE] key to confirm the entry.
7. Press the [ZERO] key to exit the piece weight mode and back to counting
mode.
Sample a Known Quantity
1. Press the [UNIT] key.
2. When In.PWt is shown, use the [UNIT] key to select SPL.lo.
3. Press the [TARE] key to weigh samples (which quantity is known) weight,
calculate piece weight.
4. When SPL.Lo is shown, remove the sample on scale and press the [TARE] key
to confirm. Before scale is stable, SPL.Lo will be flashed. After it is stable, it will
go to next step.
5. When SPL.Hi is shown, put samples (if quantity is known) onto the scale,
Press the [TARE] key to confirm reading weight. Before scale is stable, SPL.hi
will be flashed. After it is stable, it will go to next step.
5a. If the calculated piece weight is less than 0.5d, the indicator will display PWt.Er
and go back to counting mode. Otherwise, after the reasonable piece weight
has been captured, the scale will go back to counting mode. The piece weight
will be saved and used again.
6. After IN.PCS shown, L0000 will be displayed.
7. Use the [UNIT] and [HOLD] keys to input the quantity of samples.
8. Press the [TARE] key to confirm the entry.
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