Gram Precision RK-15 Series, Operation Manual

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4. Press key to confirm and save. Press key to return to weighing
mode without saving.
Put the sample on the weighing pan.
HI indication appears, when the item on the weighing pan is greater than the
upper limit
OK indication appears, when the item on the weighing pan is between upper
and lower limits.
LO indication appears, when the item on the weighing pan is smaller than
lower limit
Note: the item on the weighing pan should be more than or equal to 20e.
When changing the Hi-Lo value, the scale will activate the weighing checking
function automatically. If the Lo value is higher than Hi value, then the Hi
value will become the same value as Lo data.
Basic counting
Entering a Known Unit Weight
1. Under the weighing mode, use the numeric keys together with key to
input unit weight value, and then press .
2. Put the items on the weighing pan , the scale starts counting.
Note: Symbol “ ” points at “UW” when entered unit weight is lower than 4/5
of scale division.
Unit weight Memory
1. When there is one unit weight on the screen, and press key.