QHW digital weighing scales user’s guide
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SECTION 4 KEY DESCRIPTIONS
Zero or
Set the zero point for all subsequent weighing. The display shows zero.
A secondary function , of "Enter" key when setting parameters or other
functions.
Tare or
Tares the scale. Stores the current weight in memory as a tare value, subtracts the
tare value from the weight and shows the results. This is the net weight. Entering a
value using the keypad will store that value as the tare value.
A secondary function , of incrementing the active digit when setting a value for
parameters or other functions.
Lim or
Sets the limits for check weighing. Allows setting of either the low limit or the high
limit or both.
Secondary function , is to move the active digit to the right when setting values
for parameters or other functions.
%
Enters the percent weighing function. Allows the weight, unit weight, and count to
be seen when parts counting.
Secondary function , is to move the active digit to the left when setting values for
parameters or other functions.
Func or
Used to select the function of the scale. If the scale is weighing it will select parts
counting. Of it is not in weighing mode it will return the user to weighing.
Secondary function ( C ) , is to act as a clear key when setting values for parameters
or other functions.
Print or
To print the results to a PC or printer using the optional RS-232 interface. It also
adds the value to the accumulation memory if the accumulation function is not
automatic.
Secondary function (ESC) , is to return to normal operation when the scale is in a
parameter setting mode.
U key
This key will select either kilograms pounds ounce g and t for the weighing unit.