Controls – Holtgreven Truck Scale Resources User Manual
Page 9

PT300 Users manual
Rev G, Feb 2011
Page 9 of 44
Controls
ON / OFF
Press and hold this key to apply power to the weighing system electronics. Make sure to
hold this key until the display responds (up to 1 second). When power is first applied, the
weighing system rapidly performs self-tests of the pad and the internal electronics. When
the tests have completed successfully, the system begins weighing. If a problem is
detected, the screen displays an error message.
If the PT300 is powered up, press this button to turn the scale off. The PT300 retains the
setup information, and calibration in a special memory device (non-volatile memory) that is
not affected by power loss or battery condition.
PRINT / ACCUMULATE
Press this button to print. When using the accumulated total function: press the PRINT /
ACCUMULATE button to add the total to the accumulated total. See section titled “Using
Accumulated Total”.
New accumulated total = total weight (all scales in system) + old accumulated total
Once a successful accumulation has a occurred, the scale will automatically toggle it’s display
to show the current weight, accumulated total, and number of accumulations.
Note: The scale will not accumulate and will display the error message “Ac
Ac
Ac
Ac.Err
Err
Err
Err” if the
current weight is negative, zero, or if the weight is in motion. These Protections are added
to ensure that only valid readings are accumulated into the total. Also, after a successful
accumulation, ALL scales in the system must return to zero before you accumulate the next
2000
2000
2000
2000
5500
5500
5500
5500
P-03
P-03
P-03
P-03
current weight
displayed for
5 seconds
total accumulated
weight displayed
for 2 seconds
total number of
accumulations
displayed for 1