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Thunderbird T30 - Page 4

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Tare
When pressed during normal weighing, the scale will display 4 dashes (----) and cancel any
weight that exists on the weigh bars. After a few seconds the display will show zero weight,
regardless of any weight (such as a weigh box) that may be present. The tare button also has
other purposes that will be described during other various functions.
Mode
Mode selects the weighing mode. The current mode is displayed during normal
operation. There are 3 available weigh modes, each with a different purpose. They are:
Livestock (Cow icon) This mode is designed to weigh moving weights, such as animals. The
indicator switches to a damping system that filters out sudden changes in weight, and averages
many weight samples over a couple of seconds. Two weights are displayed at first at one second
intervals, then there is a delay until the weight becomes stable, at which point the actual weight
is displayed. The displayed weight will change if the indicator determines that the weight isn’t
quite right.
Livestock Locking (Cow with a lock icon) Locking mode works the same as normal livestock
mode, except that once a weight is displayed, any change in weight won’t be shown until the
change exceeds +/-5% of that displayed.
General (Trolley icon) This mode is for weighing static weights and produce. The displayed
weight is updated every second, and doesn’t have any weight damping or zero tracking. It is
suitable for weighing products that are slowly added to, such as weighing grain being augured
into a bin.
Weigh
The weigh button has different functions depending on the mode setting.
In livestock locking mode, pressing the weigh button will cause a new weight reading to be taken
and displayed, regardless of a change in weight.
In livestock and general modes, pressing the weigh button will cause the weight to be held on the
display, even after the weight has been removed. The large lock icon will be displayed. This
held weight will disappear automatically and a new weight will be displayed when another
weight is applied onto the scale. Pressing the weigh button again when the weight has been
removed will cause the display to return to zero.
Kg/lb
The indicator is capable of displaying weights in either pounds or kilograms. Alternate presses of
this button swaps between units. The unit the weight is shown on the display.
Settings
Pressing the settings key once will cause the system capacity to be displayed. Pressing
it again will cause the scale to return to normal weighing. The calibration mode may be
entered by pressing the settings key once, and then pressing the down arrow key.
OK
The OK key is pressed to accept values selected during draft setup, stats, and
calibration. It is also used to enter the animal’s weight into stats when manual drafting.

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