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The Scale Zero Push Button is used for multiple functions as listed in
Tab le A- 3.
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This switch initiates the scale’s calibration routine. A certified weight set is
needed to perform the scale calibration steps detailed in Section 5, Cali-
bration. This switch is not included in scanners without scale modules.

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This seal allows you to secure the Calibration Switch access cover and
restrict access to the Calibration Switch. If the calibration seal is broken or
missing, you may be prohibited from operating the scale without recertifi-
cation. Check local and state requirements for specific restrictions.
NOTE
The Scale Zero Push Button has no function in a “scanner only” model.
PRESS
DURATION FUNCTION COMMENT
Momentary Zero Scale
When programmed to do so, the yellow LED should be lit when no
weight is on the scale, indicating scale at zero. If it is not, press the
switch to zero the scale. The unit will sound a “click” upon pressing
the button.
4 Seconds Scale Diagnostics
Modea
This mode allows system support personnel to troubleshoot prob-
lems with the scale. Momentarily press the Scale Zero Push Button
or cycle power to exit Scale Diagnostics Mode.
a. Diagnostics Mode is meant for use by trained systems support personnel. Users should not need to ini-
tiate this function under normal circumstances.