RADWAG PS 510.R2.CT Carat Balance - Manual (Page 60)

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Cycle of automatic adjustment process:
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Balance software detects the necessity of carrying out adjustment and
signals it by displaying a thermometer pictogram and <Cal> at the top of
the display.
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During this time interval of about 2 minutes within which weighing
procedure can be completed
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As the 2 minute time elapses, balance display indicates message CAL_30
and starts counting down from 30..29..28 to 0 (indicated value is the
counter),
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Balance user has 30 seconds to make a decision
 In order to start adjustment, do not take any actions
 In order to complete weighing procedure, press Esc. When pressed,
balance returns to weighing procedure and displays last weighing
result. In about 5 minutes balance indicates CAL_30 message again.
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The adjustment process can be postponed for multiple times, but it needs
to be pointed out that postponing of adjustment for a long time may lead to
larger errors of weighing process. The errors are the effect of temperature
changes and as a consequence changes of balance sensitivity.
Automatic adjustment process takes place in three different areas:
• Adjustment on plugging the balance to mains – verified balances.
• Adjustment triggered by temperature change inside the balance. The
balance is equipped with very precise system for monitoring
temperature. At each adjustment process, the temperature is saved
in the system. The next adjustment is automatically initiated if
temperature changes more than 3°C from the last saved
temperature.