M E A S U R E M E N T S Y S T E M S I N T E R N A T I O N A L
MSI-4300 Porta-Weigh Plus/5 Key
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User Guide
Page 17
message. Push ENTER (TEST).
3) The message reads “Ø SCALE”. Remove all weight from the scale. Push
ZERO. When motion ceases and assuming the detected zero weight is
within acceptable limits the message reads “ZEROED”.
4) Use the SELECT (NET/GROSS) and ENTER (TEST) key to cause the
left most digit of the displayed reading to match the RCAL value noted
earlier. Repeat for the remaining digits. Push ENTER (TEST).
5) CAL RCAL is complete, push CLEAR (ZERO) to return to normal scale
operation, or push SELECT (NET/GROSS) to choose another Calibrate
Setup function.
TO ENABLE/DISABLE AZM (AUTO ZERO MAINTENANCE)
1) Enable Calibration by pushing the key behind the seal port.
2) Use the SELECT (NET/GROSS) key to scroll to the “AZM” message.
Push ENTER (TEST).
3) Use the SELECT (NET/GROSS) key to scroll through the AZM options.
When the desired mode (ENABLED, or DISABLED) is displayed push
ENTER (TEST).
Caution
: Disabling Auto Zero Maintenance will degrade temperature and
drift performance of the Porta-Weigh Plus. Disabling it is only intended for
testing at certification.
Seal the Calibration Port. This completes the Calibration Procedure.
TO SET THE LEGAL STANDARD
Caution
: Do not change the standard in a Legal for Trade system. Changing the
standard will violate the terms of the LFT certificate.
1) Enable Calibration by pushing the key behind the seal port.
2) Use the SELECT (NET/GROSS) key to scroll to the “STANDARD”
message. Push ENTER (TEST).
3) Use the SELECT (NET/GROSS) key to scroll through the “STAN-
DARD” options. When the desired standard is displayed push ENTER
(TEST).
