Datalogic QuickScan i QD2100 Uživatelská příručka stáhnout pdf (Strana 31)

Developers Guide

Quick Reference Guide 27

Device Specific Methods:

GetSalesPrice:

Returns 0

Not implemented

GetUnitPrice:

Returns 0

Not implemented

SetUnitPrice:

Returns OPOS_E_ILLEGAL

Not implemented

DisplayText:

Returns OPOS_E_ILLEGAL

ReadWeight:

Returns

OPOS_SUCCESS

OPOS_E_EXTENDED

OPOS_E_TIMEOUT

CANCELLED

OPOS_E_NOTCLAIMED

OPOS_E_DISABLED

OPOS_E_OFFLINE

OPOS_E_ILLEGAL

OPOS_E_FAILURE

OPOS_E_BUSY

OPOS_E_NOHARDWARE

If the result is

OPOS_SUCCESS valid weight is returned.

If the result is

OPOS_E_EXTENDED extended status will return either

OPOS_ESCAL_OVERWEIGHT or OPOS_ESCAL_UNDER_ZERO in result code extended.

If the result is

OPOS_E_TIMEOUT there was not valid settled weight on the platter

before the timeout.

Weight and the ExtendedStatus values are invalid.

The Weight Unit entry in the Settings.xml file must match the Scale configuration (Metric or Eng-

lish). See the XML File Description document installed in the Programs list under Datalogic Scanning

for a complete description of the XML file settings.

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Datalogic QuickScan i QD2100 Uživatelská příručka Strana 31