Datalogic QuickScan L QD2300 User Manual download pdf (Page 46)

Developers Guide

Datalogic™ OPOS Service Objects

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.

ZeroScale:

Returns

OPOS_SUCCESS

OPOS_E_NOHARDWARE

OPOS_E_OFFLINE

OPOS_E_DISABLED

OPOS_E_NOTCLAIMED

The Weight Unit entry in the Registry must match the Scale configuration

(Metric or English). See the Registry Description section starting on

page 21

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Datalogic QuickScan L QD2300 User Manual Page 46

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