88 Control Panel Options
MX3-RFID Reference Guide E-EQ-MX3RFIDRG-A
How to Set a Filter
Occasionally, it is desirable to see only a subset of tags; for example, when inventorying items
from a specific company. In cases like this, filtering can be used to select only the desired tags.
1. To set up a filter, first enter a Field Name for the filter. The Field Name is simply a
descriptive name that is used to distinguish the filter from other filters. In the example
described previously, the Field Name could be the company name of the tags to be identified.
2. Next, enter the offset that the mask will be applied to in the Offset field. A mask value may be
blank. When a blank mask value is selected as a filter it will return all tags read.
3. Then, enter the hexadecimal characters to search for in the Mask Value field.
4. Enable the filter by checking the Select field.
When the format of the tag data sent to the application is set to EPC, the filter is applied to the tag
data before the conversion from hexadecimal notation to EPC format.
For example, suppose the following three tags exist:
Tag 1 c80507a000819530
Tag 2 c80507a00081a1df
Tag 3 c80507a00081a985
Only tags 2 and 3 are wanted from the list above.
Two filter examples to identify the “81a” tags might be:
Field Name Offset Mask Value
Filter 1 0 c80507a00081a
Filter 2 10 81a
