Dpm Scanning - Motorola Symbol MS4404 Integration Manual

7 - 8 Symbol MS4404/MS4407 Integration Guide

DPM Scanning

Parameter # F1h, 09h
Unlike bar codes that are typically printed on labels, a direct part mark (DPM) is a symbol that is marked directly on
an item's surface for permanent identification. These symbols are marked using methods such as laser etching
and dot peening (see
scans these types of symbols.
NOTE If you enable DPM Scanning, the imager reads all symbols including DPM, 1D, PDF417, etc. If you don't
need to read DPM, scan Disable DPM Scanning to ensure optimum imager performance.
If you enable DPM Scanning, disable
Picklist performance is not guaranteed for DPM bar codes.
Also, if you enable DPM Scanning, the imager behaves as if the Data Matrix Inverse Autodetect setting
is selected. When you disable DPM Scanning, the previous (user-selected) Data Matrix Inverse setting
applies. See
To program the MS440X imager for DPM reading:
The MS440X imager can not read certain bar codes in near field. To ensure the imager can read all bar codes,
1.
scan Far Focus on
If you disabled DPM scanning, scan Enable DPM Scanning (below).
2.
Before scanning a DPM bar code, ensure that
3.
*Enable DPM Scanning
Figure 3-2 on page 3-2
Data Matrix Inverse on page
page 7-5.
(01h)
for an example of a dot peen symbol). The MS440X DPM version
Picklist Mode on page 6-8
11-72.
Data Matrix on page 11-72
Disable DPM Scanning
when scanning a DPM bar code.
is enabled.
(00h)