Calibration Overview - Microscan MS-860 User Manual

Calibration Overview

When a Calibrate command is sent, all symbologies are enabled except PDF417
2
Pharmacode. The reader looks for readable bar code symbols, and records the highest
read rates it encounters while stepping through various settings. Any new symbologies
decoded during calibration are enabled at the end of calibration. However, no previously
enabled symbologies are disabled.
The settings that the calibration routine uses can be pre-set by the user and include the
following:
Calibrates for:
Symbol position in the raster pattern
Video (gain and tracking)
Scan speed (scans per second)
Laser power (attempt minimum power)
Laser framing (shortens scan line to fit symbol)
The calibration settings can be changed by application requirements. See
Options" on page 4-6 for details.
Calibration Methods
There are four ways to start calibration:
• The EZ Button.
• ESP Calibration menu.
• Serial command <@CAL>.
• From embedded calibration menu
Configuration Database
When a symbol is calibrated, the resulting settings are automatically loaded into the
Current index of the configuration database. From here it can be copied into any of the
active database indexes and the indexes are compiled in the configuration database are
applied in real time operations. See Chapter 5,
1. Calibration does not function with PDF417 symbols. However, you can substitute a Code 128
symbol with the same mil size as your PDF417. When you do this, enable Code 128 and after
calibration, switch back to PDF417.
2. Note: If using an I 2 of 5 symbol, verify that the number of characters in the symbol being
scanned matches the code length enabled for the I 2 of 5 code type (default is 10 and 6). See
"Interleaved 2 of 5"
MS-860 Industrial Raster Reader User's Manual
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<@> (see "Embedded Menus"
"Configuration
on page 9-11.
Calibration
Default Status
Searches for symbol but
does NOT save to NOVRAM
Enabled
Enabled
Enabled
Disabled
"Calibration
on page A-24).
Database".
1
and
4-3