Microscan MS-710, User Manual

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Chapter 4 Read Cycle
MS-710 Scanner User’s Manual
4-15
4–Read C
y
cle
Scanner Setup
The settings in this section are typically adjusted by qualified technicians. They time are
included here for special applications. Before making changes to individual commands
in this section, it would be advisable to make a written record of current settings.
Gain Level
(Factory Setting)
Scan Speed
Usage: Can be useful for fine-tuning gain or when portions of analog signals
spike as in the case of specular reflection or extraneous noise.
Caution: Changes to Gain are typically done by qualified technicians i.
Definition: Sets a voltage amplitude value for the analog circuitry.
Serial Cmd: < KDgain ,AGC sampling>
Default: 45 (nominal). Gain is optimized at the factory before shipment; the
default value may not be 45.
Options: 10 to 255
Usage: To ensure a minimum number of scans, faster scan speeds are typically
used for fast moving symbols and/or longer symbols with larger bar
widths.
Note: Scan beams move faster across symbols further out in the scan
range since the moving beam is being projected from a spinning mirror.
Definition: Allows the user to set the number of scans per second by controlling the
spinning mirror motor speed.
Serial Cmd: < KEscan speed >
Default: 40 (x 10 = 400 scans per second)
Options: 30 to 55 (x 10 scans per second)