Motorola MS4407 用户手册
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Symbol MS4404/MS4407 Integration Guide
Illumination System
An illumination subsystem, consisting of four red 635 nm LEDs, is provided to meet the image capture and
decoding requirements throughout the full range of ambient lighting (total darkness to full sunlight).
decoding requirements throughout the full range of ambient lighting (total darkness to full sunlight).
Illumination Control
The Symbol MS440X can capture images with the illumination subsystem turned on or off, accommodating images
that are close to the wavelength of the illumination. For example, since red LED illumination is used, it may be
desirable to shut off the illumination when capturing a printed image in red ink.
that are close to the wavelength of the illumination. For example, since red LED illumination is used, it may be
desirable to shut off the illumination when capturing a printed image in red ink.
Focus Control
The Symbol MS440X has two focus positions controlled by an electromagnetic motor, which is under dynamic
software control and is independent of the illumination and aiming systems. The operating modes of the motor are:
software control and is independent of the illumination and aiming systems. The operating modes of the motor are:
•
Near Focus
•
Far Focus (default).
Imaging Tips
When imaging, ensure the symbol to be captured is within the decode range. See
. Ensure the bar code is within the aiming pattern. The green decode LED lights and the imager beeps to
indicate a successful decode.
Capturing Data
Place the symbol in any orientation within the aiming pattern. Ensure the entire symbol is within the rectangular
area formed by the brackets in the aiming pattern. The red laser aiming pattern turns on to assist in aiming.
area formed by the brackets in the aiming pattern. The red laser aiming pattern turns on to assist in aiming.
Figure 3-2
Imager Aiming Pattern: Bar Code Centered
1D bar code symbol
2D bar code symbol
2D dot peen DPM symbol
Aiming Pattern