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3. Operation
3.1 2D Symbol Reading
THIR-3000DM has 3 kinds of illumination oblique, coaxial and dome types. Select
appropriate illumination model for your direct marking application.
Reading method is shown in the figure below, Push the trigger switch and bring the
reading window close to 2D symbol.
When the trigger switch is activated, the THIR-3000DM, shines red laser pointer to indicate
the proper reading area. Set the 2D symbol center with the red laser dot.
Note: The unit turns off the red dot-shaped laser pointer automatically after 30
seconds if there is no reading operation. Triggering the READ switch, the unit
again indicates the red laser dot.
Upon completion of reading, the LED lights up “GREEN” and the unit beeps once.
Release the trigger switch.
