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Chapter 2 Connection and Installation Mounting angle and mounting distance Reading distance Panel surface 10° * Reading distance = 230 mm (BL-700/701) 380 mm (BL-740/741) 500 mm (BL-780/781) 2 Set the angle and reading distance by referring to the read range characteristics and angle characteristics described on P.122 to P.124. The allowable reading distance and angle may vary depending on the narrow bar width of the bar code, the bar code size, and the readability of the bar code. Set these parameters after performing a test read of the required bar code using the unit. Note: Do not set the unit at an angle at which the laser beam is perpendicular to the surface of the bar code. The beam will be fully reflected into the reader, making correct reading impossible (➮ See P.124). Incorrect 10° Tips The reading check test mode allows you to set the optimal reading position. ➮ To use the test mode, see P. 38. 26