Denso BHT-7000 User Manual

Also see for BHT-7000: User manual

Contents

Denso BHT-7000 User Manual Manual pdf 18 page image

2• If the BHT fails to read due to specular effects or otherfactors, change the scanning angle of the reading win-dow or the distance from codes as shown at right, andtry it again. (Specular effects occur when the reflec-tion of the light from the bar code becomes exces-sively strong. This can easily happen when the re-flecting surface is polished or covered with vinyl.)• The laser light indicates the scanning range as a guide. The indicated scanningrange will deviate a little bit from the actual one. Keep the BHT so that the laserlight comes to almost the center of the bar code height.• The BHT can read bar codes at a maximum distance of 40 cm (15.7")** from thebar-code reading window. (**For details about the scanning conditions, refer tothe Appendix A.)• Before reading bar codes, clean those labels if stained.• Avoid using the BHT in direct sunlight. The BHT might fail to read correctly.• To read bar codes on curved surfaces, apply the BHT to the target bar code so that thecode comes to the center of the scanning range indicated by the laser beam.• When you pull the bar-code reading window away from the bar codes, the actualscanning range will become narrower than the range covered by the laser beam.• The light intensity of the laser light or illumination LED will vary depending uponthe scanning conditions and variation of their elements.1.1 Reading Bar CodesTurn on the BHT power, bring the bar-code reading window to the bar code to bescanned, and press the trigger switch. The BHT emits a laser light to indicate thescanning range and turns on the illumination LED to scan the bar code. Keep the BHTin a position where the bar code lies within the scanning range indicated by the laserlight (marker).When the BHT has read the bar code successfully, the indicator LED will illuminate ingreen.NOTETIPBar code scanningrange indicated bythe laser lightMax. 40 cm(15.7")**Trigger switch (M3 key)*PW keyTrigger switch(M4 key)*Indicator LED(Illuminates in green whenthe BHT has read the barcode successfully.)* The trigger switch function isassigned to both of the M3 andM4 keys by default.)