| 摘要 |
<p>PURPOSE:To provide an information reader and an adjusting mark sheet capable of easily and quickly executing the maintenance adjustment of a reading part without requiring an expert maintenance man. CONSTITUTION:An adjusting mark sheet MS on which adjusting information to be used for adjusting the information reading sensitivity of a reading part 12 is recorded is inserted into the reading part 12, the reading accuracy of the reading part 12 is judged by a reading accuracy judging part 13a based upon the read output of the adjusting information read out by the mark sheet MS and an amplifier 12b in the reading part 12 is automatically adjusted based upon the judged result or the judged result is displayed on a display part. A mark sheet forming at least an area for recording prescribed input information and an area for recording user's identification(ID) information in addition to an area for recording the adjusting information to be used for adjusting the reading sensitivity is used as the adjusting mark sheet MS.</p> |
