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cps (characters per second) is the number of characters/symbols that can be marked in one second.
Marking characters and symbols is a standard application for laser scanners. Because the number of marked characters depends on numerous scanner parameters, a benchmark has emerged for directly comparing marking times. Here, a 1-mm tall single-line typeface is used to mark all 26 Latin letters in both upper and lowercase, as well as the 10 Arabic numerals. The elapsed time is then converted to characters per second – cps.
For setting the scanner's parameters, a tradeoff between writing quality and marking speed is necessary. SCANLAB specifies two possible variants, good quality (faster) and high quality (more precise). The two images below illustrate the differences:
At high quality, no obvious discrepancies should appear, whereas good quality allows minor anomalies such as oscillation and corner-rounding.
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