| Noise Level | % Noise | No. Character in Error | % Error |
| Level-N0 | 0.80% | 0 | 0.00% |
| Level-N1 | 1.20% | 0 | 0.00% |
| Level-N2 | 2.91% | 2 | 7.14% |
| Level-N3 | 3.26% | 8 | 28.57% |
| Level-N4 | 3.63% | 5 | 17.86% |
| Level-N5 | 5.58% | Not Readable | 100% |