| Initial settings | After tuning | |||||
| VDM | Peak |  |
FWHM | Peak | |
FWHM |
| (chan) | (chan) | (%) | (chan) | (chan) | (%) | |
| 1 | 50.7 | 4.66 | 21.7 | 25.8 | 2.9 | 26.6 |
| 2 | 50.3 | 6.7 | 31.3 | 26.6 | 3.3 | 29.4 |
| 3 | 53.5 | 5.3 | 23.4 | 27.7 | 4.0 | 34.4 |
| 4 | 50.8 | 5.2 | 24.2 | 26.7 | 3.2 | 28.5 |
| 5 | 50.7 | 6.3 | 29.2 | 25.6 | 3.2 | 30.2 |
| 6 | 46.3 | 6.1 | 31.3 | 25.2 | 3.5 | 32.9 |
| 7 | 47.5 | 7.1 | 35.0 | 26.4 | 4.9 | 43.4 |
| 8 | 51.7 | 6.5 | 29.8 | 26.7 | 3.3 | 28.6 |
| 9 | 51.7 | 4.4 | 20.1 | 26.5 | 2.7 | 24.8 |
| 10 | 49.0 | 4.7 | 22.6 | 26.0 | 2.9 | 26.6 |
| 11 | - | - | - | 27.4 | 4.0 | 35.0 |
| 12 | 55.9 | 5.5 | 23.2 | 25.8 | 3.4 | 31.0 |
| 13 | 49.9 | 4.5 | 21.1 | 26.4 | 2.8 | 25.2 |
| 14 | 53.6 | 5.9 | 25.9 | 24.4 | 2.7 | 22.8 |
| 15 | 50.6 | 5.5 | 25.4 | 25.0 | 3.4 | 31.7 |
| 16 | 50.5 | 4.9 | 23.1 | 26.6 | 2.9 | 25.4 |
| Total | 50.9 | 5.8 | 26.5 | 26.3 | 2.9 | 25.9 |
line fit parameters for VDMs before and
after final setting.