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Manual Backdating
This section describes changes that must be made to the manual so that it applies to instruments with serial numbers lower
than those listed on the title page. Look in the following table for the serial number of your instrument, and make only those
changes listed for your instrument. Note that for some changes you may be instructed to update the instrument if certain
components are being replaced during repair.
__________________________________________
| Prefix | Serial Number | Make Changes |
| 6030A |
| 2934A | 01825-01829 | 1-7, 9, 10, 12, 14-18 |
| 3023A | 01925-02408 | 1-7, 9, 10, 12, 14-18 |
| 3123A | 02409-02538 | 1-7, 9, 10, 12, 14-18 |
| 3137A | 02539-02568 | 1-7, 9, 10, 12, 14-17 |
| 3141A | 02569-02748 | 1-7, 9, 10, 12, 14-16 |
| 3211A | 02749-02778 | 1-7, 9, 10, 12, 14-16 |
| 3215A | 02779-02808 | 1-7, 9, 10, 12, 14, 15 |
| 3220A | 02809-03068 | 1-7, 9, 10, 12, 14 |
| 3251A | 03069-03108 | 1-7, 9, 10, 12 |
| 3305A | 03109-03308 | 1-7, 9, 10 |
| 3332A | 03309-03568 | 1-7, 9 |
| 3415A | 03569-03648 | 1-7 |
| 3430A | 03649-03708 | 1-6 |
| 3441A | 03709-03818 | 1-5 |
| 3506A | 03819-04088 | 1-4 |
| 3544A | 04089-04478 | 1-3 |
| 3702A | 04479-04848 | 1, 2 |
| US3702 | 0101-0260 | 1, 2 |
| US3832 | 0261-0300 | 1 |
| | | |
| | | |
| 6031A |
| 2934A | 01821-01825 | 1, 3-7, 9-12, 14, 16,17,18|
| 3026A | 01921-02280 | 1, 3-7, 9-12, 14, 16,17,18|
| 3121A | 02281-02410 | 1, 3-7, 9-12, 14, 16,17,18|
| 3137A | 02411-02430 | 1, 3-7, 9-12, 14, 16, 17 |
| 3140A | 02431-02520 | 1, 3-7, 9-12, 14, 16 |
| 3213A | 02521-02560 | 1, 3-7, 9-12, 14, 16 |
| 3221A | 02561-02650 | 1, 3-7, 9-12, 14 |
| 3302A | 02651-02690 | 1, 3-7, 9-12 |
| 3304A | 02691-02700 | 1, 3-7, 9-11 |
| 3313A | 02701-02760 | 1, 3-7, 9-10 |
| 3325A | 02761-02920 | 1, 3-7, 9 |
| 3416A | 02921-02990 | 1, 3-7 |
| 3429A | 02991-03020 | 1, 3-6 |
| 3440A | 03021-03110 | 1, 3-5 |
| 3506A | 03111-03280 | 1, 3, 4 |
| 3543A | 03281-03890 | 1, 3 |
| US3543 | 0101-0340 | 1, 3 |
| US3831 | 0341-0375 | 1 |
__________________________________________
| Prefix | Serial Number | Make Changes |
| 6032A |
| 3004A | 05881-05885 | 1, 3-7, 9-12, 14, 17, 18 |
| 3023A | 06181-07180 | 1, 3-7, 9-12, 14, 17, 18 |
| 3123A | 07181-07480 | 1, 3-7, 9-12, 14, 17, 18 |
| 3138A | 07481-07880 | 1, 3-7, 9-12, 14, 17 |
| 3211A | 07881-08020 | 1, 3-7, 9-12, 14, 17 |
| 3221A | 08021-08200 | 1, 3-7, 9-12, 14 |
| 3232A | 08201-08480 | 1, 3-7, 9-12, 14 |
| 3250A | 08481-08560 | 1, 3-7, 9-12 |
| 3304A | 08561-08780 | 1, 3-7, 9-11 |
| 3319A | 08781-08820 | 1, 3-7, 9, 10 |
| 3304A | 08821-08860 | 1, 3-7, 9, 10 |
| 3319A | 08861-08980 | 1, 3-7, 9, 10 |
| 3323A | 08981-09580 | 1, 3-7, 9 |
| 3415A | 09581-09900 | 1, 3-7 |
| 3431A | 09901-10140 | 1, 3-6 |
| 3440A | 10141-10580 | 1, 3-5 |
| 3510A | 10581-11160 | 1, 3-4 |
| 3542A | 11161-13020 | 1, 3 |
| US3542 | 0101-0880 | 1, 3 |
| US3832 | 0881-1025 | 1 |
| | | |
| 6035A |
| 3038A | 00101-00177 | 1-10, 12-18 |
| 3124A | 00178-00217 | 1-10, 12-18 |
| 3140A | 00218-00297 | 1-10, 12-16 |
| 3211A | 00298-00317 | 1-10, 12-15 |
| 3224A | 00318-00347 | 1-10, 12-14 |
| 3239A | 00348-00387 | 1-10, 12, 13 |
| 3251A | 00388-00417 | 1-10, 12 |
| 3308A | 00418-00477 | 1-10 |
| 3330A | 00478-00517 | 1-9 |
| 3330A | 00518-00537 | 1-9 |
| 3351A | 00538-00597 | 1-8 |
| 3418A | 00598-00637 | 1-7 |
| 3432A | 00638-00682 | 1-5 |
| 3512A | 00683-00862 | 1-4 |
| 3542A | 00863-01112 | 1-3 |
| 3702A | 01113-01342 | 1,2 |
| US3702 | 0101-0250 | 1,2 |
| US3832 | 0251-0280 | 1 |