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551: Difference between revisions
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Like the 555, the 551 uses and external power supply unit. | Like the 555, the 551 uses and external power supply unit. | ||
The external power supplies of the 555 and 551 are not interchangeable. | The external power supplies of the 555 and 551 are not interchangeable. | ||
The manual is on BAMA. | The manual is on [[http://bama.edebris.com/manuals/tek/551 BAMA]]. | ||
A factory modification, MOD 108A, was available for increasing the CRT acceleration voltage. This improved trace visibility at high sweep rates. | A factory modification, MOD 108A, was available for increasing the CRT acceleration voltage. This improved trace visibility at high sweep rates. | ||