551: Difference between revisions

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A factory modification, MOD 108A, was available for increasing the CRT acceleration voltage from 10 kV to 12 kV.  This improved trace visibility at high sweep rates.
A factory modification, MOD 108A, was available for increasing the CRT acceleration voltage from 10 kV to 12 kV.  This improved trace visibility at high sweep rates.


Early 551 units used [[Connectors#UHF|UHF connectors]].  Many were converted in the field to use [[Connectors#BNC|BNC connectors]].
Early 551 units used [[UHF connector]]s.  Many were converted in the field to use [[BNC connector]]s.


==Specifications==
==Specifications==

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