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555: Difference between revisions
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Delayed Trigger/H Plug-in Details
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The 555 uses special horizontal plug-ins that contain the trigger and sweep. | The 555 uses special horizontal plug-ins that contain the trigger and sweep. | ||
Early instances of the 555 came with the 21 and 22 horizontal plug-ins. | Early instances of the 555 came with the 21 and 22 horizontal plug-ins. | ||
Type 21 is suggested for the upper beam and type 22 is suggested as the lower beam time base, as type 22 contains delayed trigger, and only the lower beam horizontal section is provided with delayed trigger pickup circuitry. The Delay multiplier control pot is also provided on the lower beam section. | |||
A rigid plug-in extension for the timebases (part number [[013-013]]) was included with every 555. | A rigid plug-in extension for the timebases (part number [[013-013]]) was included with every 555. | ||