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1A1: Difference between revisions
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with the [[Connectors#BNC|BNC]] jacks, while later units have FETs and lever switches. Type 1A1 uses the "ALT SWEEP SLAVE PULSE" signal | with the [[Connectors#BNC|BNC]] jacks, while later units have FETs and lever switches. Type 1A1 uses the "ALT SWEEP SLAVE PULSE" signal | ||
that is sent by scopes on pin 7 of the plug-in connector. In a Type [[547]] mainframe, this signal allows channel 1 to be | that is sent by scopes on pin 7 of the plug-in connector. In a Type [[547]] mainframe, this signal allows channel 1 to be | ||
displayed using the "A" timebase and channel 2 | displayed using the "A" timebase and channel 2 using the "B" timebase. | ||
This is useful, for example, to view the IF and AF of a radio receiver at the same time. | This is useful, for example, to view the IF and AF of a radio receiver at the same time. | ||