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ten times the sensitivity at a higher price and is able to lock channel 1 to Type [[547]]'s timebase A | ten times the sensitivity at a higher price and is able to lock channel 1 to Type [[547]]'s timebase A | ||
and channel 2 to timebase B. On the other hand, Type 1A2 can select which channel provides triggering | and channel 2 to timebase B. On the other hand, Type 1A2 can select which channel provides triggering | ||
when the mainframe is set to Plug-In mode. | when the mainframe is set to Plug-In mode, for scopes having this feature ([[544]], [[546]], [[547]], [[549]], [[556]], late [[555]]). 1A1 and 1A2 share some mechanical design, but the circuits have few details in common. | ||
circuits have few details in common. | |||
The 1A2 remained available until the [[500-series scopes|500-series scope line]] was discontinued. | The 1A2 remained available until the [[500-series scopes|500-series scope line]] was discontinued. |