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3T77: Difference between revisions
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Manual mode is the same as external sweep mode, but the control voltage is generated internally based on the position of a potentiometer on the front panel of the 3T77. | Manual mode is the same as external sweep mode, but the control voltage is generated internally based on the position of a potentiometer on the front panel of the 3T77. | ||
In normal mode, an internal ramp generator produces the control voltage, repeatedly redrawing the trace on the CRT. | In normal mode, an internal ramp generator produces the control voltage, repeatedly redrawing the trace on the CRT. | ||
In single sweep mode, the internal ramp generator is started by a button on the front panel, makes | In single sweep mode, the internal ramp generator is started by a button on the front panel, makes one horizontal trace, and then waits for the button to be pressed again. | ||
==Internals== | ==Internals== | ||