Operating Controls of CRO
The front panel diagram of a general purpose CRO is shown in
the below fig. the panel controls are listed below.
1. Intensity (Brill): It controls the trace luminance.
2. Focus: It controls electron beam focus.
3. Astig: It controls defocussing that occurs
due to astigmatism located on the front panel.
4. Tracerot: Trace rotation about the horizontal
axis is possible by this potentiometer.
Pic 1. Front Panel of CRO
