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This page is fairly complete, but there is no substitute for looking at and fiddling with the real thing. That is, in fact, the main reason for doing this lab. You can only learn this by a "hands on" learn-by-doing experience.
The function generator is on top.
This one is set with the "100" button pushed in and the dial set to about the 2.0 multiplier so it produces a frequency of 200 Hz as measured by the frequency counter. (See photo at bottom of page.) A coax cable is used to connect its output (which is at the max amplitude for 20V peak-to-peak) to the oscilloscope.
Knobs 1 and 3 are used to give a bright, sharp trace that
you can read clearly.
(Button 2 is used to shrink the trace if you need help finding
it so you can adjust the position vertically or horizontally.)
We will only use Channel 1 (CH 1) for the vertical trace. These controls are all in the second column. You need to be sure that switch 14 is to the left (AC), that switch 9 is to the left (CH 1), and that switch 10 is to the left (NORM). You use knob 12 to select the voltage per division vertically. You use knob 7 to position the trace vertically on the screen; this is a critical adjustment for reading the zero crossing when determining a frequency.
The photo below shows an additional closeup of the control
panel so you can compare it to the diagram above.
Full Lab Setup
This picture shows the full arrangement, with a coax cable
connecting the 200 Hz signal (here a triangular wave) from
the function generator to the
oscilloscope (below) and frequency counter (above)
while an adapter at the frequency counter
splits off a signal to go to an AC voltmeter (left).
Contact me if you have any questions.