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Notice that the D0 line, at the bottom, is a squarewave, going between logic level 0 and 1,and
D1 - D7 are straight lines (logic level 0).
7) Let's turn off the unneeded digital channels: turn the Entry Knob until the arrow is next to
D1, and press the left-most softkey. This will toggle D1 on and off. Leave it off. Now,
repeat this process, turning OFF D2 - D7. The display below shows D0 and D7 ON, and D7
is about to be turned OFF.
8) The last control we may want to change is the size of the digital channel(s), which is the
middle softkey in the Digital Channel D7 - D0 Menu. Press it once, and digital channel 1
(D1) now is about one division peak-to-peak, as shown below.
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