Performance Tests
TDS7104 & TDS7054 Service Manual
4-45
2. Confirm the input channels are within limits for analog bandwidth: Do the
following substeps — test CH 1 first, skipping substeps a and b since CH 1
is already set up for testing from step 1.
a. Select an unchecked channel:
H From the tool bar, touch MEAS and then Clear to remove the
previous measurement.
H Press the Vertical button of the channel just confirmed to remove the
channel from the display.
H Press the front-panel Vertical button that corresponds to the channel
you are to confirm.
H Move the leveling output of the sine wave generator to the channel
you selected.
b. Match the trigger source to the channel selected: Press the Trigger
SOURCE button until the source that corresponds to the channel you are
to confirm is on.
c. Set its input impedance: From the button bar, touch the VERT button
and select the tab for the channel you are to confirm. Touch the
Termination 50 Ω button.
d. Set the vertical scale: Set the vertical SCALE that corresponds to the
channel you are to confirm to one of the settings listed in Table 4--7 not
yet checked. (Start with the 100 mV setting).
e. Set the triggering coupling: Touch the Coupling DC button.
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