Brief Procedures
4–10
TDS 500B, 600B and TDS 700A Service Manual
H Sample mode displays an actively acquiring waveform on-screen.
(Note that there is noise present on the peaks of the square wave.)
H Peak Detect mode displays an actively acquiring waveform
on-screen with the noise present in Sample mode “peak detected.”
H Hi Res mode (TDS 500B and 700A only) displays an actively
acquiring waveform on-screen with the noise that was present in
Sample mode reduced.
H Envelope mode displays an actively acquiring waveform on-screen
with the noise displayed.
H Average mode displays an actively acquiring waveform on-screen
with the noise reduced.
f. Test all channels: Repeat substeps a through e until all four input
channels are verified.
3. Remove the test hookup: Disconnect the probe from the channel input and
the probe-compensation terminals.
Equipment
Required
One probe such as the P6243, P6245 or P6139A
Prerequisites None
1. Install the test hookup and preset the oscilloscope controls:
a. Hook up the signal source: Install the probe on CH 1. Connect the probe
tip to PROBE COMPENSATION SIGNAL on the front panel;
connect the probe ground to PROBE COMPENSATION GND. See
Figure 4–3 on page 4–8.
b. Initialize the oscilloscope:
H Press save/recall SETUP.
H Press the main-menu button Recall Factory Setup; then press the
side-menu button OK Confirm Factory Init.
c. Modify default settings:
H Set the vertical SCALE to 200 mV.
H Set the horizontal SCALE to 200 ms.
H Press CLEAR MENU to remove the menus from the screen.
2. Verify that the time base operates: Confirm the following statements.
Verify the Time Base
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