Tektronix 4000 Series, Service Manual

Page: 34 / 78

Adjustment Procedures
3- 10
Tektronix 4000 Series Digital Phosphor Oscilloscopes Service Manual
3. Select the Amplitude field using the front panel scroll buttons, and then
change the voltage by using the large front panel knob on the calibrator.
4.
Ensure that the red light is illuminated to indicate that the output is on. If
not, push the
ON button.
5. On the oscilloscope, push the OK Do Next Step right--bezel button.
If you are using the MSO4000 Series oscilloscope, and you recieve a prompt for
a deskew test, complete the following steps:
1. Plug the probe, notch down, into the digital channel input, as shown in
Figure 3--5. Ensure that is snaps into place. Keep the probe plugged in for
the remainder of the calibration procedure.
M
1 2 3 4
Menu
Autoset
Single
Run / Stop Acquire
Set / Clear
Test Search Measure
Fine Select
Set to 50%
ForceTrig
R
B1
B2
Menu
Off
Utility
Default
Setup Menu Save
CompactFlash ٛ
Intensity
Cursors
B3
B4
D15 --D0
Figure 3- 5: Digital channel input
2. Push the Aux front--panel button, and then push the Zero skew
side--bezel button.
3. Set the specified voltage, frequency, and termination.
4. Push the CHANNEL SELECT button and ensure that all channels are
selected, including Channel 5.
5. Ensure that the red light is illuminated to indicate that the output is on. If
not, push the
ON button.
6. On the oscilloscope, push the OK Do Next Step right--bezel button. In some
cases, this can take several minutes.
Deskew (MSO Only)