Tektronix WFM6120 Service Manual

Adjustments
7. Connect the “Gr
een” video signal to the oscilloscope input. Use an
oscilloscope with a 75 Ω input, or use a 75 Ω feed through termination.
8. Set the Oscilloscope:
Control Setting
Vert
200 mV/Div
Horiz
20 μs/Div
Trigger Edge
9. Press the Config button.
10. Select Utilities > Calibration, and then press SEL to enter the calibration
menu.
11. Navigate to the Pixmon Composite Gain case, and then press SEL.
12. Adjust the General Purpose knob to set the video portion of the signal to
714 mV (100 IRE).
13. Follow the instructions at the bottom of the screen to Save and Exit
Calibration mode.
Composite Analog Input
DC Offset Restore Off
(Option CPS)
1. Perform the following steps if the Offset is outside the specification:
2. Press the Config button.
3. Select Utilities > Calibration, and then press SEL to enter the calibration
menu.
4. Navigate to Composite DC Offset and press SEL to automatically adjust
the offset.
5. Follow the instructions at the bottom o f the screen to Save and Exit
Calibration mode.
Composite Analog Vertical
Measurement Accuracy
(Option CPS)
1. Perform the following steps if the Amplitude is outside the specification:
2. Connect a 100% color bar signal from the precision generator to the Composite
A input. Terminate the loop through with a precision 75 Ω termination.
3. Press the CONFIG button.
4. Navigate to Utilities > Calibration, and then press SEL.
5. Select Composite Waveform Gain, and then press SEL.
6. Follow the on-screen instructions to adjust the gain.
7. Follow the instructions at the bottom o f the screen to Save and Exit
Calibration mode.
3–4 WFM6120, WFM7020, and WFM7120 Waveform Monitors Service Manual

Tektronix WFM6120 Specifications

General

Brand	Tektronix
Model	WFM6120
Category	Monitor
Language	English