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Adjustment Procedures
6–8
VITS100 NTSC VITS Inserter Instruction Manual
Television Test Signal Generator
Waveform/Vector Monitor
Test Signal
CH A input
75 W
Terminator
BNC
Adaptor
Figure 6–4: Equipment connections for gain adjustments
2. Select the NTC7 Composite signal from the generator.
3. Set the waveform/vector monitor waveform gain to X5.
4. Use WFM + CAL on the waveform/vector monitor to check the amplitude of
the bar portion of the signal. Note the amplitude.
5. Remove the female-to-female BNC adapter and connect the VITS inserter to
the generator and monitor as shown in Figure 6–5.
6. Adjust Program Gain, R33, to match the amplitude noted in step 4.
Television Test Signal Generator
VITS Inserter
Waveform/Vector Monitor
Test Signal
Program In Program Out
CH A input
75 W
Terminator
Figure 6–5: Equipment for setting gain adjustments