VP400 Series Video Pro Form7343A Operation Manual
32
Testing Display Inputs with the VideoPro
A multi-media generator, such as the Sencore VideoPro can be used to apply a test signal to the
inputs of a video display, video signal processor, modulator and other standard video equipment.
This section describes the connections and setup when using the Sencore VideoPro for testing
various display inputs.
NTSC RF to Antenna Input
Standard NTSC video signals are carried on
RF carriers that are transmitted by
broadcasters or carried on cable television
systems. TV receivers accept these RF-video
signals, tune to the user selected channel and
process them for display. An NTSC RF
generator produces one or more TV-RF
carriers for testing a display’s antenna input
and associated receive circuitry.
To test the antenna input on a display, connect
the RF test cable (39G189) from the RF
output jack of the generator to the antenna
input on the display. Select the NTSC/PAL
selection in the Signal Type menu. Select one
of the NTSC – RF – CH selections in the
Format menu for the desired RF channel. You
may choose RF channel, 2, 3, 4, or 6. Select
the Antenna Input from the receiver/monitors
input menu. Select the receivers channel
number to agree with the RF channel selected
on the generator. The receiver/ monitor
should decode the TV-RF NTSC signal and
display the video test pattern.
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