Filter
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Using the Menus
1760 Series Component Waveform/Vector Monitor User Manual
3-9
Filter Menu
The FILTER menu is available for WAVEFORM mode only.
Note that the instrument must be in
WAVEFORM mode to ac-
cess the R--Y displays. When the
FILTER button is pushed in
WAVEFORM mode, an on-screen menu allows the following
selections. The bezel buttons a re self-cancelling.
H
FLAT — provides flat (normal) response.
H
LUM — provides a low-pass response to di splay the
luminance portion of the composite video signal.
H
CHROM — provides bandpass re sponse cent ered on
the chrominance subcarrier frequency, and displays
frequencies around the subcarrier frequency.
H
DIFF — is a differentiated step filter (linearity steps
are translated into impulses for amplit ude c ompari-
son).
H
R--Y — selects demodulated chrominance-versus-
time display. The chrominance is demodulated on
the
R--Y (V) axis when burst is lined up on the
normal axis. The
VECTOR PHASE control can adjust
the demodulator phase to any axis.
H
SCHR--Y(OptionSCOnly)—demodulates the SCH
sync-locked oscillator. This display is useful for
viewing SCH variations versus time.
H
F+L—displays the video signal both flat and
luminance filtered. The display is in parade or
overlay mode, as selected through the on-screen
menu. When
PARADE is selected, the flat display is
on the left.
H
F+L+C—displays the video signal flat, lumi-
nance filtered, and chrominance filtered. The signal
is displayed in parade or overlay mode, as selected
through the on-screen menu. When
PARADE is
selected, the flat display is on the left, with the
chrominance-filtered display on the right.