Tektronix WFM 601i, User Manual

Page: 71 / 135

Functional Overview
Rev May 1994
WFM 601i Serial Component Monitor
2–19
WFM/VEC Selection choices for the Waveform, Parade, Vector, and Lightning
video displays.
DISPLAY – Selects whether Lightning or Diamond is displayed when the
front-panel LIGHTNING button is pressed.
COLOR BARS – Selects either 75% or 100% graticules for the Lightning
and Vector modes.
WFM AS – In Waveform or Parade modes, determines if channels 1, 2, and
3 are displayed in their native Y, P
B
, P
R
format (YP
B
P
R
) or transcoded to R,
G, B (RGB). Does not affect the picture monitor out signal.
PBPR OFFSET – Allows adding a 350 mV positive offset to the P
B
and P
R
channels to facilitate comparison with the Y channel (350 mV selected).
Does not affect the transcoded RGB display or the picture monitor out
signal.
EAV-SAV – In Strip mode, only digital signals between the SAV and EAV
sync words are passed to the D/A converters and subsequently to the display
and the picture monitor output. In Pass mode all digital data is sent to the
converters.
EYE PATTERN Selection choices for the EYE and EQ EYE display modes.
DISPLAY – Selects between OVERLAY and 10-EYE displays when in Eye
or EQ EYE modes.
JITTER HPF – Selects between 10 Hz, 100 Hz, and 1 kHz jitter high pass
filters.
See the Eye Pattern Display description for more information; starts on
page 2–9.
SER ALARM
A front–panel Alarm light can be activated by up to four different
serial video event conditions. This submenu allows selecting which events, when
true, cause the indicator to light. Alarms are turned on or off by the push of the
adjacent bezel push button.
Once activated, the Alarm light will stay on for a minimum of one second. If
selected alarm conditions occur at a frequency greater than once per second, the
Alarm light will stay continuously lit. One second after the last selected alarm
condition clears, the light will go out.
When the alarms are enabled the following conditions will turn on the alarm
indicator: