User manual

Operation Basics: Tutorial
2–12
WFM 90 & WFM 91 User Manual
Initial Equipment Connections
H Connect power to the WFM 90 or WFM 91 by plugging in the
AC power adapter or by installing batteries.
H Connect a 75% color bar signal (with setup for NTSC) of the
correct standard for your instrument from the television signal
generator to the
VIDEO IN connector. Verify that the VIDEO IN
input switch is set to the 75 W position.
H Connect a black burst or other signal with burst and sync from
the television signal generator to the
EXT REF connector on the
WFM 90 or WFM 91. Verify that the
EXT REF input switch is set
to the 75 W position.
Procedure
1. Initialize the front-panel controls and menu selections
Press the
CONFIG button to enter the Configuration menu. Press the
Bezel Button below the Configuration menu categories a few times.
Notice that the highlight bar toggles down through the menu
categories. Press the
Y and B buttons and notice that they move the
highlight bar up and down through the menu categories.
Select the
PRESETS category, then select DEFAULT. The front-panel
controls and menu selections are now set to the factory-set defaults.
The display should be a two-line waveform monitor display centered
on the graticule baseline.
2. Adjust the display
Enter the Configuration menu. Notice that the menu opened with the
INTENS category selected and that the right two Bezel Buttons are
ready to adjust the trace intensity. Adjust the display to the desired
intensity, then select
GRAT and adjust the graticule intensity to the
desired level.
Select the
DISPLAY menu category. Press the right two Bezel Buttons
to adjust the viewing angle of the LCD display to the desired angle.
Select
BRIGHT and adjust the display brightness to the desired level.
Press the
CONFIG button to remove the menu display.