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Installation and operation, cont’d – Extron Electronics VTG 400D_400 DVI User Guide User Manual

Page 34

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Installation and Operation, cont’d

VTG 400D/400 DVI • Installation and Operation

2-24

Press the Scope Trigger Cursor buttons ( , , , ) to position the oscilloscope’s

cursor on a line (y-axis) of video and on a specific pixel (x-axis) of that line. This

x-y coodinate location is the trigger point. Use the and buttons to position

the cursor along the x-axis, and use the and buttons to position the cursor

along the y-axis.

Positioning the cursor outside of the scan rate limits for the active area
results in an

“N/A” display for the coordinate value and the cursor is no

longer visible in the display, but the scope trigger is still active.

SCOPE — TRIGGER
Position: Active (0004,0004)
Total (0300,0039)
Cursor: Invisible On Screen
Shape = Single Pixel

Press any Scope
Trigger button.

Power

on

RES: VGA 640x480
FRQ: 31.50kHz 60.00Hz
PAT: Fine Crosshatch
SIG: Pink noise FRQ: N/A
LEV: -10 dBu 245mV

VTG 400

VIDEO TEST GENERATOR
60-564-01 Ver. 0.00

3 sec.

SCOPE-TRIGGER

CURSOR

SHAPE

HIDE??

Scope trigger menu

Press the Scope Trigger Shape button to toggle the on-screen cursor between a

crosshair (useful for locating the cursor on the display screen) and single pixel

(useful for locating the cursor on the oscilloscope screen).
Press the Scope Trigger Hide button to turn the cursor on or off.
An example of a crosshair trigger point on a flat field test pattern is shown in the

following figure.

When doing a screen capture, hiding the cursor is recommended. A hidden
cursor can still be used to change the position of the trigger point.