Motorola DSR-4530, Руководство оператора, Страница: 62 / 92

3
56
Video Test Signal Menu
A full-field video test signal is available that allows the user to display different test
patterns by selecting the Pattern field. Press the
56
buttons until the Video Test
Signal menu appears (shown below).
Pattern Field Default: Off
Press the
4
button until the cursor is at the Pattern label, and press the ENTER
button to move into the field. Press the
56
buttons to display the video test
patterns. Choose from the options listed in Table 3-1.
Table 3-1: NTSC/PAL-M Video Test Options
Press the ENTER button and a warning message appears saying that the current
video display will be interrupted if the action proceeds.
Press any arrow button (
3456
) to back out of the field and leave it unchanged.
Otherwise, press the ENTER button to proceed.
Note: Test signals override any active service component, and the DSR-4530
displays diagnostics over the video test patterns if diagnostics are enabled.
To disable the selected signals, use the
56
buttons to select Off and press the
ENTER button, or exit the field.
PATTERNS
Off (Default)
Color Bar
100 IRE Ramp
NTSC 7 Composite
Red Field
5 Step Stair
Unmod Y Ramp
525 Composite/625 CCIR 17
525 Combination/625 CCIR 18
525 Color Bar/625 CCIR 330
525 Y Ramp/625 CCIR 331
Program (Off)
E Off
VIDEO TEST SIGNAL Pattern
Press E to continue or to stop
CAUTION: This selection replaces video