JRC JMA-3300 Series Instruction Manual page 222

Marine radar equipment
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Chapter 4 MAINTENANCE
4.3 PERFORMANCE CHECK
Monitor Display Test
1 Open Self Test - Monitor Display Test .
Pattern1 : All colors are filled with white.
Pattern2 : A white box is displayed on the black background of 1024 × 768 dots.
Pattern3 : Displays rectangle × 2, circle × 2, and cross-shape× 9 (white lines on the
Pattern4 : Displays "H" of 9 dots × 9 dots on the entire screen (white character
Pattern5 : Gray scale display (16 levels)
Pattern6 : Displays a color bar.
Pattern7 : The square figure of a specified RGB value is shown at the center of
Input the value.
Turn the [MULTI] control to set the value.
The value can be set between 0 and 31.
Operate the same way for the other settings.
4-14
black background).
on the black background).
the display.

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