Marquette Hellige GmbH MAC 1100/1200 V 1.1 Page 30
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3.3 Display test
After pressing the “1" key the following menu appears:
Display test
(1) Test pattern
(2) Clear display
(3) Restore menu
(4) Inverse
(5) Display illumination
Contrast control
- Shift_Cursor_Down
- Shift_Cursor_Up
Terminate with any key
Pressing any other key than one of those listed in the menu above leads back to the
initial display menu.
(1) Test pattern
Pressing this key generates a chessboard pattern. Each subsequent pressing
generates the inverse display of its predecessor.
(2) Clear display
All display pixels are inactive
(3) Restore menu
The initial display test menu is displayed.
(4) Inverse
The contents of the existing display appear in reverse video.
(5) Display illumination
The illumination is switched on or off by pressing this key.
Contrast control
The contrast setting can always be adjusted as described above (cursor keys).
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