THOMSON DD10, Руководство по установке

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5. Connection and Startup Diamond digital
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5.7 CONNECTING AN MENU MONITOR
5.7.1 EGA MONITOR WITH PANEL CONTROLLER RY1821
For supporting the operational and servicing possibilities, an EGA monitor can be
connected to the control panel of the switcher types DD5 and DD10. The switcher
types DD20 and DD30 are not provided with this connection facility.
BTS recommends to connect an EGA monitor available at the market for personal
computer with TTL input.
The following type have been tested:
•
EIZO Flexscan 9060s
Monitor type
The interface at the control panel emulates the PC EGA standard. The following
data have to be concidered:
Resolution: 640 x 350
Picture frequency: 60 Hz
Line frequency: 21.80 kHz
Pixel clock:
16.00 MHz (PC: 16.26 MHz)
Colors: 64
Input: TTL
Of the 350 possible lines, only 200 are utilized on the monitor. This corresponds
to the display aspect ratio of the switcher types DD20 and DD30. The remainder
of the picture becomes black.
Connection
The monitor has to be connected to the Monitor socket J4 on the connector panel
of the control desk.
Color adjustment
Color display on the monitor can be varied and consequently matched to the visual
impression of the operator. Color adjustment can be made with the 8-step DIP
switch T4 on the control panel controller RY 1821.
1 8
1
0
16 foreground 16 background
colors
colors
The switches 1...4 select one of 16 possible foreground colors, the switches 5...8
one of 16 possible background colors. The colors have been selected in such a way
that adjustment with identical foreground and background colors is not possible.
The cursor is always displayed in white.