Extron electronics RGB 118, User Manual, Page: 8 / 23

Extron • RGB 118 & RGB 118 PLUS • User’s Manual
Operation
Page 2-1
Operation of RGB 118 and RGB 118 PLUS
Front Panel
The following descriptions are keyed* to the RGB 118 PLUS
drawings below and on the facing page.
A SRI Pushbutton Switch (RGB 118 PLUS ONLY)
Push and hold this button in to enable the RGB 118 PLUS SCAN-
RATE LCD to display the horizontal and/or the vertical scan rate
frequency of a monitor (See Using the SRI on Page 2-5 for details).
B Vertical Center Control (RGB 118 PLUS ONLY)
Turning this RGB 118 PLUS control shifts the displayed image up
or down if the Vertical Center Switch is in the ON position.
C Vertical Center Enable Switch (RGB 118 PLUS ONLY)
Enable/disable the RGB 118 PLUS Vertical Center Control – OFF
position disables and ON position enables.
D MBC Power Connector
Provides 12 VDC for Extron MBC Buffers.
E Universal 9 Pin Input Connector
The RGB 118 and RGB 118 PLUS video input is supplied through
this connector. Acceptable input types are TTL, Analog and ECL.
Connector pin assignments follow:
Pin # ANALOG DIGITAL (TTL or ECL)
1 Ground Ground
2 No Connection Red Prime
3 Red Red
4 Green/Sync on Green Green
5 Blue Blue
6 No Connection Green Prime
7 No Connection Blue Prime
8 Horizontal/Composite Sync Horizontal Sync
9 Vertical Sync Vertical Sync
F Horizontal Center Enable Switch
Enable/disable the Horizontal Center Control – Off position disables
and ON position enables.
G Horizontal Center Control
Turning this control shifts the displayed image to the left or right.
* – Letters next to the descriptions are keyed to the circled letters in the
drawings on this and the next page.