Commodore 128D - Page 367

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9. Channel Selector—Use this switch to select which TV channel
(L = channel 3, H = channel 4) the computer's picture will be
displayed on when using a television instead of a monitor.
10. RF Connector—This connector supplies both picture and sound
to your television set. (A television can display only a 40 column
picture.)
11. RGBI Connector—This 9-pin connector supplies direct audio and
an RGBI (Red/Green/Blue/lntensity) signal. This is the 80-column
output.
(rear view of port)
Pin
1
2
3
4
5
6
7
8
9
Signal
Ground
Ground
Red
Green
Blue
Intensity
Monochrome
Horizontal Sync
Vertical Sync
361 * APPENDIX C—Connectors/Ports for Peripheral Equipment