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____ Memory Cycling can be On or Off. Sync Output can be
Rear Panel DIP Switch Settings
On
Off
1 2 3
Audio Connections
RGB 302
AUDIO
L
R
OUT
IN
Page 2-3
Green, Comp (Composite), H&V (Separate Horizontal
& Vertical), or Auto (Automatic). Automatic Sync
means the RGB 302/304 detects which output
connectors are currently active and will set and display
the output sync as either Green, RGBS or RGBHV,
depending on the connections.
The RGB 302/304 has three DIP switch settings:
Switch 1: On = Digital Display Sync Processing
Off = Processed sync (normal)
Switch 2: On = Remove serration pulses
Off = Pass serration pulses (normal)
Switch 3: On = 75-Ohm input termination
Off = High impedance input termination
The RGB 302/304 provides audio interfacing to the
audio output which is connected to the user's audio
equipment. The user supplies the audio cables.
On the RGB 302, the audio input and output are both
located on the rear panel, as shown in the diagram to
the left.
The RGB 304 has the audio output
located on the rear panel, but the
audio input is situated on the front
panel, as shown to the right.
The audio interface is a PC/computer audio (600 ) to
line-level audio (balanced) converter. If the computer
has a sound card, the RGB 302/304 will distribute the
audio with the video (audio follow).
Although the input and output audio connectors are
physically the same, they are used differently. See the
illustration and the following descriptions for the
correct wiring of audio inputs and outputs.
Audio Input — Connect the stereo audio sources to
Audio In. Input cables should be wired as follows:
• Stereo left to Tip (+) contact
• Stereo right to Ring (-) contact
• Both commons to Sleeve (Gnd) contact
Extron RGB 302/304 Universal Interface • User's Manual
Chapter 2 • Installing the RGB 302/304
RGB 304
AUDIO
L
R
OUT
AUDIO IN
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