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7.9 840B Connections
The rear panel connections for the 840B Central Facilities module are as follows:
NOTE: The screened pinout on the rear panel of the 1608 is
actually WRONG. The CORRECT pinout is as above.
7.10 STEREO HEADPHONE JACK
STEREO HEADPHONE JACK: (under armrest on Right side of console)
• Headphone amplifier output
• 1/4" tip-ring-sleeve jack
TALKBACK: Talkback Remote Port
• Pin 1 = +5 volts (fused)
• Pin 2 = T/B To Echo
• Pin 3 = T/B to All
• Pin 4 = T/B Slate
• Pin 5 = Ground
• 5-Pin Female XLR connector
• Connect pin5 to pin 2, 3, or 4 through
an external momentary switch for
remote talkback use
OSCILLATOR: Oscillator Output
• Balanced, Line-level
• Male XLR connector
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