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USP-1 Front Panel Layout
(for larger image, see page 24)
* Input Indicator LEDs
LEDs above each selectable button illuminate when the labeled function is engaged. All of the labeled
indicators are available as remote commands. When receiving commands, the COM/RECV LED
illuminates as well.
1. Headphone Jack
Standard 1/4” gold -plated Headphone jack is provided on the front panel.
2. CD Player Source Selection Button
Selects a properly connected CD player as input source.
3. Phono Source Selection Button
Selects a properly connected turntable as input source.
4. Tuner Source Selection Button
Selects a properly connected tuner as input source.
5. Auxiliary 1 Source Selection Button
Selects any 2 channel audio device with analog outputs connected to the AUX1 inputs as input source.
6. Auxiliary 2 Source Selection Button
Selects any 2 channel audio device with analog outputs connected to the AUX2 inputs as input source.
7. I/R Receiver Window
Point the remote at this window for operation of the USP-1 by remote.
8. Mono Button
Push to combine left and right (L+R) channels of the USP-1.
9. Tape Monitor Button
This ‘loop’ connects an external recording device to the USP-1 preamplifier via RCA outputs and inputs.
While this traditionally has been a cassette player or DAT player, this connection could also be a hard
drive based recording device as long as the input and output connections are analog RCA audio
connections.
(continued, next page)
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