Muse Research Receptor TRIO/QU4TTRO manual v1.0 - Manual (Page 7)

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The Front Panel
The RECEPTOR TRIo or QU4TTRO can be completely controlled using the buttons, control knobs,
and 2-line LCD located on the front panel. Be sure to read this section in its entirety so you can get
the most out of your RECEPTOR's front panel controls.
Front panel Controls and Functions
1. Power Button: Press once to turn on; press twice to shut it down completely. Should you ever
want to reboot the unit, simply press the power button three times. Pressing and holding the power
button will force an instant power down, but you should only do this if the system is completely
unresponsive, which is very unlikely.
Note: Be sure to press the power button TWICE and wait until the unit turns off
completely before removing power from the RECEPTOR. This ensures normal start up
next time you apply power.
2. Master Volume Control: This control affects the output volume of the RECEPTOR resident
outputs as well as all of the PreSonus AudioBox 1818 outputs. In normal use, we recommend
that you set this control to its maximum, and then adjust the gain on the mixer, amp, or powered
speakers that your RECEPTOR is connected to in setting a comfortable listening or performance
level. When using headphones, use this control to ensure that you are listening at a comfortable
and safe listening volume. Note that this control sets the output level of the actual hardware and
does not affect the metering either on the front panel or on the graphical user interface.
Note: Listening to music at high volumes for extended periods of time can cause temporary or
permanent hearing loss. Always use common sense and take adequate precautions when listening
to loud sounds or instruments so as to protect your hearing!
3. Headphone Output: The 1/4" front panel headphone jack lets you listen to your RECEPTOR in
private. The level is controlled by the Master Volume Control.
Note: The built-in rear panel outputs of your TRIO or QU4TTRO take precedence over the
headphone outputs, and the PRESONUS AUDIOBOX interface takes precendence over the built-
in audio I/O. This means that when you plug something in to the rear outputs of your TRIO or
QU4TTRO, the headphone jack will be disconnected, as is the case if the AUDIOBOX interface is
attached and selected. If you need to monitor through headphones while sending to different line
level outputs, simply connect the PreSonus AudioBox 1818 interface and you can send both to the
heaphones and to the line outputs simultaneously.
4. Control Encoders: These controls let you change the menu items that are on the LCD. The
top knob controls the menu items on the top line of the display, and the bottom knob controls the
menu items on the lower line of the display. Pushing on either of these knobs "selects" displayed
items in the LCD when a choice is presented on the LCD.
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