This is the Back Panel of the VIVO 16 UFX, here you find the power connection/switches and the USB 2.0 Connector
AC INPUT
- Connect mixer to main power AC supply with cable. Accessories includes fuse. When change fuse,
please use the fuse of equal specification.
POWER ON
- The switch is used to turn off or to turn on main power. Note :power on need delay 3 seconds!
PHANTOM POWER
- It's only used for XLR MIC socket compression microphone. When phantom power already
starts don't insert microphone. Before turning on phantom power, please make sure all faders are turned off to protect
your stage monitor and main speaker.
USB 2.0
- USB port is connected to computer via USB cable to record or to send a stereo signal when the
“2TRK/USB TO MAIN” switch is enabled.
MIC/LINE MONO CHANNELS
GAIN AND EQ
Adjust input signal level to get optimum balance of S/N ratio and dynamic range; for optimum
operation, you shall set this control in a way that the CLIP LED blinks only occasionally in order
to avoid distortion on the input channel. Microphone input gain adjusts range mono channel:
from 0 to 50 dB - . Line input gain adjusts range mono channel from -35 to +15 dB.
LO CUT FILTER
This switch turn on/off hi-pass filter, you will activate a 75 Hz low frequency filter with a slope of
18 dB per octave. You can use this facility to red hum noise infected by the mains power
supply, or the stage rumble while using a microphone.
EQ SECTION
At all mono channel input channel 1-12 features sweepable MID 3 band EQ, HI, MID, and LO.
HI
- If you turn this control up, you will boost all the frequencies above 12 kHz (shelving filter).
You will add transparency to vocals and guitar and also make cymbals crispier. Turn the control
down to cut all frequencies above 12 kHz. In such way, you can reduce sibilances of human
voice or reduce the hiss of a Tape player.
MID
- This is band pass filter. It affects MID frequency range in center frequency from 100Hz -
8KHz. Q value sets at 1.8, all frequency boost and cut down to be +/-15dB.
LO
- This control gives you up to 15 dB boost or cut at 80 Hz. You will give more punch to bass
drum and bass guitar and make the vocalist deeper. Turn it down, you will cut all the
frequencies below 80 Hz. In this way, you can avoid low frequency vibrations and resonance
thus preserving the life of your woofers.