DIGISYNTHETIC K7 Panduan Penggunaan Produk - Halaman 5

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Product features

This product is the use of 32-bit high performance DSP and
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AD/DA, 48kHz sampling rate of professional digital multi-
Channel Karaoke processor.
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High quality professional vocal effects (Reverb, Echo, Reverb
+ Echo).
Automatic digital feedback inhibition, 5 optional.
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+ -
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12 level stereo music pitch-shifter.
P arametric equalizer (can be s et to low -s helf / high-s helf
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filter):
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Music (left / right) 15 bands, Microphone (A/B) 15 bands, Echo
10 bands , Reverb 10 bands , The main output (left / right)
10bands , Center 10 bands , S ubw oofer 7 bands , S urround
(left/right) 7 bands.
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Inputs, Outputs, Echo and Reverb have high-cut and low-cut
filters with 12dB / 18dB / 24dB / 48dB of Bessel / Butterworth /
Linkwitz-Riley
Each input and output channel is equipped with high quality
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compressor.
The music and the output channels are equipped with delay
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function
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Each output channel with matrix volume function
A djus tment o f M us ic ( left / r ight), M icrophone ( A /B), a nd
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Main output (left / right) surround(left/right) can be Linked
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3 groups of audio and video input (background / input 1/ input
2),automatic background music (6-15 seconds),2 groups of
digital audio input (coaxial, optical fiber).
VOD computer interface, wired or wireless infrared remote
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control, connect to various equipment conveniently.
Computer real-time control by RS232C and USB, all parame-
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ters can be adjusted
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Extremely low noise floor.
Initialize mode optional (Auto save or user presets 1-3).
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Automatic switching two modes between sing and disco.
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128*64dotmatrix LCD display.
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Mass storage: 15 user program.
Normal boot process
Connect t he p ow er c able, t urn o n t he p ow er s w itch, L ogo a nd
Model will be showed on screen, as follows:
TOP KTV
B G M
Then display version and status, the device starts to load the data.
Initialize mode optional (Auto save or user presets 1-3), as shown
in the following figure:
B G M
Version
Loading
Enter the boot screen after the completion of the loading.
The boot screen shows the current volume of microphone, music
and effect , the fifth row is high lighted characters and the
s ignificance are as follow s : the current mus ic input port, the
output mode, the panel lock, function lock , music pitch, feedback
inhibition. As shown in the following figure:
M I C: -25.0dB
MUS: -25.0dB
E F F: -12.5 dB
dual
-
*.**
user 1
echo
all
h

Music menu:

1 . Switch to a different page of the music menu by continuous
press [Music].
2 . Rotary knob [MUS VOL/EDIT] adjust the parameters, some
parameters can be rough adjusted by rotating the knob [EFF
VOL/Par. Coarse]
3 . Key[ ]and[ ] switch with a page of the cursor position, adjust
other parameters (or with knob [MIC VOL/Cursor] for quickly
adjusted the cursor position).
4. The music parameters are as follows:
(1)Music input selection:
BGM(Background music), input 1, input 2, BGM-6 BGM-
15, coaxial (S/PDIF), optical (S/PDIF)
(2)The volume of music:
Mute, or -30dB to +12dB, step 0.5dB
(3)The volume of the left and right channels of music
Mute, or -30dB to +12dB, step 0.5dB
(4)Music equalizer (15 bands, left and right channels can be
adjusted separately):
Type:
Frequency:
Gain:
Bandwidth:
(5)Low-cut and High-cut filters of music (left and fight
channels can be adjusted separately):
Frequency of Low-cut filter: 19.7Hz – 202Hz
Frequency of High-cut filter: 12100Hz - 20200Hz
Roll-off of filters:
Type of filters: Bessel, Butterworth, Linkwitz-Riley
(6)Delay of Music (left and fight channels can be adjusted
separately):
On / off
0.0mS to 50mS, step 0.1mS
(7)Compressor of music (left and right channels can be
adjusted separately):
Off / Hard-knee / Soft-knee typeⅠ / Soft-knee type Ⅱ /
Soft-knee type Ⅲ / Soft-knee type Ⅳ / Soft-knee typeⅤ
Threshold: -20dBu to 14.3dBu, step 0.5dB
Ratio: 1:1 to 16:1, step 2:1
(8)Noise gate of music (left and right channels can be
adjusted separately):
Off, or -90dB to 42dB, step 1dB
(9)Pitch-shifter of music (in the boot menu, press keys
[
] and [
] to adjust the pitch):
+ -
12 grads, b12 to #12, step 100 cent
(10)Gain trim of music inputs:
Analog inputs (BGM/IN1/IN2) : 0dB, +3dB or +6dB
Digital inputs (S/PDIF, coaxial or optical): -12dB to 0dB,
step 0.5dB
(11)Linking left and right channels of music
Yes / No
Microphone menu
1 . Switch to a different page of the microphone menu by
continuous press [MIC].
2 . Rotary knob [MUS VOL/EDIT] adjust the parameters, some
parameters can be rough adjusted by rotating the knob [EFF
VOL/Par. Coarse]
F B X
0
3 . Key[ ]and[ ] switch with a page of the cursor position, adjust
other parameters (or with knob [MIC VOL/Cursor] for quickly
adjusted the cursor position).
4, Microphone parameters are as follows:
(1) Microphone volume:
F B X
0
Mute, or -30dB to +12dB,step 0.5dB
(2) The left and right microphone volume:
Mute, or -30dB to 0dB,step 0.5dB
(3) The volume of direct sound:
Volume:
Phase inverter:
(4) Microphone equalizer (15 bands,group A and B can be
adjusted separately):
Type:
Frequency:
Gain:
Bandwidth:
(5) Low-cut and High-cut filters of music (group A and B can
be adjusted separately):
Frequency of Low-cut filter: 19.7Hz – 202Hz
Frequency of High-cut filter: 12100Hz - 20200Hz
Roll-off of filters: 12dB, 18dB, 24dB, 36dB
Type of filters: Bessel, Butterworth, Linkwitz-Riley
(6) Compressor of microphone (left and fight channels can be
adjusted separately):
~
PEQ/ Low-shelf / High-shelf
19.7Hz - 20200Hz
-15dB to +12dB, step 0.1dB
0.011~3.595
12dB, 18dB, 24dB, 36dB
0
0
0% to 100%, step 1%
0°/ 180°
PEQ/ Low-shelf / High-shelf
19.7Hz to 20200Hz
-15dB to +12dB, step 0.1dB
0.011 to 3.595
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