DIGISYNTHETIC DS2012 Benutzerhandbuch - Seite 6

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5. Functions
5.1.

Power On

After Power on, Loading the parameters setup and static Filters
parameter last Shutdown time. Filters LEDs lit up.
5.2.

Level Display Function

Panel is divided into upper and lower portions, correspond to A/B two
Channels. 5 Section Level indicator LEDs. Colors and Level definition
as below:
Gr e e n
Gr e e n
-
-
38
24
Gr e e n
Gr e e n
5.3.

Notch Filters Status Display Functions

Right 12 LEDs correspond to 12 notch filters. If not light, notch filter
doesn't work; Long light means static notch filter; Flicker means
dynamic notch filter.
1
2
3
4
5
6
5.4.

Bypass Mode Function

Press button 【Bypass】，LED lit and indicates the current is under
Bypass status.
This operation will not affect the previous notch filters setting. Under
Bypass mode, all notch filters are not involved, but detect and record
howling frequency.
BYPASS
SENSITIVITY
(
)
RESET
5.5.

Reset Notch Filter Function

Reset function is used for Reset all notch filter in this channel. Press
button 【Bypass/Reset】 and stay for 3 seconds, all notch filter Reset
and back to initial state, that means there are no filters at any frequency.
This operation will not change static/dynamic filters allocation.
After Reset onset, the LEDs light up from the first one until all, and then
all LEDs are off.
This feature is used to reset the static notch filter parameters have been
captured and re-capture environmental Noise points.
Besides, when the operation environment changed, and makes the
debugging work more convenient and efficient.
Gr e e n
Ye llow
R e d
-
-
12
6
CLIP
Gr e e n
Ye llow
R e d
7
8
9
10
11
12
FILTER M ODE
NOISE GATE
(
)
SETTING
5.6.

Sensitivity Adjustment

Each time press 【FB Suppression】, switch one level Sensibility
circularly, totally three levels(High, Middle, Low).
Different colors indicate different sensibility grades. Green represent
Low, Yellow represent Middle and Red represent High.
BYPASS
(
RESET
)
5.7.

Mode Setting Function

Long Press 【Filter Mode】 above 3 seconds, and dispose the quantities
of static and dynamic notch filter. Use buttons +/- to control increasing
and decreasing. Long light indicates static filter, flicker indicates
dynamic filter. Press again【Filter Mode】 to finish notch filter
configuration. Back to normal working condition automatically.
BYPASS
(
RESET
)
5.8.

Noise Gate Function

Noise Gate function is used to limit a certain level of noise or sound. For
example, it could be used to eliminate the noise of page turning from
attendees in the Conference system.
Long press button【Noise Gate】switch to use or disable Noise Gate
function. There are four levels as below：
Level
Colour
Level Thresold
Attack Time
Release Time
5.9.

Limiter Function

Limiter function could prevent the Loudspeakers from burning when
output level unrestricted increased effectively.
It is also used in normal circumstances to limit the output level.
The device panel couldn't set up the Limiter parameters. Only GUI
could adjust this. Parameters as below:
Limit Threshold
Attack Time
Release Time
Ratio
4
FILTER MODE
SENSITIVITY
NOISE GATE
(
SETTING
)
FIL TER M ODE
SENSITIVITY
NOISE GATE
(
SETTING
)
OFF
1
2
Lights off
Green
Yellow
-
-70dB
-60dB
-
200ms
150ms
-
20ms
15ms
-40dB~0dB
0.1ms~100ms
0.010s~5s
1:1~128:1
3
Red
-50dB
100ms
10ms