Nilfisk-ALTO user manual EQU131VU Front Panel, EQU231VU Front Panel, EQU231LED Front Panel

EQU131VU Front Panel 11

R

LTO

EQU131VU

31 Band Graphic Equalizer

+12 +6		+17
		+13
		+ 9
	0		0dB
		- 9
		-13

-12 - 6 -

20 25 31.5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1K 1.25K 1.6K 2K 2.5K 3.15K 4K 5K 6.3K 8K 10K 12.5K 16K 20K LEVEL

R

LTO

POWER OUTPUT

HI-PASS LOW-PASS BY-PASS RANGE

40Hz 16 KHz CLIP 6 12

ON

OFF

POWER

12 3 12413 57 9 8 10

EQU231VU Front Panel

3

4 12 13

20

25

31.5

40

50

63

80

100

125

160

200

250

315

400

500

630

800

1K

1.25K

1.6K

2K

2.5K

3.15K

4K

5K

6.3K

8K

10K

12.5K

16K

20K

LEVEL

HI-PASS LOW-PASS

+12 +6

+17

40Hz

16KHz

0

0dB

40Hz

16KHz

12

R

LTO

6

-12 - 6

-

POWER OUTPUT

BY-PASS

BYPASS

RANGE

R

LTO

31 Band Graphic Equalizer

Channel One

CLIP

EQU231VU

Channel Two

HI-PASS LOW-PASS

+12 +6

+17

40Hz

16KHz

0

0dB

40Hz

16KHz

12

R

ON

LTO

6

-12 - 6

-

POWER OUTPUT

BY-PASS

OFF

20

25

31.5

40

50

63

80

100

125

160

200

250

315

400

500

630

800

1K

1.25K

1.6K

2K

2.5K

3.15K

4K

5K

6.3K

8K

10K

12.5K

16K

20K

LEVEL

BYPASS

RANGE

CLIP

POWER

															1																	2
EQU231LED Front Panel
20	25	31.5	40	50	63	80	100	125	160	200	250	315	400	500	630	800	1K	1.25K	1.6K	2K	2.5K	3.15K	4K	5K	6.3K	8K	10K	12.5K	16K	20K	LEVEL
																														+12 +6		+17
																															0	0dB
																															-12 - 6	-
R
LTO												Dual 31 Band Graphic Equalizer																Channel One
EQU231LED																												Channel Two
																														+12 +6		+17
																															0	0dB
																															-12 - 6	-
20	25	31.5	40	50	63	80	100	125	160	200	250	315	400	500	630	800	1K	1.25K	1.6K	2K	2.5K	3.15K	4K	5K	6.3K	8K	10K	12.5K	16K	20K	LEVEL

11 6 8 57 10

14

HI-PASS LOW-PASS		BY-PASS	RANGE
40Hz	16 KHz	CLIP	6	12
HI-PASS LOW-PASS		BY-PASS	RANGE
				ON
				OFF
40Hz	16 KHz	CLIP	6	12

POWER

1 2 3 12413 57 9 8 10

EQU231TWIN Front Panel

20	25	31.5	40	50	63	80	100	125	160	200	250	315	400	500	630	800	1K	1.25K	1.6K	2K	2.5K	3.15K	4K	5K	6.3K	8K	10K	12.5K	16K	20K	LEVEL
																														+12 +6		+17
																																+13

+ 9

0	0dB
	- 9

-13

-12 - 6 -

R		Channel One
LTO	Dual 31 Band Graphic Equalizer
		Channel Two
EQU231TWIN

+12 +6 +17

+13

+ 9

0 0dB

- 9

-13

-12 - 6 -

20 25 31.5 40 50 63 80 100 125 160 200 250 315 400 500 630 800 1K 1.25K 1.6K 2K 2.5K 3.15K 4K 5K 6.3K 8K 10K 12.5K 16K 20K LEVEL

14

HI-PASS LOW-PASS		BY-PASS	RANGE
40Hz	16 KHz	CLIP	6 12

HI-PASS LOW-PASS			BY-PASS	RANGE
	40Hz	16 KHz	CLIP	6 12

ON

OFF

POWER

1 2 3 12413 57 9 8 10

1. Filter level controls

Each one of these linear potentiometers will boost or attenuate (either 6dB or 12dB) the selected frequency at a preset bandwidth.

When all the sliders are in the centre position, the output of the equalizer is flat response.

5