Инструкция BEHRINGER VIRTUAL AMPLIFICATION V-AMP PRO — страница 12

Инструкция

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Инструкция для BEHRINGER VIRTUAL AMPLIFICATION V-AMP PRO на русском языке. Документ можно использовать для ознакомления с информацией, относящейся к данной модели.

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V-AMP PRO

8. INSTALLATION

Special effects

COMPRESSOR: A compressor limits the dynamic range of the

audio material, thus producing audible and creative sound effects.

Pronounced use of the compressor (using the EFFECTS control)

allows you to compress the overall dynamic range of the material.

AUTO-WAH: The legendary wah-wah effect owes its fame

mainly to Jimi Hendrix. Describing it is certainly more difficult than

simply listening to Hendrix using it on Voodoo Chile. In American

funk music of the 70s you can hear auto-wah effects used in a

variety of applications. The auto-wah alters its filter frequency

automatically depending on the signals magnitude, rather than

being controlled by the position of a pedal.

TREMOLO: Simulates the classic Fender Tremolo. It has

returned to popularity with trip-hop.

ROTARY: This is the quintessential simulation of the classic

organ effect normally produced by speakers rotating at slow or

fast speed in an extremely heavy speaker cabinet. This effect

uses the physical principle of the Doppler effect to modulate the

sound.

NOISE GATE: Noise gates are used to remove or reduce

noise or other interference. Guitar signals in particular are very

sensitive to interference. Not only do guitarists often use high-

gain settings but guitar pick-ups can amplify unwanted inter-

ference. This can be painfully apparent during breaks in the

music. And how does a noise gate work? It simply mutes the

signal during breaks, eliminating any interference at the same

time.

6.2 The separate reverb effect

The reverb effect from your V-AMP PRO is independent of

the multi-effects processor and can be added to the mix signal

at any time. To edit the REVERB function, press button D in

EDIT mode (pressing the two arrow keys simultaneously)

and use the two arrow keys to select one of the nine different

reverb types available (see enclosed sheet for further details).

7. TUNER

Press the TUNER button to activate the built-in tuner.

7.1 Tuning your guitar

The chromatic tuner automatically recognizes the frequencies

of all the standard guitar notes. For the A-string this means a

frequency of 220 Hz. When you plug your guitar into the

V-AMP PRO and play an open string, the tuner will recognize

and display the note. Since the tuner uses an auto-chromatic

scale, it can also recognize semi-tones, which are shown with

a b in the display.

It may happen, however, that a note is displayed as A but is

actually slightly out of tune. This is shown by at least one of the

four LEDs at the foot of the display lighting up. In certain cases

even two of the LEDs may light up, which indicates that the pitch

of the note played lies between the pitches represented by the

two LEDs. When the circular tuner LED in the middle lights up,

this means the note played is in tune.

7.2 Setting reference pitch A

To give you maximum freedom for tuning your guitar, you can

change the preset reference pitch A. For claritys sake, lets

look at this in more detail.

The so-called concert pitch A has been raised steadily over

time. For example, the tuning forks used by Bach, Händel or

Mozart were 415, 420 or 421 Hz (oscillations per second). Todays

orchestras tune to A at 444 Hz, and the Berlin Philharmonic

Orchestra lead the field with their own concert pitch A at

447 Hz.

The reference A on your V-AMP PRO has been factory-

programmed at 440 Hz. If you are going to play with a big orchestra

tuning their instruments to a reference pitch of 444 Hz, you will

need a function that allows you to change your reference pitch.

To activate this function, switch on the tuner by pressing the

TUNER button and switch to EDIT mode by pressing the two

arrow keys simultaneously. The display will show 40, which

means 440 Hz. Use the arrow keys to raise or lower the reference

pitch by up to 15 Hz. The display always shows the last two

digits as the first digit is always 4. For example, if you start with

a reference pitch of 440 Hz and press the right-hand arrow

three times, the display will read 43, i.e. 443 Hz. To quit EDIT

mode, press either the TUNER or the TAP button. Any changes

will be stored automatically. The tones for the other strings on

your guitar will automatically be adjusted to the new reference

pitch.

8. INSTALLATION

8.1 Rack mounting

The BEHRINGERV-AMP PRO requires two height units (2 HU)

for installation in a 19" rack. Please allow an additional 4" of

rack depth for the rear panel connectors.

Be sure that there is enough air space around the unit for

cooling. To avoid overheating, do not place the unit on power

amps, for example.

8.2 Mains voltage

Before you connect the V-AMP PRO to the mains, please

make sure that the voltage setting on the unit matches

the local voltage! The fuse holder at the AC power connector

has 3 triangular markings. Two of these three triangles are

aligned with one another. The unit is set to the voltage shown

next to these markings and can be switched over by turning the

fuse holder by 180°. IMPORTANT: This does not apply to

export models designed exclusively for 115 V operation!

+ If you set the unit to a different mains voltage, be

sure to use a fuse of the correct type and rating.

Please refer to chapter 9 SPECIFICATIONS for

details.

+ Blown fuses must be replaced by fuses of the same

type and rating! Please refer to chapter 9

SPECIFICATIONS for details.

The mains connection is made using the enclosed power cord

and a standard IEC receptacle. It meets all of the international

safety certification requirements.

+ Please make sure that all units have a proper

ground connection. For your own safety, never

remove or disable the ground conductor from the

unit or of the AC power cord.

8.3 Audio connections

The input of your BEHRINGER V-AMP PRO is a mono 1/4" jack.

All line out, line in and headphones outputs are 1/4" stereo jacks.

The line outputs work with both balanced and unbalanced

connections. The DI OUT outputs are on XLR connectors.

DATA-MANFULL_V-AMP PRO_ENG_Rev_A.PMD 16.09.2002, 14:1512

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Инструкция BEHRINGER VIRTUAL AMPLIFICATION V-AMP PRO — страница 12

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