Zoom ACOUSTIC 504 II Spécifications télécharger pdf (Page 5)

The 504 comes with 24 predefined patches. However, the 504 offers many more possibilities for

combining effects in innovative ways. To discover these possibilities, we recommend that you try

changing the parameters (elements that make up patches) to create your own patches. This operation is

called editing, and is done in the Edit mode.

To switch from normal Play mode to Edit mode, press

the EDIT key briefly (for less than 1 second).

* Note that if the EDIT key is held down for 1 second or

longer, the Bank Hold mode will be activated.

Immediately after switching from Play mode to Edit

mode, the TYPE parameter cursor is flashing, and the

TYPE setting is shown on the display. This indicates that the TYPE parameter is currently selected for

editing.

In Edit mode, the EDIT key or PATCH UP/DOWN pedals are used to select the parameter for editing.

The 504 has the following parameters:

• TYPE: Selects the preamp module type. Make the selection according to the connected type of guitar and

the desired application.

• LIMITER/EDGE: Depending on the setting of the TYPE parameter, this parameter enhances the edge of

the guitar string sound or compresses the dynamic range.

• BODY & TOP: Emphasizes the lower frequency range (BODY) or upper frequency range (TOP), causing a

voluminous sound or making the sound brighter and more distinct.

• AIR: Simulates sound as if captured with a microphone.

• MODULATION: Lends a soft expansive feeling to the sound, using a chorus effect. Depending on the

parameter setting, an octave-higher component can be added, to emulate the sound of a 12-string guitar.

• REVERB & DELAY: Adjusts the reverberation effect. Depending on the parameter setting, a mix of delay

and reverb can be created to increase the depth of the sound.

• De-AMP: Serves to control the frequency range that can be sonically unpleasant when reproducing the

sound of an acoustic guitar over an electric guitar amplifier.

• F.B.SUPPRESSOR: Reduces feedback which can occur easily when using an acoustic guitar during a live

performance.

• LEVEL: Adjusts the overall level of the patch.

Each push of the EDIT key moves the blinking parameter cursor indicator one step down. The TUNER

indicator serves as parameter cursor for the LEVEL parameter. When the EDIT key is pressed while the

lowest indicator (F.B.SUPPRESSOR) is flashing, the TUNER indicator starts flashing and the LEVEL

parameter can be adjusted.

The parameter value is changed using the VALUE +/- keys. For details on parameters, please refer to

section "12. Effect Parameters".

To terminate the Edit mode and return to the Play mode, press the EDIT key while the LEVEL

parameter is selected (TUNER indicator is flashing). For information on how to store changed

parameters, please refer to section "13. Storing Patches".

When the PATCH

DOWN pedal is pressed

instead of the EDIT

key, the TYPE

parameter is selected

again and the unit does

not return to the Play

mode.

Editing Patches

(1) While still in Play mode, select

the patch you wish to edit.

(2) Press the EDIT key to

activate the Edit mode.

(1) Use the EDIT key or patch

pedal to select the parameter

you wish to change.

(2) Use the VALUE +/- keys

to adjust the parameter.

(3) While the TUNER indicator

(Parameter 9:LEVEL) is flashing, press

the EDIT key to return to Play mode.

Effect Parameters

Selection of parameters to change

As described in 11. Editing Patches, parameters to be edited are selected by

repeatedly pressing the EDIT key, but you can also use the patch pedals for

this purpose.

Press the PATCH UP pedal (right patch pedal) to move the parameter

cursor from the bottom up.

Press the PATCH DOWN pedal (left patch pedal) to move the parameter

cursor from the top down.

Switching parameters on and off

Except for LEVEL, any selected parameter can be turned on or off by

pressing the PATCH UP/DOWN pedals simultaneously. The on/off

condition can also be stored as part of the patch.

• To switch a parameter on or off:

When any parameter except LEVEL is selected in the Edit mode, pressing

the PATCH UP/DOWN pedals simultaneously turns the parameter off.

(The indication "oF" appears on the display.) The parameter can be

turned on again either by pressing the PATCH UP/DOWN pedals

simultaneously once more, or by pressing one of the VALUE +/- keys.

The parameter setting that was active before will be reestablished.

* When the F.B.SUPPRESSOR parameter is set to "SC", turning the

parameter off and on again will cause the automatic feedback frequency

detection to be performed once more. The frequency setting therefore

may be different after the parameter is turned on again.

Parameter setting shortcuts

Normally, parameter values are set by tapping the VALUE + or VALUE –

key once for each increment or decrement. For quick operation, you can

use the shortcut function. This is activated in the Edit mode by pressing

both VALUE keys together.

For example, if the LEVEL parameter is set to "20" and you want to change

it to "29", you would have to press the VALUE + key 9 times. Instead, you

can achieve the same effect by using the shortcut function: press the

VALUE +/– keys together, which will change the value to "30" and then

press the VALUE – key once to arrive at "29".

Using the F.B.SUPPRESSOR

(1) Detecting feedback frequency automatically in Edit mode

Select a different setting for F.B.SUPPRESSOR and then select "SC", or

turn the parameter off and then on again while "SC" is selected.

(2) Adjusting feedback frequency manually in Edit mode

If feedback attenuation in "SC" mode is not satisfactory, try setting the

F.B.SUPPRESSOR parameter manually to a value between 1 and 30 to

find the setting which yields optimum suppression.

(3) Detecting feedback frequency automatically in Play mode

In order to be able to automatically detect the feedback frequency while

playing the guitar, you must first set the F.B.SUPPRESSOR parameter

to "SC". In Play mode, you can then turn the parameter off and on again

by pressing the foot switch FS01 twice. The feedback frequency will be

detected automatically, and suppression will be active.

* During the detection interval (about one second), do not turn down the

guitar volume or change other settings.

* If the F.B.SUPPRESSOR parameter is set to 1 - 30, switching the

parameter off and on again will not cause automatic feedback

frequency detection.

* In either case, the F.B.SUPPRESSOR parameter setting will be stored

when the currently selected patch is stored.

Master level adjustment

With the 504 you are also able to set the master level that governs the

overall output level.

The master level is adjusted in Play mode. Hold the VALUE +/– keys down

simultaneously for at least 1 second. The current master level will be

displayed for 1 second.

While the level is being displayed, use the VALUE +/– keys to change it.

The setting range is 0 –50. (Default value = 40)

The unit does not store the setting for the master level. Each time the power

is turned on it has to be set again.

HINT

Global parameters

PARAMETER 1 : TYPE

PARAMETER 2 : LIMITER / EDGE

ry (rhythm):

Tight sound best

suited for stroke

playing.

PRE AMP for ACOUSTIC Guitar

Jb (jumbo):

Simulates the sound

of a large-bodied

acoustic guitar.

PE (piezo):

Simulates the sound of

an acoustic guitar with

a piezo pickup.

Gt (gut):

Simulates the

sound of a

classical guitar with

nylon strings.

Jb PE Gt

br (bright):

Bright sound best

suited for

fingering.

nr (normal):

Simulates the

sound of a

traditional acoustic

guitar.

na (natural):

Natural sound

suitable for

almost any genre

and playing style.

Md (mild):

Changes even the

sound of piezo

pickups to a

warm sound.

When using an acoustic guitar, select one of the settings na, Md, ry, br. These

settings control the dedicated acoustic guitar preamplifier, each giving a different

sound character. Choose the setting that is best matched to your playing style.

SIMULATOR for ELECTRIC Guitar

When using an electric guitar, select one of the settings nr, Jb, PE, Gt. These settings control the

acoustic guitar simulator which makes an electric guitar sound like an acoustic guitar. Each setting

gives a different sound character.

When using an acoustic guitar, this parameter serves for

making preamplifier settings. When using an electric guitar, the

parameter serves for making acoustic guitar simulator settings.

Depending on the setting

of the TYPE parameter,

this parameter either

controls the dynamic range

or the sharpness of the

sound.

This parameter adjusts

the lower frequency

range (BODY) or upper

frequency range (TOP).

This parameter imitates

the way a guitar sounds

when picked up by a

microphone.

This parameter serves to

adjust the overall level of

the patch.

This parameter lends a

wide, spacious feeling to

the sound.

This parameter adds

reverb and delay to the

original sound.

This parameter serves to

control the frequency range

that can be sonically

unpleasant when reproducing

the sound of an acoustic guitar

over an electric guitar amplifier.

This parameter serves for

suppressing feedback

which can occur when

using an acoustic guitar

during a live performance.

The frequency range for the

parameter can be selected.

PARAMETER 3 : BODY & TOP

PARAMETER 4 : AIR

PARAMETER 5 : MODULATION

When one of the settings na, Md, ry, br (for acoustic guitar) is selected for the TYPE

parameter, the LIMITER/EDGE parameter works as a limiter that compresses the

dynamic range.

* The limiter can be adjusted also when the TYPE parameter is off.

Increasing the BODY value results in a more voluminous sound, and

increasing the TOP value makes the sound brighter and more distinct.

Adjusts the lower frequency range (BODY).

Higher values result in more voluminous

sound.

b1 b9

The parameter creates a wide sound stage by adding a chorus effect.

Some settings result in a 12-string guitar sound.

Deep and rich chorus effect. Higher values result in a stronger effect.

C1 C9

PARAMETER 7 : De-AMP

When using an electroacoustic guitar,

depending on the amplifier and pickup type,

certain frequency ranges can sound

unpleasant or grating to the ear. By adjusting

the De-AMP parameter, this phenomenon

can be reduced. The following three setting

ranges are available. Choose one that is

most effective for your playing technique.

Reduces certain offending frequencies likely to occur

with a bright combo type guitar amplifier. Higher values

result in more effective suppression.

b1 b9

PARAMETER 9 : LEVEL

The higher the setting, the higher

the overall patch level.

130

PARAMETER 8 : F.B. SUPPRESSOR

Feedback is reduced by attenuating a selectable frequency range (feedback frequency).

The frequency range can be selected either automatically or manually.

This setting serves to automatically detect the

feedback frequency while playing. By selecting

"SC" when feedback occurs, the frequency is

detected (this process requires about one second),

and attenuation is then applied automatically.

The detection occurs whenever the setting is switched to

"SC" from the "1"setting, or if the F.B.SUPPRESSOR

parameter is turned from off to on (by pressing the PATCH

UP/DOWN pedals simultaneously), with "SC" selected.

While the frequency is being detected, the parameter cursor

flashes and the pedals and keys of the unit are inactive.

Reduces certain offending frequencies likely to occur

with a combo type guitar amplifier. Higher values result

in more effective suppression. The frequency range

differs from the b1 - b9 settings.

c1 c9

Reduces certain offending frequencies likely to occur

with a stack type guitar amplifier. Higher values result

in more effective suppression.

S1 S9

PARAMETER 6 : REVERB & DELAY

The parameter controls simulated reverberation and echo (delay).

Some settings allow use of both effects together.

Simulates reverberation in a fairly large room. Higher values result in

stronger reverb.

Light chorus effect with emphasis on the original sound. Higher values

result in a stronger effect.

c1 c9

Simulates the sound of a 12-string guitar. Higher values increase the intensity of

the effect.

t1 t9

Creates a doubling effect as if two similar instruments were played at the same time.

Higher values result in a stronger shift between effect sound and original sound.

d1 d9

Creates a delay effect. Higher values result in longer echo intervals.

d1 d9

Creates a mixed reverberation and delay effect. Higher values result in stronger

reverb and longer echo intervals.

r1 r9

The parameter lets you create an airy, expansive sound even during line recording.

Adjusts the simulated mike position. Higher values move the

simulated microphone further away from the guitar.

110

Adjusts the upper frequency range (TOP).

Higher values result in brighter sound.

t1 t9

Simultaneously adjusts the lower frequency range

(BODY) and upper frequency range (TOP). Higher

values result in a more pronounced effect.

E1 E9

* The effect of the BODY & TOP parameter differs, depending on whether a setting for acoustic

guitar (na, Md, ry, br) or electric guitar (nr, Jb, PE, Gt) is selected for the TYPE parameter.

* The De-AMP parameter is a global parameter which

works on all patches.

* The F.B.SUPPRESSOR parameter is a global parameter

which works on all patches.

L1 L9

Simulates reverberation in a fairly small room. Higher values result in

stronger reverb.

S1 S9

Allows manually adjusting the feedback

suppression range. The higher the setting, the

higher the feedback frequency.

130

115

—

Controls the limiter intensity. Larger values result in

stronger limiter effect (more narrow dynamic range).

When one of the settings nr, Jb, PE, Gt (for electric guitar) is selected for the TYPE

parameter, the LIMITER/EDGE parameter works as an EDGE effect that enhances

the sharpness of the guitar string sound.

115

Controls the EDGE effect. Larger values result in

more pronounced string sound.

—

–

Pressing one of the VALUE +/- keys

increases or decreases the setting

by one step.

–

Increases or decreases

the setting by 1.

Skips to 10 if current setting

is 1 - 9, and to 15 if 10 - 14.

–

VALUE +/- keys

–

Increases or decreases

the setting by 1.

Skips to t1 if current setting is b1

- b9, and to E1 if t1 - t9.

–

VALUE +/- keys

–

Increases or decreases

the setting by 1.

Skips to 10 if current setting is 1 - 9.

–

Skips to 10 if 1 - 9, to 20 if 10 - 19, etc.

–

VALUE +/- keys

–

Increases or decreases

the setting by 1.

VALUE +/- keys

–

Increases or decreases

the setting by 1.

Skips to c1 if current setting is

C1 - C9, to t1 if c1 - c9, etc.

–

VALUE +/- keys

–

Increases or decreases

the setting by 1.

Skips to S1 if current setting is

L1 - L9, to d1 if S1 - S9, etc.

–

VALUE +/- keys

–

Increases or decreases

the setting by 1.

Skips to c1 if current

setting is b1 - b9, to S1

if c1 - c9, etc.

–

VALUE +/- keys

–

Increases or decreases

the setting by 1.

Skips to 1 if current setting is

SC, to 10 if 1 - 9, to 20 if 10

- 19, etc.

–

VALUE +/- keys

HINT

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