Zoom 504 Operation Manual

Operation Manual

Thank you for selecting the ZOOM 504 (hereafter simply called the "504").

Please take the time to read this manual carefully so you can get the most out of your 504 and ensure optimum performance and reliability.

Retain this manual for future reference.

ZOOM CORPORATION

NOAH Bldg., 2-10-2, Miyanishi-cho, Fuchu-shi, Tokyo 183-0022, Japan

PHONE: 0423-69-7116 FAX: 0423-69-7115

Printed in Japan 504-5000

1	Major Features

•New type of compact multi-effect device designed for creating great acoustic guitar sound.

•Suitable for use with an acoustic guitar or an electric guitar. Use the dedicated effects for acoustic guitar, or make an electric guitar sound like an acoustic guitar with the built-in simulator.

•Unique AIR effect imitates the sound as picked up by a microphone. Reverb and chorus effects help to create a spacious feeling. Enjoy life-like, dynamic sound even during line recording.

•Feedback suppressor automatically detects and attenuates problem frequencies. This makes the 504 useful not only for line recording but also on stage.

•Two input jacks with different sensitivity allow optimum matching to any type of guitar, from acoustic guitars with magnetic pickups to electric guitars with humbucking type pickups.

•You can switch between 24 patches to store diverse settings based on your preference.

•Integrated auto-chromatic tuner for guitar. You can tune your instrument easily anywhere, any time. You can also leave the tuning function disabled all the time.

•Dual power supply design allows the unit to be powered from a 9V alkaline battery (6LR61) or an AC adapter.

2	Safety Precautions

USAGE AND SAFETY PRECAUTIONS

In this manual, symbols are used to highlight warnings and cautions for you to read so that accidents can be prevented. The meanings of these symbols are as follows:

This symbol indicates explanations about extremely dangerous issues. If users ignore this symbol and handle the device incorrectly, serious injury or death could

Warning result.

This symbol indicates explanations about dangerous issues. If users ignore this symbol and handle the device the wrong way, bodily injury and damage to the

Caution equipment could result.

Please observe the following safety tips and precautions to ensure hazard-free use of the 504.

Usage precautions

Electrical interference

For safety considerations, the 504 has been designed to provide maximum protection against the emission of electromagnetic radiation from inside the device, and from external interference.However, equipment that is very susceptible to interference or that emits powerful electromagnetic waves should not be placed near the 504, as the possibility of interference cannot be ruled out entirely.

Whatever the type of digital control device, the 504 included, electromagnetic damage can cause malfunctioning and corrupt or destroy data. Since this is an ever-present danger, thorough care should be taken to minimize the risk of damage.

About power

Warning Since power consumption of this unit is fairly high, we recommend the use of an AC adapter whenever possible. When powering the unit from a battery, use only an alkaline type.

AC adapter operation

•Be sure to use only an AC adapter which supplies 9 V DC, 300 mA and is equipped with a "center minus" plug (Zoom AD-0006). The use of an adapter other than the specified type may damage the unit and pose a safety hazard.

•Connect the AC adapter only to an AC outlet that supplies the rated voltage required by the adapter.

•When disconnecting the AC adapter from the AC outlet, always grasp the adapter itself and do not pull the cable.

•If the unit is not to be used for a long time, disconnect the AC adapter from the outlet.

Battery operation

•Use only a 9 V (alkaline) battery (6LR61).

•The 504 cannot be used for recharging.

Pay close attention to the labelling of the battery to make sure you choose the correct type.

•If the 504 is not to be used for an extended period of time, remove the battery from the unit.

•If battery leakage has occurred, wipe the battery compartment and the battery terminals carefully to remove all remnants of battery fluid.

•While using the unit, the battery compartment cover should be closed.

Cleaning

Use a soft, dry cloth to clean the 504. If necessary, slightly moisten the cloth. Do not use abrasive cleanser, wax, or solvents (such as paint thinner or cleaning alcohol), since these may dull the finish or damage the surface.

Connecting cables and input and output jacks

You should always turn off the power to the 504 and all other equipment before connecting or disconnecting any cables. Also make sure to disconnect all cables and the AC adapter before moving the 504.

Environment

Caution Avoid using your 504 in environments where it will be exposed to:

•Extreme temperature

•High humidity or moisture

•Excessive dust or sand

•Excessive vibration or shock

Handling

Caution • The 504 is a precision instrument. Except for the foot switches, do not push other parts with your feet or subject them to strong force.

•Take care that no foreign objects (coins or pins etc.) or liquids enter the unit.

•Be sure to turn the power to all equipment off before making connections.

•Before moving the unit, turn the power off and disconnect all cables and the AC adapter.

Alterations

Caution Never open the case of the 504 or attempt to modify the product in any way since this can result in damage to the unit.

7	Selecting Patches

A 1

Bank switching

Banks A, b, C, d, E, F are available

PATCH PATCH

DOWN

Patch switching

24 patches are available

The 24 patches can be easily selected by pressing the patch pedals. The right patch

pedal switches to the next patch and the

BANK UP

left patch pedal switches to the previous patch.

In the initial condition, the 504 is set up

A 1

so that the patch pedals select patches

continuously, but you can also set up the unit so that patches are switched only

within a certain bank of four patches. [For details, see section 9 Patch Switching

(Application: Bank Hold ON).]

BANK DOWN

Banks are selected with the VALUE +/- keys. Press the VALUE+ key to select the next bank, and the VALUEkey to select the previous bank.

For example, to switch from Patch 2, Bank A to Patch 3, Bank C, the patch pedal would have to be pressed nine times. Instead, you can press the VALUE+ key twice to switch to Bank C, and then press the patch pedal (UP) just once to select Patch 3.

Bank/patch switching when Bank Hold is off (initial setting)

A 1

BANK F

PATCH 1

PATCH 2

PATCH 3

PATCH 4

BANK E

PATCH 1

PATCH 2

PATCH 3

PATCH 4

BANK d

PATCH 1

PATCH 2

PATCH 3

PATCH 4

BANK C

PATCH 1

PATCH 2

PATCH 3

PATCH 4

BANK b

PATCH 1

PATCH 2

PATCH 3

PATCH 4

BANK A

PATCH 1

PATCH 2

PATCH 3

PATCH 4

8	Using the Bypass (Mute)/Tuner Mode

In the Bypass mode, the effects of the 504 are temporarily turned off, so that the original sound of the instrument only is heard. In this mode, the auto-chromatic tuning function is also active. It is also possible to activate muting, to prevent the tuning sound from being sent to the output.

Bypass and mute condition

A 1

Press both pedals together

Calibration

Select reference pitch for auto-chromatic guitar tuner (calibration).

* The reference pitch (A) can be adjusted in the rangefrom 435 to 445 Hz. When the BANK key is pressed in Bypass (Mute)/Tuner mode, this is shown as "35" to "45" on the display for a second. Adjust to the suitable value. At poweron, the setting is 440 Hz (40).

Bypass (Mute)/Tuner mode ON

Pressing both patch pedals simultaneously turns the Bypass (Mute)/Tuner mode on. To turn the mode off, simply press one of the two patch pedals.

Pressing both patch pedals simultaneously activates the Bypass or Mute mode.

• For bypass mode: Press and immediately release the patch pedals.

Currently selected

patch is indicated

Press Release immediately Tuner mode

Currently selected
patch is indicated	Press for 1 s or more	Release	Mute mode

• For mute mode: Press patch pedals for at least 1 second.

To cancel the bypass or mute condition, simply press one of the patch pedals. The unit then reverts to the previously selected patch.

Tuner mode

The 504 is initially set so that the auto-chromatic tuning function for the guitar activates automatically when the Bypass(Mute) mode is invoked. In Bypass(Mute) mode, pick an open

Input signal standby condition

Regular tuning

Do = C

Re# = D#

Fa# = F#

La = A

5th string

# w

Regular tuning

6th string

Regular tuning

Do# = C#

Mi = E

So = G

# w

La# = A#

1st string

3rd string

# w

Regular tuning

Fa = F

# w

So# = G#

Re = D

4th string

Si = B

2nd string

string to be tuned. The closest note will be shown on the display.

When the tuning function is active, the parameter cursor LEDs serve as tuning meter, designed to enhance tuning precision during fine adjustments.

Turning tuning function off

Pitch is too high Correctly tuned

Pitch is too low

If you do not want to activate the tuning function in

Bypass(Mute) mode, press the STORE and EDIT keys simultaneously for more than one second in Play mode. The tuning function will be turned off, and this setting will be stored even when the power is turned off. When you turn the function off, the display will show "tunEr oFF" (tuning function off).

To turn the tuning function on, press the same keys simultaneously again. The display will show "tunEr on" (tuning function on).

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