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Zoom GFX-8

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Operation Manual

CONTENTS

Safety and Usage Precautions 2 Introduction 3 Naming of Parts 4
Top Panel 4 Rear Panel 4 Terms Used in This Manual 5
Getting Connected 6
Connection Example (1) Connection Example (2) Connection Example (3)
Preparations 7
Power Up 7 Setting up the Amp Simulator 7
Quick Guide (Trying Out the Unit) 8 Listening to Patches (Play Mode Operation) 10
Panel Indication in Play Mode Selecting a Patch Using the Easy Edit Function Using the Bypass (Mute)/Tuner Function Adjusting the Reference Pitch of the Tuner Switching Modules On and Off During Play (Manual Mode) 13 13
Changing the Sound of a Patch (Edit Mode)
Basic Edit Mode Steps Edit Mode Shortcut (1) Edit Mode Shortcut (2) Creating Custom Distortion Storing Custom Module Settings
Storing and Copying Patches (Store Mode Operation) 18 Effects and Parameters 19
DRIVE Module ZNR/EQ (Zoom Noise Reduction/Equalizer) Module MOD (Modulation) Module DLY/REV (Delay/Reverb) module SFX Effects TOTAL Module 27 29
Using RTM Using the CONTROL Switch Using the Jam Play Feature Using the Sampler MIDI Usage Examples
Basic MIDI Send/Receive Settings Switching GFX-8 Patches From an External Unit Controlling External Devices in Conjunction With GFX-8 Patch Switching Remote Control Using GFX-8 Bulk Dump Bulk Load Supplied Software

Other Functions

All Initialize/Factory Recall Trying Out the Factory Default Patches (Self Introduction Function) Adjusting the Expression Pedal Disabling the Bypass/Mute Function
Troubleshooting 42 GFX-8 Specifications 42 MIDI Implimentation Chart 43
Safety and Usage 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 matters. If users ignore this symbol and handle the device the wrong way, serious injury or death could result. This symbol indicates explanations about dangerous matters. If users ignore this symbol and handle the device the wrong way, bodily injury and damage to the equipment could result.

Usage Precautions

Electrical interference
For safety considerations, the GFX-8 has been designed to provide maximum protection against the emission of electromagnetic radiation from inside the device, and protection from external interference. However, equipment that is very susceptible to interference or that emits powerful electromagnetic waves should not be placed near the GFX-8, as the possibility of interference cannot be ruled out entirely. With any type of digital control device, the GFX-8 included, electromagnetic interference can cause malfunctioning and can corrupt or destroy data. Care should be taken to minimize the risk of damage.

Warning

Caution

Cleaning

Please observe the following safety tips and precautions to ensure hazard-free use of the GFX-8. Use a soft, dry cloth to clean the GFX-8. 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.

Power requirements

The GFX-8 is powered by the supplied AC adapter. Warning To prevent malfunction and safety hazards, Do not use any other kind of AC adapter. When using the GFX-8 in an area with a different line voltage, please consult your local ZOOM distributor about acquiring a proper AC adapter. Please keep this manual in a convenient place for future reference.

Environment

Avoid using your GFX-8 in environments where it will be

Caution exposed to:

Extreme temperature High humidity or moisture Excessive dust or sand Excessive vibration or shock

Handling

Since the GFX-8 is a precision electronic device, avoid Caution applying excessive force to the switches and buttons. Also take care not to drop the unit, and do not subject it to shock or excessive pressure.

Alterations

Never open the case of the GFX-8 or attempt to modify the Caution product in any way since this can result in damage to the unit.
Connecting cables and input and output jacks
You should always turn off the power to the GFX-8 and all Caution other equipment before connecting or disconnecting any cables. Also make sure to disconnect all cables and the AC adapter before moving the GFX-8.

ZOOM GFX-8

Introduction
Thank you for selecting the ZOOM GFX-8 (hereafter simply called the "GFX-8 "). The GFX-8 is a sophisticated digital effect processor with the following features and functions:
Versatile array of effects
The Variable Architecture Modeling System (VAMS) adapts the internal configuration of the unit to achieve exactly the desired pattern. The GFX-8 provides 69 effects ranging from the sound of famous guitar amplifiers and other vintage devices to ultra-modern processing functions. Up to nine effects can be freely combined for simultaneous use. Modulation effects and delay/reverb effects allow up to two types of custom settings to be stored in memory. Any desired setting can be called up quickly and easily.
Supplied editing software
The GFX-8 is supplied with a CD-ROM containing software that lets you manage and edit patch libraries on a computer (Windows 95/98 or Macintosh). The software also provides access to a user custom area for detailed adjustments that are not possible on the main unit.

* When using the GFX-8 in this way, it is recommended to activate the built-in amp simulator (see page 7).

POWER AMP.INPUT

Guitar INPUT
Connection Example (3) CD player/MD player connection
A component with stereo line level output such as a CD player or MD player can be connected to the AUX IN jack, using a stereo Y cable. The signal supplied to this jack is not processed by the effects of the GFX-8 and is sent directly to the OUTPUT jacks. This allows you for example to listen to a CD while practicing a guitar phrase. * Using the sampler function of the GFX-8, it is also possible to record the signal supplied to the AUX IN jack (see page 34). * When using hi-fi equipment (mixer, audio system or similar) instead of a guitar amplifier, activating the built-in amp simulator (see page 7) is recommended.
CD player Playback system AUX R IN OUTPUT L/MONO

Preparations

This section explains the steps you should take before playing sound through the GFX-8.

Power Up

Verify that the AC adapter, instrument, and amplifier/playback system are correctly connected to the GFX-8.
Before making any connections, be sure to turn power to all components off. Also, you should turn the volume on the amplifier or playback system to minimum, and set the OUTPUT LEVEL knob on the rear panel of the GFX-8 to the 12 o'clock position.
Turn the system on in the order GFX-8

amplifier.

While playing your instrument, adjust the volume control on the amplifier, the level control of the instrument, and the OUTPUT LEVEL knob of the GFX-8 to a suitable position.
Setting up the Amp Simulator
The GFX-8 incorporates an amp simulator that can duplicate the electrical characteristics and cabinet sound of various guitar amplifiers. Before starting to use the GFX- 8, we recommend that you set up the amp simulator so that it matches the connection type of the playback system or guitar amplifier. This will assure that you get optimum results from the GFX-8.

Other useful functions

For information on using the amp simulator, see p. 7. For information on using the built-in tuner, see p. 12. For information on record/playback of phrases (sampler), see p. 34. For information on special playback of recorded phrases (jam play), see p. 32.
For more information on storing patches, see p. 18.
Listening to Patches (Play Mode Operation)
Selecting and playing patches stored in the memory of the GFX-8 is called "play mode". The GFX-8 is always in this mode immediately after being turned on. This section describes how to use the functions available in this mode.
Panel Indication in Play Mode
In play mode, the following information is shown on the panel.
(2) Group (U, u, A, b, C, d) U and u are user groups, A - d are preset groups. (1) Patch name (3) Bank number (0 - 9)
(4) When a dot (.) is shown here, the user group/preset group patches can be selected continuously.
(6) Lights up in red if the EQ module in the patch is ON.
(5) The foot switch LED of the currently selected patch lights up.
(7) When the LED is red, the effect is from group A, and when it is green, it is from group B. When the LED is out, the effect is off.

Selecting a Patch

To switch patches in play mode, press a foot switch 1 - 4 whose LED is not lit.
In play mode, foot switches 1 - 4 serve to select a patch from the same group/bank. The LED of the currently selected foot switch is lit. flashes). It is switched only after you press one of the foot switches 1 - 4 (the flashing of the GROUP/BANK indicator stops).
To select a patch from a different group/bank, press the BANK UP or DOWN foot switch to switch the group/patch, and then use the foot switches 1 - 4 to select the new patch.
For example, when the BANK UP foot switch is pressed repeatedly, the group/bank number changes as follows.

User group

If desired, you can limit the action of the BANK UP/DOWN foot switches to select only user group banks, or only preset group banks. To do this, press the GROUP key. With each push of this key, the selectable groups are cycled as follows.

To return to the play mode, press the BANK DOWN foot switch once more.
The condition where you can change the parameters that make up a patch to create your own sound is called "edit mode". This section describes how to use edit mode.

Basic Edit Mode Steps

The basic steps that are normally taken in edit mode are explained here. Besides these, the edit mode also provides a short cut to quickly edit a specific parameter (see page 16).
In play mode, select the patch you want to edit.
The patch can be from a user group or preset group. However, because patches in the preset groups are read-only, after you have edited a patch, you can only select a user group patch as store target.

ZNR/EQ EDIT key

Selects the EQ module or ZNR. With each push of the key, the color of the flashing LED changes, and the edit target changes as follows. Flashing red Flashing green Flashing orange EQ module page 1 EQ module page 2 ZNR

Press the EDIT key.

The EDIT key LED lights up, and the GFX-8 enters the edit mode.

MIDI key

DRIVE, MOD, DLY/REV key
Select the DRIVE, MOD, or DLY/REV module respectively.
In edit mode, the following information is shown on the panel. Currently selected parameter value
Make MIDI settings (see page 35).

TOTAL key

Serves to set the patch name and patch level (overall output level of the patch) and other parameters applying to the entire patch, as well as global parameters that apply to all patches. With each push of the key, the color of the flashing LED changes, and the edit target changes as follows. Flashing red Flashing green Flashing orange Set patch name and patch level. Set RTM and CONTROL switch functions (see page 30). Make amp simulator (global parameter) settings.
Currently selected parameter name The keys and foot switch LEDs of modules that are ON in the current patch are lit. The key of the module selected for editing flashes.
When edit mode was activated immediately after switching patches, the TOTAL key flashes. When edit mode was activated after easy edit, the key of the edited module flashes.

[DRIVE/MOD/DLY/REV key] Switches the respective module (DRIVE, MOD, DLY/REV) ON and OFF and switches the group for selectable effects. With each push of the key, the unit cycles through the following three states. Key out or slowly flashing red Respective module is OFF. Key lit/flashing red Module is ON and effect from group A (upper labels) is selected. Key lit/flashing green Module is ON and effect from group B (lower labels) is selected.
When the effect is switched, the name of the new effect is shown on the display for about 2 seconds.

Edit Mode Shortcut (2)

Using PARM knobs 1 - 4, the main parameters of each module can be quickly edited.
Use the DRIVE, MOD, DLY/REV, ZNR/EQ EDIT, or TOTAL key to select the module you want to edit.
The selected key starts to flash.
For example, when the effect OVER DRV of the DRIVE module is selected, the PARM knobs 1 - 4 control the following parameters. PARM knobs 1 - 4
Use the PARM knobs 1 - 4 to edit the parameter selected in step 1.
In edit mode, the main parameters (parameter 1 - 4) of the currently selected module are assigned to PARM knobs 1 - 4.

PRE GAIN TONE

Creating Custom Distortion
The effect numbers 11A and 11B of the DRIVE module are reserved for custom distortion effects created by the user. For custom distortion, in addition to the regular effect parameters (PARM1 - PARM8), there are four more parameters (PARM9 PARM12) which allow control over the distortion character and other characteristics.
[Normal distortion effects]
PARM 1 PARM 2 PARM 3 PARM 4 PARM 1 PARM 2 PARM 3 PARM 4 PARM 1 PARM 2 PARM 3 PARM 4 PARM 1 PARM 2 PARM 3 PARM 4 GAIN PRE GAIN TONE LEVEL PARM 5 GAIN 6 PRE GAIN TONE LEVEL PARM PARM 7 PARM 8 PARM 5 GAIN 6 PRE GAIN TONE LEVEL PARM PARM 7 PARM 8 PARM 5 GAIN 6 PRE GAIN TONE LEVEL PARM PARM 7 PARM 8
PARM 5 PARM 6 PARM 7 PARM 8 RTM SETTING RTM SETTING FDR CLN RTM SETTING FOR CLEAN RTM SETTING

[Custom distortion]

PARM 1 PARM 2 PARM 3 PARM 4 PARM 1 PARM 2 PARM 3 PARM 4 GAIN PRE GAIN TONE LEVEL GAIN PRE GAIN TONE LEVEL

PARM 5 PARM 6 PARM 7 PARM 8 RTM SETTING
PARM 5 PARM 6 PARM 7 PARM 8

CUSTOM 1

PARM 9 PARM 10 PARM 11 PARM 12 > CHAR < > HIGH < > MID < > LOW <

RTM SETTING

FOR CLEAN FOR CLEAN

CUSTOM 2

PARM 9 PARM 10 PARM 11 PARM 12
> CHAR < > HIGH < > MID < > LOW <
Distortion character High-range character Mid-range character Low-range character
Once you have set these parameters and stored the result as a patch, you can use it as a new distortion effect in other patches.
Activate edit mode. Select CUSTOM1 (11A) or CUSTOM2 (11B) of the DRIVE module.
Verify that the DRIVE module is ON.
Use the PARM VALUE knob to adjust the value.
Parameters 9 - 12 are special parameters for custom distortion, allowing setting characteristics separately for each frequency band.
Call up parameters 1 - 8 and make the desired settings.
To make optimum use of custom distortion parameters, we recommend to set parameters 1 - 4 as follows.
Call up parameters 10 - 12 in the same way with the PARM SELECT knob, and use the PARM VALUE knob to adjust the value. When you have created a custom distortion effect, store the patch.
That parameters 9 - 12 are global parameters that affect all patches. For example, when parameters 9 - 12 of custom distortion 1 in a patch were adjusted, and the patch was stored, the changes will affect all patches using custom distortion 1 (effect type 11A).

PARM1 PARM2 PARM3 PARM4

GAIN PRE GAIN TONE LEVEL

1 - 30 (as desired) 25

Press the GROUP/CUSTOM SET key once.
This calls up parameter 9. The name of the parameter (">CHAR<") appears on the display, and the GROUP/BANK indicator shows the current value. Parameter 9 can also be called up with the PARM SELECT knob. This is convenient to switch between any parameter from 1 - 12.
Storing Custom Module Settings
The settings for the MOD module and DLY/REV module can be stored as custom settings. Stored custom settings can be called up at any time in edit mode, for use with new patches or existing patches.
The operation steps are different than for creating custom distortion in the DRIVE module. When the respective module is OFF, custom module settings cannot be stored.
Activate edit mode. Press the MOD key or DLY/REV key to select the module for which you want to store custom settings.
Press the GROUP/CUSTOM SET key and select C1 (custom setting 1) or C2 (custom setting 2). To store the custom settings you have made, press the STORE key.

See TYPE 1A (CHORUS). Sets the delay time according to the interval in which the CONTROL switch is operated.

TIMETRIP

This is an innovative delay effect which varies the delay time depending on picking intensity.
Parameter 1 Parameter 2 Parameter 5 Parameter 8 Parameter 3 Parameter 4 Parameter 5
SENS SHIFT FEEDBACK TRIP BAL

1 - 50 dn, UP -10 - - 50

BPM DLY
This delay effect allows setting the delay time in BPM units.

40 - 250

Adjusts the BPM value (number of quarter note beats per minute, a unit for tempo). When the PARM 1 knob is moved, the value changes in steps of 5. For fine adjustment, use the PARM VALUE knob.
So (SOUND ON SOUND) In this mode, the sampled sound is played back over the current sound. While the CONTROL switch is kept depressed, guitar play sound is added to the playback sound. The delay time set with parameter 1 + 2 determines the duration of the repeat interval. * The sampled data are retained until the module is set to OFF or the unit is set to the bypass condition.

INTERVAL

t1 - t9

HOLD MIX

Adjusts the note that determines the delay sound timing, using the BPM tempo setting as reference. t1 = Two full notes t3 = quarter note t5 = half triplet note t7 = dotted sixteenth note t9 = sixteenth note t2 = dotted quarter note t4 = dotted eighth note t6 = eighth note t8 = quarter triplet note 0 - - 50
See TYPE 1A (CHORUS). Serves to start and stop the sampling process and to start playback.
Parameter 3 Parameter 4 Parameter 5

FEEDBACK BPM MIX

TRM+CHO

TRM DPT

This is a combination of tremolo and chorus.
Adjusts the tremolo effect depth.

TRM RATE

Adjusts the tremolo effect modulation rate.

CHO RATE

HOLD DLY
Adjusts the chorus effect modulation rate.
This is a hold delay effect which can sample and playback a phrase of up to 6 seconds in length.

CHO MIX

Adjusts the chorus sound mix ratio.
See TYPE 1A (CHORUS). 0 - 99 Switches the tremolo on and off. tr, Gt, So
Selects the hold mode. tr (TRIGGER) Sampling starts when the CONTROL switch is pressed. When the CONTROL switch is pressed once more, sampling stops and playback starts. If the CONTROL switch is not pressed twice, sampling automatically stops after the delay time has elapsed. Pressing the CONTROL switch once more stops playback.

Adjusts the modulation rate. Adjusts the effect mix ratio. Adjusts the balance between effect sound and original sound. Higher values result in more pronounced effect sound. Adjusts the amount of feedback. Adjusts the effect operation direction. "dn" means downward change, and "UP" upward change.
Parameter 2 Parameter 3 Parameter 4 Parameter 4 Parameter 5

DLY FB

Adjusts the amount of delay feedback.

DLY MIX

Adjusts the delay sound mix ratio.

HALL MIX ROOM MIX

0 - 50 (when 2A is selected) 0 - 50 (when 2B is selected)
Adjusts the reverb sound mix ratio.
* TYPE 1A and 1B have the same parameters.
See TYPE 1A (REV HALL). Sets the delay time according to the interval in which the CONTROL switch is operated.
REV HALL REV ROOM TYPE 3A PP DLY
This is a reverb effect simulating concert hall reverb.
This is a reverb effect simulating room reverb.
Adjusts the reverb duration (reverb time).

PRE DLY

This is a ping-pong type delay where the sound is alternately panned right and left. The delay time of 1 millisecond to 6 seconds.
Adjusts the predelay time from the onset of the original sound until the start of reverb.
Parameter 3 Parameter 4 Parameter 4 Parameter 5

FEEDBACK PPD MIX

Adjusts the tone of the effect sound.
HALL MIX ROOM MIX RTM MAX
0 - 50 (when 1A is selected)
0 - 50 (when 1B is selected)

SEAMLESS

This is an effect where the delay sound continues to be heard for up to 3 seconds after the patch is switched. * To use the seamless effect, the seamless delay must be selected at the newly called up patch.

1 - 99, 1.0 - 3.0

Selects the controller to use for RTM. Available settings are "oF" (off), "Pd" (expression pedal), MIDI control change 1 - 5, 8 - 31. If the effect is ON and the CONTROL switch is operated, the effect will be bypassed while the switch is pushed.
Sets the delay time. In the range from 1 - 99, the formula is 10 ms x setting value = delay time. In the range from 1.0 - 6.0 (for 3B SEAMLESS, the maximum is 3.0), the formula is 1000 ms x setting value = delay time. When the PARM 1 knob is moved, the value changes in steps of 5. For fine adjustment, use the PARM VALUE knob.

SEAMTIME

1 - 99, 1.0, Hd
Adjusts the duration for which the delay sound is heard after the patch was switched (100 ms x setting value = remain duration). The setting "Hd" means that the delay sound remains for the time set for that patch.

JAM PLAY
See TYPE 1A (REV HALL). LED lit: STCH MIX parameter is at maximum. LED out: STCH MIX parameter is at the value stored for that patch.
This function lets you record a guitar phrase during a performance and play it back in various ways. For details, see the section "Using Jam Play" on page 32.

nM, rS, SC

Selects the playback method of the recorded phrase.
nM (Normal) Playback in normal direction. rS (Reverse) Performs playback in the reverse direction. SC (Scratch) The playback direction changes according to the movement of the expression pedal. Pushing the expression pedal from about the center position down causes normal playback, and moving the pedal in the opposite direction causes reverse playback.

TRG/GATE

tS, tL, GS, GL, rS
Selects the playback mode for foot switch 2. tS (Trigger one-shot) Pressing foot switch 2 causes one-time playback from the beginning, according to the setting of parameter 1. Pressing foot switch 2 during playback stops play. tL (Trigger loop) Pressing foot switch 2 causes loop playback from the beginning, according to the setting of parameter 1. Pressing foot switch 2 during playback stops play.
GS (Gate one-shot) While foot switch 2 is depressed, the unit performs one-time playback from the beginning, according to the setting of parameter 1. Releasing foot switch 2 during playback stops play. GL (Gate loop) While foot switch 2 is depressed, the unit performs loop playback from the beginning, according to the setting of parameter 1. Releasing foot switch 2 during playback stops play. rS (Retrigger one-shot) Pressing foot switch 2 causes one-time playback from the beginning, according to the setting of parameter 1. Pressing foot switch 2 during playback restarts play.
NOTE: The JAM PLAY effect does not have an RTM parameter. Switches the jam play function on and off.

SFX Effects

If one of the SFX effects below is set to ON in the DLY/REV module, the MOD module becomes inactive.
Indicates a parameter that can be controlled by RTM( see page 30). [CONTROL SW] indicates an item that can be operated with the CONTROL switch (see page 31).
Indicates a parameter that can be controlled with the PARM VALUE knob during easy edit (see page 11).
Common Parameters of SFX Effects

PRE DLY xx MIX SENS

SPEED Parameter value 1.50 25
Playback pitch Original pitch
1 semitone down 7 semitones down
1 octave down 2 octaves down
Adjusts the predelay time. Adjusts the effect mix ratio. Adjusts the picking detection sensitivity for wah and the trigger sensitivity.

When the STYLE parameter was set to "nM" (Normal) or "rS" (Reverse), use the PARM knob 2 to select the TRIG/GT parameter (trigger/gate mode).
rS (retrigger one-shot) tS (trigger one-shot)
Pressing the foot switch during playback restarts play. Pressing the foot switch causes one-time playback from the beginning.
Pressing the foot switch (foot switch 2) causes one- time playback from the beginning.
When the STYLE parameter is set to "SC", this parameter has no effect.
When the JAM PLAY effect is selected for the DLY/REV module, the expression pedal and CONTROL switch are automatically assigned to the jam play feature.
To stop recording halfway, press the (foot switch 2).

foot switch

Store the patch and return to play mode.
In play mode, when a patch is selected where jam play can be used, the DLY/REV key flashes.
Recording stops, and playback starts according to the selected settings. When the foot switch was not operated, recording stops automatically after 12 seconds have elapsed, and playback starts according to the selected settings.
To activate jam play, push the expression pedal fully down in play mode, or press the CONTROL switch in manual mode.
The GFX-8 enters the jam play mode and goes into the recording standby condition. The display shows "STOP", and "JP" flashes on the GROUP/BANK indicator.
Use the foot switch (foot switch 2) and expression pedal to control playback/stop of the recorded phrase.
When "SC" was selected as STYLE parameter, the expression pedal can be used for scratch playback. If "nM" or "rS" was selected as STYLE parameter, the expression pedal can be used to control the jam play volume. To record a new phrase, repeat steps 7 - 9.
While playing your instrument, press the REC foot switch (foot switch 3).
The indication "RECORDING" scrolls on the display and recording starts. For jam play, the recording source signal is always the processed effect signal. When "nM" or "rS" is selected as STYLE parameter, the expression pedal can be used to adjust the input signal level.
10. To terminate jam play, press the expression pedal
once more fully down, press the EDIT key, or press the CONTROL switch.

This is a send-only parameter. The internal parameter setting of the GFX-8 is not affected also when the GFX-8 receives this control number.
07 DRIVE (DRIVE module on/off receive control number) Setting values: OF, 64 - MOD (MOD module on/off receive control number) Setting values: OF, 64 - 95
switch is operated at the GFX-8.
3. When the setting is complete, press the EDIT key to return to play mode.
When panel keys or switches are operated in this condition, the respective control change is output from the MIDI OUT connector. When a control change message is received from external equipment, the respective item changes. The values that can be received for the various items are listed below.
Example: Control number 70 is assigned to DRIVE module on/off When the DRIVE module is switched on or off at the GFX-8 itself, the MIDI OUT connector supplies the following control change information: control number = 70, value = 127/0. When the control change information "control number = 70, value = 127/0" is supplied to the GFX-8 MIDI IN connector, the DRIVE module is switched OFF. When the control change information "control number = 70, value = 64 - 127" is supplied, the DRIVE module is switched ON.
While the jam play function or sampler function is activated, external MIDI control is not possible.

Allowable values

-0 - 63=OFF/64 - 127=ON 0 - 63=OFF/64 - 127=ON -------
Allowable values EXPP DRIVE/MOD DLY/REV/EQ BYPAS/MUTE CTSW (For tap input) CTSW (when using push = ON function) CTSW (when using push = ON/OFF toggle function)
0 - 127 Continuously variable 0=OFF/127=ON 0=OFF/127=ON When pushed: 127 = ON value output Immediately after: 0 = OFF value output When pushed: 127 = ON value output When released: 0 = OFF value output When pushed and LED lights: 127 = ON value output When pushed and LED goes out: O = OFF value output

Bulk Dump

Patch information and program change map information stored in the GFX-8 can be output in bulk via the MIDI link. This function is called "bulk dump". You can use this function for example to store GFX-8 information on a MIDI sequencer or to exchange settings between two GFX-8 units.
Connect the MIDI OUT connector of the GFX-8 to the MIDI IN connector of the external MIDI device (other GFX- 8, MIDI sequencer, etc.). Set the GFX-8 to play mode and turn the PARM SELECT knob until the GROUP/BANK indicator shows "15". Use the PARM VALUE knob to select the data type to use for the bulk dump operation.

This section contains information about special functions such as how to return the GFX-8 to the factory default condition and how to readjust the expression pedal.
All Initialize/Factory Recall
The All Initialize/Factory Recall function is a special function that lets you reset the GFX-8 to the condition in which it was originally shipped. When All Initialize is performed, all settings of the unit including all user group patches are returned to the default condition. Factory Recall can be used to reset only specific user group patches group to the default settings.
Turn power to the GFX-8 on while keeping the STORE key depressed.
The display shows "ALL-INIT". To perform All Initialize Continue with the next step. To perform Factory Recall Use the BANK UP/DOWN foot switch and foot switches 1 - 4 to select the patch (from a user group) that you want to return to the factory default condition.
Press the STORE key once more
All Initialize or Factory Recall is carried out. If All Initialize was carried out, the unit automatically returns to the play mode. Note that when All Initialize is executed, the contents of all patches stored by the user will be overwritten (erased). When wishing to cancel All Initialize/Factory Recall, press the EDIT/CANCEL key before step 2.
Trying Out the Factory Default Patches (Self Introduction Function)
The GFX-8 also incorporates a so-called self introduction function that automatically switches patches to demonstrate the capabilities of the unit.
To activate the function, hold down the TOTAL key while turning on power to the unit.
The GFX-8 starts to automatically cycle through the factorydefault patches.
The indication "SELF INTRODUCTION" and the currently selected patch name are scrolled on the display. You can play your guitar while checking out the various patches.
To stop the self introduction function, press the EDIT/CANCEL key.
Adjusting the Expression Pedal
The expression pedal of the GFX-8 uses a highly reliable optical sensor mechanism. The pedal is adjusted for optimum operation at the factory, but it can be readjusted as follows If required.

doc1

Display Power requirements Dimensions Weight
* 0 dBm = 0.775 Vrms * Design and specifications subject to change without notice.

Italiano 170

MIDI Implimentation Chart
[ GUITAR EFFECT PROCESSOR ] Date : 28.SEP.1999 Model GFX-8 MIDI Implementation Chart Version :1.00 +---------------------+--------------------+--------------------+---------------------+ | | Transmitted | Recognized | Remarks | | Function. | | | | +---------------------+--------------------+--------------------+---------------------+ |Basic Default | 1-16 | 1-16 | Memorized | |Channel Changed | 1-16 | 1-16 | | +---------------------+--------------------+--------------------+---------------------+ | Default | 3 | 3 | | |Mode Messages | x | x | | | Altered | ****************** | | | +---------------------+--------------------+--------------------+---------------------+ |Note | x | x | | |Number | True voice | ****************** | | | +---------------------+--------------------+--------------------+---------------------+ |Velocity Note ON | x | x | | | Note OFF | x | x | | +---------------------+--------------------+--------------------+---------------------+ |After Key's | x | x | | |Touch Ch's | x | x | | +---------------------+--------------------+--------------------+---------------------+ |Pitch Bend | x | x | | +---------------------+--------------------+--------------------+---------------------+ | | o | o | | | | 0,32 | 0,32 | Bank select | |Control | | 7 | Volume | | | 1-5,7-31 (*1) | 1-5,8-31 | RTM control | |Change | 64-95 (*1) | 64-95 | Effect module on/off| | | 64-95 | 64-95 | Signal mute | | | 64-95 | 64-95 | All bypass | | | 1-5,7-31 | | Pedal control | | | 64-95 | | CONTROL switch | +---------------------+--------------------+--------------------+---------------------+ |Prog | o (0-79) | o (0-127) | Internally mappable | |Change | True # | ****************** | U0.1-u9.4,A0.1-d9.4| Total 240 programs | +---------------------+--------------------+--------------------+---------------------+ |System Exclusive | o | o | | +---------------------+--------------------+--------------------+---------------------+ |System | Song Pos | x | x | | | | Song Sel | x | x | | |Common | Tune | x | x | | +---------------------+--------------------+--------------------+---------------------+ |System | Clock | x | x | | |Real Time | Commands | x | x | | +---------------------+--------------------+--------------------+---------------------+ |Aux | Local ON/OFF | x | x | | | | All Notes OFF| x | x | | |Mes- | Active Sense | x | x | | |sages | Reset | x | x | | +---------------------+--------------------+--------------------+---------------------+ |Notes | | (*1) Transmits the patch default value when program changes. | | | | | +-------------------------------------------------------------------------------------+ Mode 1 : OMNI ON, POLY Mode 2 : OMNI ON, MONO o : Yes Mode 3 : OMNI OFF, POLY Mode 4 : OMNI OFF, MONO x : No

 

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