Primova GX-2 User manual

Reference Manual

Version 0.0

2021-01-20

TABLE OF CONTENTS

Table of Contents

Table of Contents ......................................................................................................................................... 2

Getting Ready ............................................................................................................................................... 3

Connecting the Equipment ....................................................................................................................... 3

Operating the device ................................................................................................................................ 4

Setting up the system for switching between two guitars....................................................................... 5

Menus (SYSTEM/PATCH) .......................................................................................................................... 6

How to edit menu parameters ................................................................................................................. 6

How to exit the settings menu ................................................................................................................. 6

Basic SYSTEM Menu settings .................................................................................................................... 7

Setting up Assigns ......................................................................................................................................... 9

GK Control Assigns .................................................................................................................................... 9

CTRL1 and CTRL 2 Assigns ...................................................................................................................... 11

ASSIGN1 – ASSIGN8 ................................................................................................................................ 13

MIDI ............................................................................................................................................................ 15

Patch settings menu ................................................................................................................................... 17

GENERAL PATCH SETTINGS .................................................................................................................... 17

SUSTAINER EFFECT ................................................................................................................................. 18

SLOW GEAR EFFECT ................................................................................................................................ 19

MODULATION EFFFECT (1 and 2) ........................................................................................................... 20

MODULATION Touch Control ............................................................................................................. 22

ARPEGGIATOR EFFFECT (1 and 2) ........................................................................................................... 23

ARPEGGIATOR Touch Control ............................................................................................................. 25

GK DIVIDER EFFFECT ............................................................................................................................... 26

Theory of operation.................................................................................................................................... 27

Technical data ............................................................................................................................................ 28

GETTING READY

Getting Ready

Connecting the Equipment

Never connect or disconnect while power is ON

GUITAR INPUTS

IN1

vided pickup

GUITAR OR

BASS *

IN2

Divided pickup

GUITAR OR

BASS *

IN3

Normal

Electric Guitar or Bass

* NEVER CONNECT TO 13-PIN SYNTH INPUT

MAY CAUSE PERMANENT DAMAGE!

SYNTH OUTPUTS

GKA

Pin GUITAR SYNTH

GKB

Pin GUITAR SYNTH

EXTERNAL

CONTROLS

OPTIONAL

CTRL1

ROLAND EV

5 Expression Pedal or

FS-5U/FS-6/FS-7 Dual Footswitch

CTRL2

ROLAND EV

5 Expression Pedal or

FS-5U/FS-6/FS-7Dual Footswitch

MODE/POLARITY Switch

MIDI

OPTIONAL

MIDI CLOCK

Device

MIDI

Controller

OUT1

Guit

ar Synth (1) MIDI IN

OUT2

Guitar Synth (2) MIDI IN

USB

OPTIONAL

USB

Connect to a PC using a Mini USB

2.0 cable

NOTE: Only connect to PC while

programming the device using a

dedicated software. A PC USB

connection may induce ground

loops/noise.

POWE

9VDC

Connect to a noise free 9V DC

Power supply >=500mA, 2.1mm,

Center pin negative.

Recommended:

Boss PSA or NUX ACD-006A

NOTE: Cheap “bulk” power supplies

may induce noise or even damage

your equipment.

MIDI SYNC

MIDI (SysEx)

SY-1000, GR-55, VG/VB-99 or GP-10*

*MIDX

20 requir

ed for GKSET control via MIDI

1/4” STD 2 x GK(13-pin)

Operating the device

GK MODE

FOOT SWITCHES GKA STATE PATCH NUMBER PATCH NAME GKB STATE

D C

BPM DEPTH EFFECT STATE

PATCH MODE

A B

PATCH NUMBER BPM DEPTH EFFECT STATE

MODE CHANGE

B+C

Switch between

GK MODE

and

PATCH MODE

GK MODE

GKA

SYNTH

OUTPUT

ON/OFF

GKB

SYNTH

OUTPUT

ON/OFF

A+B

TOGGLE GKA AND GKB ON/OFF

PATCH MODE

PATCH DOWN (Previous Patch)

PATCH UP (Next Patch)

COMMON COMMANDS

PATCH

EFFECTS

ON/OFF

TAP TEMP

If you press TAP TEMPO only once, all effects using BPM will START a new phrase or

sequence. To set a new BPM you will have to TAP at least three times before the BPM

will change. If you TAP more than three times the aggregated average of all TAPS will be

used.

TAP TEMPO does not work if connected to a MIDI CLOCK source.

HOLD C

SETUP MODE

HOLD D

INPUT SELECT

A+S1/S2

S1/S2

buttons

to GKA

only

as long as

A is pressed.

B+S1/S2

S1/S2

buttons

GKB only

as long

as B is pressed

C+S1/S2

S1/S2

buttons

change

patch in GX

, as long as C is pressed.

The LED indicators show selected guitar, enabled synth outputs and BPM rate.

GETTING READY

Setting up the system for switching between two guitars

Each guitar is a unique individual with certain characteristics. This is why most guitar synths using a

divided pickup need to be calibrated using the synth GK SETTINGS. In some cases with two similar

guitars the main characteristics are the same but still the volume will differ if the distances between

each string and the divided pickup are different.

Simplified configuration

In the simplified configuration you do NOT connect MIDI cables between GX-2 and the synths and both

guitars will share the same synth GK SETTING.

Use the following steps to compensate for variation in string volumes between two guitars:

1. Keep all string volumes at 100 (DEFAULT) for the divided pickup connected to IN1.

2. Program the GK SETTINGS in your synth(s) so it works perfectly with this guitar.

3. Adjust the GX-2 string volumes for the divided pickup connected to IN2 so they correspond to

the same levels as with the guitar connected to IN1. Here you need to watch the synth volume

meters while the GX-2 string volumes are adjusted.

4. Now switch between the two guitars a number of times and verify the functionality of both

guitars. If necessary do further adjustments. If you are not satisfied with the ending result, you

may instead need to use the advanced configuration.

Advanced configuration

In the advanced configuration the synths will alternate between two different GK SETTINGS as you

switch guitar. This is achieved by GX-2 sending out SYSEX commands to reprogram the synth(s).

Use the following steps to setup the advanced configuration:

1. Keep all string volumes at 100 (DEFAULT) for the divided pickup connected to IN1

2. Keep all string volumes at 100 (DEFAULT) for the divided pickup connected to IN2

3. Select the guitar connected to IN1

4. Setup the GK SETTINGS #1 in synth A to perfect operation with this guitar (IN1)

5. Setup the GK SETTINGS #1 in synth B to perfect operation with this guitar (IN1)

6. Select guitar connected to IN2

7. Setup the GK SETTINGS #2 in synth A to perfect operation with this guitar (IN2)

8. Setup the GK SETTINGS #2 in synth B to perfect operation with this guitar (IN2)

9. Connect a MIDI cable between GX-2 OUT1 to MIDI IN of synth A

10. Connect a MIDI cable between GX-2 OUT2 to MIDI IN of synth B

11. Now when switching between the two guitars the synths should alternate between GK SET #1

(for IN1) and GK SET #2 (for IN2). If this is not working, make sure the system setting “GKSel

SysEx” is turned ON.

GETTING READY

Menus (SYSTEM/PATCH)

To get into the settings menu (SYSTEM or PATCH) hold down foot switch “D” for a couple of seconds. To

reach the SYSTEM menu you must be in GK MODE. To reach the PATCH settings you must be in PATCH

MODE.

ACTUAL

MODE

GK MODE

SYSTEM

SETTINGS

PATCH MODE

ACTUAL PATCH SETTINGS MENU

(

Patch

99)

How to edit menu parameters

Start parameter editing by pressing the “C” switch. In editing mode the parameter will appear

surrounded by brackets “[…]“. To exit parameter editing, HOLD down C for a couple of seconds (or

simply press C unless the parameters is a string or a target).

PARAMETER

TYPE

EXAMPLE

COMMAND

EXIT WITH

–

Menu Down

B – Menu Up

HOLD C

(

or C

)

NUMBER

–

Decrease

B – Increase

HOLD C

(

or C

)

CHARACTER

STRING

Character strings are

used for patch

names.

–

Flashing cursor left

B – Flashing cursor right

C – Next character

D – Previous character

HOLD C

TARGET

The “target”

parameter defines

which outputs and

signals the effect will

modify.

–

Flashing cursor left

B – Flashing cursor right

C – Turn target ON/OFF

D – Turn target ON/OFF

Note: ‘_’ indicates target is OFF

Targets: [A] GKA [B] GKB

[1]-[6] GK String 1 to 6

[G] Guitar pickup

HOLD C

How to exit the settings menu

To exit the menu, hold down “D” for a couple of seconds and this menu will appear:

SYSTEM SETTINGS MENU:

Set this parameter to NO if you wish to leave the SYSTEM settings without

modification.

PATCH SETTINGS MENU:

Set this parameter to NO if you wish to leave the patch settings without

modification. Scroll using “A” / “B” to get to the next option.

Use this option to write your patch data to another patch.

Use this option to reset the patch. All parameters will be set to default value

and the patch name will be named “Init Patch”.

GETTING READY

Basic SYSTEM Menu settings

SYS:BackLight

Intensity:[ ]

100

Set the display backlight sensitivity

SYS:Guitars

[ ]

GK,1xSTD

Two GK guitars and one

NORMAL (DEFAULT)

1xGK,1xSTD

One GK Guitar and one NORMAL

2xGK(GK1+IN3)

Two GK guitars where GK1 guitar normal pickup is obtained from IN3.

This setting allow you to use the Two-Cable method (2CM), using a GK cable for

divided pickup combined with a separate regular guitar cable for normal pickup.

2xGK(GK2+IN3)

Two GK guitars where GK2 guitar normal pickup is obtained from IN3.

This setting allow you to use the Two-Cable method (2CM), using a GK cable for

divided pickup combined with a separate regular guitar cable for normal pickup.

IN1:GK Pickup

Orient:[ ]

NORMAL

The GK pickup is at normal position (DEFAULT)

REVERSED

The GK pickup is mounted upside

down.

String 1

6 s

ignals will be flipped

by the

device. As the device is reversing the up-side down mounting, the synth unit should

always be setup for NORMAL orientation.

IN1:GK String 1 (*)

Volume [ ]

400

Volume of string 1

(DEFAULT 100)

Example: 100 means gain=1.0, 400=means gain=4.0 (signal amplified four times)

(*) This setting is repeated for all strings 1-6

IN1:GTR Pickup

Volume

400

Volume of NORMAL guitar pickup (DEFAULT 100)

Example: 100 means gain=1.0, 400=means gain=4.0 (signal amplified four times)

Some effects like the SUSTAINER and the SLOW GEAR need to sense how you play the

strings. Since guitar type and mounting will affect the signal volumes you will have to

calibrate the GX-2 for each individual guitar used. This calibration procedure is

handled by the following settings.

GETTING READY

IN1:Sense Str 1 (*)

Sensitiv.[ ]

Sets the internal volume

for measuring how

hard

the string is played. Range 0

(DEFAULT 32)

While editing, play the string and visually watch the horizontal meter. Calibrate all

strings to a similar level and feel using normal playing force. The peak level should

not go much higher than area #3.

#1 #2 #3

(*) This setting is repeated for all strings 1-6

IN1:Sense GTR

Sensitiv.[ ]

Sets the in

ternal volume

for measuring how the NORMAL pickup is played on input

IN1. Range 0-63 (DEFAULT 25)

While editing, play the strings and visually watch the horizontal meter. The peak

level should not go much higher than area #3.

#1 #2 #3

GKA:Master VOL

Volume: [ ]

100

Set

the

MASTER

volume of GKA output

(DEFAULT

100

)

GKB:Master VOL

Volume: [ ]

100

Set

the

MASTER

volume of GKB output (DEFA

ULT 100)

NOTE: All settings related to IN2 will appear after the IN1 settings.

The options for IN2 is identical to IN1.

IN3 Sensitivity for NORMAL GTR will appear after IN2 settings.

SETTING UP ASSIGNS

Setting up Assigns

GK Control Assigns

Roland GK-3 divided pickup controller. Godin xtSA

S2 S1

GK VOL GK VOL

S1/S2

These following settings will appear in both the SYSTEM and the PATCH settings. The

PATCH settings (locally to one patch) have higher priority than SYSTEM settings. If a

parameter is not used in the PATCH setting, the SYSTEM setting will be used.

Table 1

GKVOL: Assign

to: [ ]

OFF

No function (

PATCH

DEFAULT

)

GKA VOL

GK VOL will only affect GKA

GKB VOL

GK VOL will only affect GKB

GKAB VOL

GK VOL will affect both GKA and GKB (SYSTEM

DEFAULT

)

FX DEPTH

The Patch Total Effect Depth will be affected by knob position.

FX BPM

The Patch Modulation/Arpeggiation B

PM Speed will be affected by knob

position.

GKVOL: Assign

Target Min:[ ]

100

Sets the value when GKVOL knob is in lowest position (DEFAULT 0)

GKVOL: Assign

Target Max:[ ]

100

Sets the value when GKVOL knob is in highest position (DEFAULT 10

SETTING UP ASSIGNS

Table 2

Table 3

* This setting only applies to some of the targets.

GK S1: Assign

to:[ ]

OFF

No function (PATCH DEFAULT)

GKA S1

Only GKA S1 will be affected

GKA S2

Only GKA S2 will be affected

GKB S1

Only GKB S1 will be affected

GKB S2

Only GKB S2 will be affected

GKAB S1

Both GKA and GKB S1 w

ill be affected (SYSTEM DEFAULT)

GKAB S2

Both GKA and GKB S2 will be affected

PATCH NEXT

Next Patch

PATCH

Previous Patch

INPUT SEL

Advance to next guitar input

TAP TEMPO

Sets the BPM by tapping

GK BOTH

Forces both GKA and GKB to go silent/not si

lent

GK A/B

Alternate silence between GKA and GKB

KA EN

Mute GKA

Additional Mode setting:

MOMENTARY

REV MOMEN

TOGGLING

REV TOGGL

GBK EN

Mute GKB

GKAB EN

Mute both GKA and GKB

PATCH EN

Enable/disable all patch effects

ARPS EN

Enable /disable used

ARPS effects

MODS EN

Enable /disable used MODULATION effects

DIVIDER EN

Enable /disable DIVIDER effect

SLOW G. EN

Enable /disable SLOW GEAR effect

SUSTAIN EN

Enable /disable SUSTAINER effect

GK S1 Assign (*)

Mode:[ ]

MOMENTARY

he target is only activated while the button is pressed down

REV MOMEN

The target is only activated while the button is released

TOGGLING

The target is will toggle ON/OFF

REV TOGGL

The target is will toggle ON/OFF in reverse

GK S2 Assign

to: [ ]

Same options

as GK S1

(table 2)

SYSTEM DEFAULT

= “GKAB S2”

PATCH DEFAULT = “NONE”

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