Boss EURUS GS-1 Using the GS-1 EDITOR

Using the GS-1 EDITOR

01© 2021 Roland Corporation

This manual explains how to connect the GS-1 unit
and GS-1 EDITOR app wirelessly via Bluetooth®,
and how to use GS-1 EDITOR.

Connecting the GS-1 to
GS-1 EDITOR

(Android)

1. Power-on the GS-1 unit and the mobile

device.

2. In your mobile device’s settings, turn

Bluetooth switch on.

NOTE

Even if the device list on the mobile device shows
“GS-1,” don’t tap it.

3. Press the GS-1’s [Bluetooth] button.

The unit enters pairing mode, and the Bluetooth
indicator blinks rapidly.

4. Launch the “GS-1 EDITOR” app that you

installed on your mobile device.

5. Tap [Bluetooth MIDI DEVICE] that

appears on the app you launched.

Set location data to “on.”

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* Note that the GS-1 EDITOR does not use

location data.

6. Tap “GS-1.”

On the mobile device screen, verify that “*” is
shown at the upper right of GS-1.

* If “GS-1” is not shown, tap “SCAN” at the very

bottom of the Bluetooth Devices screen to scan
again.

* If the Bluetooth indicator on the GS-1 is not

rapidly blinking, press the [Bluetooth] button
once more to make it do so.

7. Tap the back button on your mobile

device to return to the previous screen.

8. Verify that “GS-1” is shown for

“CONNECT” on the app.

9. Tap [OK] to start communication.

3

If You Can’t Connect (Android)

Check the following points.

Items to Check Cause/Action

Is the Bluetooth
indicator on the
GS-1 rapidly
blinking?

Is the unit
paired with
“GS-1”?

Is Bluetooth
working
properly?

Is location data
turned o?

If you checked the above points and took the
appropriate measures but you still cannot connect,
try the following.

The Bluetooth indicator is not
rapidly blinking

Bluetooth is not in standby mode on
the GS-1. Press the [Bluetooth] button
to make it rapidly blink.

When pairing, tap "GS-1" in
Bluetooth MIDI Device setting on the
app, instead of Bluetooth setting on
your mobile device. When you turn
the Bluetooth switch of your mobile
device on, “GS-1” might appear in the
devices list, but you should not tap it.
If you’ve accidentally tapped it, follow
the steps in “Quit all apps on your mobile
device, and retry pairing” (p. 6).

On your mobile device, turn Bluetooth
switch o and then on again.

Turn on the location data setting of
your mobile device.
As per the specications of Android
OS (Android 6.0 and later), you need
to turn location data on to enable
Bluetooth.

4

Items to Check Cause/Action

Try pairing
again

Following the steps in “Quit all apps on
your mobile device, and retry pairing”
(p. 6), quit all apps that are running
on your mobile device and try pairing
again.
Reset the GS-1 to its factory default
settings and try pairing again.

1. Turn the [MASTER VOLUME] and

[SYNTH CTL] knobs to the MIN
setting (counterclockwise all
the way), the [SYNTH MEMORY]
knob to the MAX setting
(clockwise all the way), and ip
the [MODE] switch to the SYNTH

Reset the
instrument to
factory default

setting.

* Make sure that nothing is

connected to the USB port.

2. While holding down the

[Bluetooth] button, insert the
plug into the OUTPUT jack.

* The instrument’s power turns on,

and the POWER indicator blinks
green.

3. Press the [Bluetooth] button

again.

The factory reset is executed.

Turn the power
o and on again

Follow the steps in “Turn the mobile
device and the GS-1 o and then on
again” (p. 8) to try pairing again.

If you’ve tried all of the above and still can’t
connect, contact your dealer or a Roland customer
service center.

5

Quit all apps on your mobile device,
and retry pairing

Quit all apps that are running on your mobile
device.

1. Tap the Android multitasking button

and swipe up on the app screen.

* The procedure for closing apps may dier

depending on your mobile device. Use the
method that’s appropriate for your device to
close the apps.

2. Tap the gear icon next to “GS-1” in

“Paired devices,” and tap “Unpair.”

GS-1

6

3. Turn the Bluetooth switch o.

* The procedure for unpairing described in step

2–3 may dier depending on your mobile
device.

4. Start pairing again by following the

steps in “Connecting the GS-1 to
GS-1 EDITOR (Android)” (p. 2).

7

Turn the mobile device and the GS-1
o and then on again

1. Turn o the mobile device and the

GS-1 unit.

2. Wait for about 10 seconds and turn the

power on again.

3. Start pairing again by following the

steps in “Connecting the GS-1 to
GS-1 EDITOR (Android)” (p. 2).

If you are still unable to connect with the app
even after taking these measures, please contact
the Roland customer service center.

8

Connecting the GS-1 and GS-1 EDITOR (iOS)

1. Power-on the GS-1 unit and the mobile

device.

2. In your mobile device’s settings, turn

Bluetooth switch on.

NOTE

Even if the devices list on the mobile device
shows “GS-1,” don’t tap it.

3. Press the GS-1’s [Bluetooth] button.

The Bluetooth indicator rapidly blinks, and the
instrument enters pairing mode.

4. Launch the “GS-1 EDITOR” app that you

installed on your mobile device.

5. Tap [Bluetooth MIDI DEVICE] that

appears on the app you launched.

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6. Tap “GS-1.”

The GS-1 in the list on the app displays as
“Connected.”

* If the Bluetooth indicator on the GS-1 is not

rapidly blinking, press the [Bluetooth] button
once more to make it do so.

7. If “Bluetooth Pairing Request” appears,

tap “Pair.”

8. Tap “ÍBack” to return to the previous

screen.

9. Verify that “GS-1” is shown for

“CONNECT” on the app.

10. Tap [OK] to start communication.

10

If You Can’t Connect (iOS)

Check the following points.

Items to Check Cause/Action

Is the Bluetooth
indicator on the
GS-1 rapidly
blinking?

Is the unit
paired with
“GS-1”?

Is Bluetooth
working
properly?

If you checked the above points and took the
appropriate measures but you still cannot connect,
try the following.

The Bluetooth indicator is not
rapidly blinking

Bluetooth is not in standby mode on
the GS-1. Press the [Bluetooth] button
to make it rapidly blink.
When pairing, tap "GS-1" in
Bluetooth MIDI Device setting on the
app, instead of Bluetooth setting on
your mobile device. When you turn the
Bluetooth switch of your mobile device
on, “GS-1” might appear in the devices
list, but you should not tap it.
If you’ve accidentally tapped it, follow
the steps in “Quit all apps on your
mobile device, and retry pairing”
(p. 13).

On your mobile device, turn Bluetooth
switch o and then on again.

11

Following the steps in “Quit all apps on

Pair again
Pairing

your mobile device, and retry pairing”
(p. 13), quit all apps that are running
on your mobile device and try pairing
again.
Reset the GS-1 to its factory default
settings and try pairing again.

1. Turn the [MASTER VOLUME] and

[SYNTH CTL] knobs to the MIN
setting (counterclockwise all
the way), the [SYNTH MEMORY]
knob to the MAX setting
(clockwise all the way), and ip
the [MODE] switch to the SYNTH

Reset to factory
default

setting.

* Make sure that nothing is connected

to the USB port.

2. While holding down the

[Bluetooth] button, insert the
plug into the OUTPUT jack.

* The instrument’s power turns on,

and the POWER indicator blinks
green.

3. Press the [Bluetooth] button

again.

The factory reset is executed.

Turn the power
o and on again

Follow the steps in “Turn the mobile
device and the GS-1 o and then on
again” (p. 14) to try pairing again.

If you’ve tried all of the above and still can’t
connect, contact your dealer or a Roland customer
service center.

12

Quit all apps on your mobile device,
and retry pairing

Quit all apps that are running on your mobile
device.

1. Double-click the home button, and

swipe up on the app screen.

* If you’re using the iPhone X, iPhone 11 or

iPhone 12, the procedure for closing an app is
dierent. Use the method that’s appropriate for
your device to close the apps.

2. With the Bluetooth indicator on

the GS-1 lit up blue, hold down the
[Bluetooth] button to make the
indicator blink blue.

3. Turn the Bluetooth switch o.

The procedure for step 2–3 results in unpairing.

4. Start pairing again by following the

steps in “Connecting the GS-1 and
GS-1 EDITOR (iOS)” (p. 9).

13

Turn the mobile device and the GS-1
o and then on again

1. Turn o the mobile device and the GS-1.

2. Wait for about 10 seconds and turn the

power on again.

3. Start pairing again by following the

steps in “Connecting the GS-1 and
GS-1 EDITOR (iOS)” (p. 9).

If you are still unable to connect with the app even
after taking these measures, please contact the
Roland customer service center.

14

Using GS-1 EDITOR

To edit values

Slide up or down to edit a
parameter.
Long-press to enter a
numeric value or choose
from a list.

EDITOR Screen

You can edit the tones of the GS-1 using your
mobile device.

15

Editor Basic Screen

The currently selected synth memory is shown here.
You can switch between memories by operating the
SYNTH MEMORY knob on the GS-1.

You can save the
settings on the
GS-1 that you’ve
edited.

Switches to the
CTL FUNCTION
settings screen.

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Parameter

TYPE

VARIATION

TONE

RESONANCE*

PITCH*

DEPTH

DIRECT LEVEL

SYNTH LEVEL

Value Explanation

Use this knob to switch between
dierent synth sound types.

LEAD

PAD

STRING Synth strings sounds.

BELL

ORGAN Organ sounds.

BASS Bass synth sounds.

DUAL Fat sounds.

HOLD

This selects variations for the type that
is selected.

0–100

0–100

-24–0–+24

0–100

0–100

0–100

Suitable for playing
solos or leads.
Soft sounds used as
sonic ll-ins.

Sounds with metallic
resonance.

This sound is suitable
for when you’re using
CTL FUNCTION: HOLD.

These knobs adjust
the sound of the eect
that’s selected by TYPE
and VARIATION.

Adjusts the volume of
the direct sound.
Adjusts the volume of
the synth sound.

* RESONANCE or PITCH is shown depend on the

combination of TYPE and VARIATION.

17

CTL FUNCTION Screen

The function assigned to the SYNTH CTL knob is shown
here. Tap this to show the function list, where you can
switch between functions.

Tap here to go
to the detailed
screens.

The functions
that can be
used when
the EV-1-WL
(sold separately)
is connected
are shown here.
Tap this to show
the function list,
where you can
switch between
functions.

18

SYNTH CTL, EXP (OFF), EXP (ON)

Parameter

FUNCTION

Value Explanation

These parameters are for selecting the
functions for the [SYNTH CTL] knob and
the EV-1-WL pedal (sold separately).*

* You can set dierent functions for

when the EXP SW is OFF (the LED on
the EV-1-WL is dark) and ON (the LED
on the EV-1-WL is lit).

OFF No function is controlled.

TONE TONE is assigned.

RESONANCE RESONANCE is assigned.

PITCH PITCH is assigned.

DEPTH DEPTH is assigned.

SYNTH LEVEL SYNTH LEVEL is assigned.

DIRECT LEVEL DIRECT LEVEL is assigned.

The settings for TONE,
RESONANCE/PITCH,
DEPTH, SYNTH LEVEL
and DIRECT LEVEL can be

MULTI

controlled at the same
time.

* RESONANCE/PITCH

changes depending
on the TYPE and
VARIATION.

19

Parameter

MIN

MAX

Value Explanation

0–100

-24–0–+24
(PITCH)

0–100

-24–+24
(PITCH)

Sets the minimum (MIN)
value.

Sets the maximum (MAX)
value.

20

EXP SW, CTL1, CTL2

Parameter

FUNCTION

PARAMETER 1

PARAMETER 2

SW MODE

Value Explanation

These parameters select the function
for the EXP SW, CTL1 and CTL2 on the
EV-1-WL (sold separately).

OFF

HOLD

PITCH

-24–0–+24
(PITCH)

0–100 (PITCH)

TOGGLE

MOMENT

No function is
controlled.
This makes the sound
you play sustain.
Applies a pitch-bend
eect.
Sets how much the
pitch changes in
semitones.
Adjusts the time
over which the pitch
changes.
The eect changes
each time you press
the switch.
Switches the eect
only while the switch
is pressed.

21

Saving an Edited Eect in the
GS-1 (WRITE)

1. Tap the [WRITE] button, enter a name

and tap the [WRITE] button again.

* When the data is saved, it overwrites the

memory on the GS-1. The previous settings
cannot be recovered.

22

LIBRARIAN Screen

This screen lets you back up the memories stored
on the GS-1.

LIVESET LIST

Tap the [LIBRARIAN] button; the liveset list appears.
You can create up to 120 livesets.

Creates a new liveset.

Show the number of
user memories in the
liveset.

Imports a liveset.

Exports the liveset.

Copies/deletes the liveset.

Tap to edit the name of the
liveset.

Tap to show the user
memory list in that liveset.

23

You can long-press
and drag the liveset to
change its order.

24

USER MEMORY LIST

You can store up to 150 user memories in a liveset.

Copies/deletes user
memories.

Tap to edit the name of a
user memory.

Tap to switch the
parameters to those of
the user memory you
tapped, letting you
preview it.

You can long-press and drag
the user memory to change
its order.

25

Importing All GS-1 User Memories into the

LIBRARIAN (IMPORT FROM GS-1)

Here’s how you can import all of the GS-1’s user
memories into LIBRARIAN.

1. Tap the [LIBRARIAN] button.

2. In the upper part of

the screen, tap the
button.

3. Tap “GS-1,” and then

tap the [NEXT] button.

4. Tap “ALL BACKUP,” and

then tap the [NEXT]
button.

* The “ALL BACKUP” setting

saves all user memories as
a liveset.

* “SELECT MEMORY

(FROM TO)” saves the user
memories between “FROM” and “TO” as a liveset.

* “SELECT MEMORY” saves only the specied user

memory as a liveset.

26

* To import a small number of user memories into

LIBRARIAN, use “SELECT MEMORY (FROM TO)” or
“SELECT MEMORY.”

Creating a new liveset

5. Tap “CREATE LIVESET,”

enter a name in
LIVESET NAME, and tap
the [IMPORT] button.

Adding to an existing liveset

5. Tap “SELECT LIVESET,” select the liveset

to which you want to add, and tap the
[IMPORT] button.

27

Exporting a LIBRARIAN Liveset to the GS-1

(EXPORT TO GS-1)

Here’s how to export a saved liveset to a user
memory on the GS-1.

* You can set 150 user memories in a liveset, but

only six user memories can be exported back to
the GS-1.

1. Tap the [LIBRARIAN] button.

2. In the upper part of

the screen, tap the
button.

3. Tap “GS-1,” and then

tap the [NEXT] button.

4. Select the liveset that

you want to export.

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5. In the liveset area, tap “ALL MEMORY,”

then tap the [NEXT] button.

* “ALL MEMORY” exports all

user memories in a liveset
to the GS-1.

* “SELECT MEMORY

(FROM TO)” exports the user
memories between “FROM”
and “TO” to the GS-1.

* “SELECT MEMORY” exports

the specied user memory
back to the GS-1.

6. Select the user memory at which you

want to start overwriting the data on
the GS-1, and tap the [EXPORT] button.

* If you’re exporting many

user memories to the GS-1,
it may take a while. To
export a small number of
user memories to the GS-1,
use “SELECT MEMORY (FROM TO)” or “SELECT
MEMORY.”

29

Exporting a Liveset from LIBRARIAN to the Mobile

Device

(EXPORT TO FILE)

Here’s how a liveset from LIBRARIAN can be
converted into a liveset le and exported to the
mobile device.

1. Tap the [LIBRARIAN] button.

2. In the upper part of

the screen, tap the
button.

3. Tap “FILE,” and then

tap the [NEXT] button.

4. Select the liveset that you want to

export, and tap the [EXPORT] button.

5. The data is exported to the mobile

device.

30

Importing a File from the Mobile Device into

LIBRARIAN (IMPORT FROM FILE)

Here’s how a liveset le previously exported to the
mobile device can be imported into LIBRARIAN.

1. Tap the [LIBRARIAN] button.

2. In the upper part of the

screen, tap the
button.

3. Tap “FILE,” and then tap

the [NEXT] button.

4. Select a liveset le that was exported to

the mobile device.

31

Exporting a Liveset from LIBRARIAN to a Cloud

Service (EXPORT TO CLOUD)

Here’s how a liveset from LIBRARIAN can be
converted to a liveset le and exported to a cloud
service.

1. Tap the [LIBRARIAN] button.

2. In the upper part of the

screen, tap the
button.

3. Tap “CLOUD,” and then

tap the [NEXT] button.

4. Select the liveset that you want to save

to a cloud service, and tap the [EXPORT]
button.

5. The Cloud screen appears, allowing you

to export the le.

Choose iCloud Drive for an iOS device, or Google
Drive for an Android device.

32

In some cases, your mobile device might
show more than one cloud service. This
app only supports operation using iCloud
Drive on iOS devices and Google Drive on
Android devices.

33

Importing a File from a Cloud Service into

LIBRARIAN (IMPORT FROM CLOUD)

Here’s how a liveset le previously exported to a
cloud service can be imported into LIBRARIAN.

1. Tap the [LIBRARIAN] button.

2. In the upper part of the

screen, tap the
button.

3. Tap “CLOUD,” and then

tap the [NEXT] button.

4. Select a liveset le that was saved in the

cloud.

34

SYSTEM

HARDWARE SETTING

EV-1-WL SETTING

These settings are for the control change
messages received by the GS-1 from the EV-1-WL
(sold separately).

Parameter

EXP (OFF) CC#
EXP (ON) CC#
EXP1 SW CC#
CTL1 CC#
CTL2 CC

Value Explanation

Set these parameters so that the
GS-1 can identify the control change
messages sent from EV-1-WL
(sold separately).

* If the settings for the EV-1-WL

(sold separately) have been edited,
these settings also need to be
changed.

OFF

CC#1–CC#31,
CC#64–CC#95

Control change
messages are not
received.
The message is
received using the
specied controller
number.

35

EXP HOLD

Parameter

SYNTH CTL HOLD
EXP HOLD

Value Explanation

When switching memories,
the data that results from
operating the SYNTH CTL

OFF

knob or EXP (EV-1-WL)
FUNCTION is set to the value
saved in memory.
When switching memories,
the data that results from
operating the SYNTH CTL
knob or EXP (EV-1-WL)

ON

FUNCTION is set to a value
that reects the current
position of the knob or
pedal.

INPUT/OUTPUT SETTING

Parameter

INPUT NOISE
FILTER

Value Explanation

Use this parameter to control the noise
and hum guitar pickup catches from
eecting the synthesizer sound.

OFF The function turns o.

Adjust its value according to
the volume of noise.

1–5

Increase the value when the
noise is loud. Decrease the
value when the noise is quiet.

36

These settings specify the device connected to the
SYNTH OUT jack.

Parameter

SYNTH OUT SELECT

Value Explanation

Use this setting when
connecting to monitor

LINE

speakers, a mixer, a digital
recorder or similar equipment.
Use this setting when
connecting to a guitar amp

AMP

or to the guitar input of an
eect unit.

Bluetooth SETTING

Here you can edit the Bluetooth connection
settings.

OWNER'S MANUAL

Here you can view the owner’s manual for the GS-1
unit or pages of this manual.

* Your mobile device must be connected to the

Internet.

VERSION

Here you can view version information for the
GS-1, as well as software version and license
information for GS-1 EDITOR.

37