Onerr Introgen Chorus NC-1 User manual

User Guide
Guide de l'Utilisateur
Manual do Usuário
EFFECTS
NITROGEN CHORUS NC-1

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ENGLISH
Product Overwiew
Thank you for choosing an Onerr product.
The Nitrogen Chorus NC-1 electronically creates a mild
variation in the tuning of the instrument. You can mix it
with an original sound, which produces deep, subtle
tones. The NC-1 is also great for clean tones and when
you interact the delay, it provides keyboard-like tones.

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Panel Descriptions
AC adaptor jack
Led indicator on/off
Rate knob
Output jack (S)
Output jack (M)
Pedal switch
Thumbscrew
Input jack
Depth knob
Intensity knob

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AC adaptor jack: Accepts connection of an external
AC adaptor. By using an AC adaptor you can play with-
out being concerned about the battery life.
Input jack: Connect your instrument cord or the output
of another effect pedal if you are linking pedals together.
Output jack (S): This output jacks will deliver the
effected sound to your amplifiers, or to an input jack of
another effect.In case of using a single amplifier, use
this ouput as default.
Output jack (M): This output jacks will deliver the
effected sound to your amplifiers, or to an input jack of
another effect. By using two amplifiers, this output will
give you a stereo effect.
Pedal: Depress to turn on/off the pedal.
Thumbscrew: By loosing this thumbscrew you will gain
access to the battery compartment. For instructions on
how to replace the battery please refer to page 6.
Rate: Gives you control of the speed of Chorus effect.
Depth: Gives you control of the depth of Chorus effect,
or how much we "detune" the original note.
Intensity: Determine how much Chorus effect will be
delivered to your amplifier. Turn it from left to right to
increase this amount.
Pedal Descriptions

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Powering
You can use a 9 volt alkaline battery (not included) or
AC adaptor to power your pedal.
When using a battery, alkaline is suggested.
To install a battery, simply turn the thumbscrew to the
left, gaining access to the battery compartment.
Connect the snap cord to the battery, observing the proper
polarity.
When the pedal is not in use ONERR highly suggests
removing the battery from its compartment to prevent
possibility of leaking and damage to this unit.
Battery
compartment
Thumbscrew

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Warning:
The input jack also serves as a power switch. Power is turned on when an instrument plug is inserted into the input jack
and is it turned off when disconnected. When this unit is not in use you should disconnect any cord connected to the
input jack.
Warning:
When using an AC adaptor is sure to use a compatible
model for your unit, otherwise irreparable damage may be
caused.
Optional Onerr AC adaptor: Onerr PA-21 or PA-23.
Power supply specifications:
Output voltage: 9 VDC
Current capacity: 100 mA (minimum)
Output plug: 2.1 x 5.5 mm (negative center)
AC input jack

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Onerr AC adaptor PA-21 / PA-23
In case of using a single output use the (S) as default.
Keyboard
Guitar
Bass
Amplifier (B)
Amplifier (A)
Making the Connections

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Notes:
Using this pedal safely
-Only use reliable cords to connect your pedals. This is to be sure you won´t get troubles while playing.
-Before powering your pedals, make all necessary linking connections. In case of you need to change any connection,
do not forget to turn the power off in order to not cause any damage to your units.
-Only use regulated adapators in order to have best performance.
-Do not worry if you accidentally change the input to output cord. This will not damage your unit. Just turn the power
off and reconnect it correctly.
Warning or caution:
Instructions alerting the user to possible risks and/or injuries if the produc is used improperly.
Forbidden actions:
Used to advise those actions that can't be carried out.

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Before using this product be sure to read
and check all instructions of this Owner's
manual.
Other than the battery compartment,
do not open this product in any way.
This will void the warranty and may cause
damage to the unit if manipulated by
non-authorized people.
Do not use or store this product in places
that are:
-dusty;
-humid or damp;
-subject to very high (such as sunlight
or near heating equipment) or very low
temperatures;
-subject to rain.
Use only reliable AC adaptors with proper
line voltage. Non-reliable AC adaptors
with different polarity or voltage may
cause damage or malfunction and void
the warranty.
Do not allow any kind of object or liquid to
penetrate this product. This may cause
irreparable damages.
Turn the power off and remove the AC adaptor
from the outlet if any of the following conditions
occur:
-the AC adaptor cord has been cut or
damaged;
-this unit has been exposed to rain or some
liquid has penetrated the unit;
-this product does not appear to operate
normally or presents some change in per
formance.

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Microtronix Eletrônica Ltda warrants this unit to be free from defects in materials and workmanship for a period
of 1 (one) year from date of first purchase.
This warranty does not include any kind of damage resulting from accidents, misuse, abusie, alteration to the
internal circuitry or vital parts and damages caused by non-reliable AC adaptors.
If in any way this unit becomes defective within the warranty period, Microtronix Eletrônica Ltda will elect to repair
or replace it free of charge.
After the warranty period, Microtronix Eletrônica Ltda will repair this unit for a fee.
This warranty is extended for residents of Brazil. Please call main office for return authorization number. Microtronix
will not accept packages without prior authorization, pre-paid freight, and proper insurance.
Please call or e-mail the international distributor for warranty information.
Warranty

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Specifications*
Power supply: DC 9 V alkaline or AC adaptor (Onerr model PA-21 or PA-23)
Current draw: 16 mA
Controls: Rate, Depth and Intensity
Switch: turn on/off effect.
Indicators: indicator on/off led
Jacks: input, output (S), output (M) and AC adaptor
Input impedance: 300 kOhm (minimum)
Output impedance: 200 Ohm (maximum)
Dimentions: 130 mm (D) x 74 mm (W) x 61 mm (H)
Weight: 1 lb 7 oz (640g)
*The above specifications are subjetc to change without prior notice.
Manufactured in Brazil by
Microtronix Eletrônica Ltda.
Printed in Brazil – 28000935
www.onerr.com