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SAFETY INSTRUCTIONS 

NOTICE FOR CUSTOMERS IF YOUR UNIT IS EQUIPPED 
WITH A POWER CORD.

WARNING: THIS APPLIANCE MUST BE EARTHED.

The cores in the mains lead are coloured in accordance with 
the following code:

GREEN and YELLOW - Earth        BLUE - Neutral        BROWN - Live

As colours of the cores in the mains lead of this appliance may 
not correspond with the coloured markings identifying the 
terminals in your plug, proceed as follows:

s4HE CORE WHICH IS COLOURED GREEN AND YELLOW MUST BE

connected to the terminal in the plug marked with the 

LETTER%ORWITHTHEEARTHSYMBOLORCOLOUREDGREENOR

green and yellow.

s4HE CORE WHICH IS COLOURED BLUE MUST BE CONNECTED TO

THETERMINALMARKED.ORCOLOUREDBLACK

s4HECOREWHICHISCOLOUREDBROWNMUSTBECONNECTEDTO

the terminal marked L or coloured red.

 
This equipment may require the use of a different line cord, 

ATTACHMENT PLUG OR BOTH DEPENDING ON THE AVAILABLE POWER

SOURCE AT INSTALLATION  )F THE ATTACHMENT PLUG NEEDS TO BE

changed, refer servicing to qualified service personnel who 

SHOULDREFERTOTHETABLEBELOW4HEGREENYELLOWWIRESHALLBE

connected directly to the units chassis. 

LIVE

E

NEUTRAL

EARTH GND

CONDUCTOR

L

N

BROWN

BLUE

GREEN/YEL

BLACK

Normal

Alt

WIRE COLOR

WHITE

GREEN

WARNING: If the ground is defeated, certain fault conditions 
in the unit or in the system to which it is connected can result 

IN FULL LINE VOLTAGE BETWEEN CHASSIS AND EARTH GROUND  3EVERE

injury or death can then result if the chassis and earth ground 
are touched simultaneously.

CAUTION

ATTENTION:

 

RISQUE DE CHOC ELECTRIQUE - NE PAS OUVRIR

WARNING:

 

T O  R E D U C E  T H E  R I S K  O F  F I R E  O R  E L E C T R I C

S H O C K  D O  N O T  E X P O S E  T H I S  E Q U I P M E N T  T O  R A I N  O R  M O I S T U R E

RISK OF ELECTRIC SHOCK

DO NOT OPEN

4HE SYMBOLS SHOWN ABOVE ARE INTERNATIONALLY
ACCEPTED SYMBOLS THAT WARN OF POTENTIAL HAZARDS

with electrical products.  The lightning flash with 
arrowpoint in an equilateral triangle means that 
there are dangerous voltages present within the 
unit.  The exclamation point in an equilateral tri-
angle indicates that it is necessary for the user to 
refer to the owner’s manual.

4HESE SYMBOLS WARN THAT THERE ARE NO USER SER

-

VICEABLE PARTS INSIDE THE UNIT  $O NOT OPEN THE

unit.  Do not attempt to service the unit yourself.  
Refer all servicing to qualified personnel.  Opening 
the chassis for any reason will void the manufac-
turer’s warranty.  Do not get the unit wet.  If liquid 
is spilled on the unit, shut it off immediately and 
take it to a dealer for service.  Disconnect the unit 
during storms to prevent damage.

IMPORTANT SAFETY INSTRUCTIONS

WARNING FOR YOUR PROTECTION

READ THE FOLLOWING:

KEEP THESE INSTRUCTIONS

HEED ALL WARNINGS

FOLLOW ALL INSTRUCTIONS

THE APPARATUS SHALL NOT BE EXPOSED TO DRIPPING OR SPLASH-
ING LIQUID AND NO OBJECT FILLED WITH LIQUID, SUCH AS VASES, 
SHALL BE PLACED ON THE APPARATUS

CLEAN ONLY WITH A DRY CLOTH.

DO NOT BLOCK ANY OF THE VENTILATION OPENINGS. INSTALL IN 
ACCORDANCE WITH THE MANUFACTURER’S INSTRUCTIONS.

DO NOT INSTALL NEAR ANY HEAT SOURCES SUCH AS RADIATORS, 
HEAT REGISTERS, STOVES, OR OTHER APPARATUS (INCLUDING 
AMPLIFIERS) THAT PRODUCE HEAT.

ONLY USE ATTACHMENTS/ACCESSORIES SPECIFIED BY THE 
MANUFACTURER.

UNPLUG THIS APPARATUS DURING LIGHTNING STORMS OR WHEN 
UNUSED FOR LONG PERIODS OF TIME.

Do not defeat the safety purpose of the polarized or grounding-type plug.  
A polarized plug has two blades with one wider than the other. A ground-
ing type plug has two blades and a third grounding prong. The wide blade 
or third prong are provided for your safety. If the provided plug does not fit 
your outlet, consult an electrician for replacement of the obsolete outlet.

Protect the power cord from being walked on or pinched particularly 
at plugs, convenience receptacles, and the point where they exit from 
the apparatus.

Use only with the cart stand, tripod bracket, or table specified by the 
manufacture, or sold with the apparatus. When a cart is used, use cau-
tion when moving the cart/apparatus combination to avoid injury from 
tip-over.  

Refer all servicing to qualified service personnel. Servicing is required 
when the apparatus has been damaged in any way, such as power-
supply cord or plug is damaged, liquid has been spilled or objects have 
fallen into the apparatus, the apparatus has been exposed to rain or 
moisture, does not operate normally, or has been dropped.

POWER ON/OFF SWITCH: 

If the equipment has a Power switch, the 

Power switch used in this piece of equipment DOES NOT break the 
connection from the mains.

MAINS DISCONNECT: 

The plug shall remain readily operable. For rack-

mount or installation where plug is not accessible, an all-pole mains 
switch with a contact separation of at least 3 mm in each pole shall be 
incorporated into the electrical installation of the rack or building.

FOR UNITS EQUIPPED WITH EXTERNALLY ACCESSIBLE FUSE 
RECEPTACLE: 

Replace fuse with same type and rating only.

MULTIPLE-INPUT VOLTAGE: 

This equipment may require the use of a 

different line cord, attachment plug, or both, depending on the available 
power source at installation. Connect this equipment only to the power 
source indicated on the equipment rear panel. To reduce the risk of fire or 
electric shock, refer servicing to qualified service personnel or equivalent.

If connected to 240V supply, a suitable CSA/UL certified power cord 
shall be used for this supply.

Summary of Contents for 131s Graphic EQ

Page 1: ...User Manual 2 Series Graphic Equalizers 131s 215s 231s Professional Audio Equipment...

Page 2: ...NG FOR YOUR PROTECTION READ THE FOLLOWING KEEP THESE INSTRUCTIONS HEED ALL WARNINGS FOLLOW ALL INSTRUCTIONS THE APPARATUS SHALL NOT BE EXPOSED TO DRIPPING OR SPLASH ING LIQUID AND NO OBJECT FILLED WIT...

Page 3: ...E MAY BE SUF FIXED BY THE 5 Product option None conforms to the following Product Specifications 3AFETY MD EMC 0ART Supplementary Information The product herewith complies with the requirements of the...

Page 4: ...s and operation procedures For further technical assistance or service please contact our Technical Support Department at 801 568 7660 or visit www dbxpro com If you need to return a product to the fa...

Page 5: ...t provided the product is returned to dbx WITH RETURN AUTHORIZATION from the factory where all parts and labor will be covered up to a period of two years A Return Authorization number must first be o...

Page 6: ...mpromising your sound The 2 Series Equalizers include the following features s S NE BAND OCTAVE ONSTANT 1 FREQUENCY BANDS S 4WO BAND OCTAVE ONSTANT 1 FREQUENCY BANDS S 4WO BAND OCTAVE ONSTANT 1 FREQUE...

Page 7: ...IGHTS WHEN THE D RANGE IS SELECTED Output Level Bar Graph These four LEDs indicate output level of the equalizer The red LED is 3 dB below clip ping and is marked as 18 dBu It monitors the level at th...

Page 8: ...ures should not exceed 113 F 45 C when equipment is in use Although the unit s chassis is shielded against radio frequency and electromagnetic interference extremely high fields of RF and EMI should b...

Page 9: ...ED FOR INPUT CONNECTIONS FEMALE LOCKING 8 2 TYPE CONNECTORS AND TIP RING SLEEVE PHONE JACK CONNECTORS 4HE MAXIMUM INPUT level that the equalizer can accept is typically 22 dBu ref 0 775Vrms Section 5...

Page 10: ...qualizers are useful audio signal processing tools in situations where precise frequency control is required across the audible frequency spectrum When used with an audio spectrum analyzer the EQs can...

Page 11: ...K Z D REQUENCY 2ESPONSE Z TO K Z D YNAMIC 2ANGE 4YPICALLY D 3IGNAL TO OISE 4YPICALLY D 4 OISE NTERCHANNEL ROSSTALK D Z TO K Z Function Switches EQ Bypass Bypasses the graphic equalizer section in the...

Page 12: ...3OUTH 3ANDY 0ARKWAY s 3ANDY 5TAH 0HONE s AX NT L AX MAIL US AT CUSTOMER DBXPRO COM OR VISIT US on the web at WWW DBXPRO COM s WWW DRIVERACK COM Printed in China 18 0804V A...

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