Electric Harmonix GIT0009181-000 Doctor Q Guitar Effects Pedal Envelope Filter User Manual

Electric Harmonix GIT0009181-000 Doctor Q Guitar Effects Pedal Envelope

Filter User Manual

DOCTOR Q

Congratulations! You have just purchased the DOCTOR Q, the classic envelope funk box. Exactly the same as the original DOCTOR Q, but in a more compact package. RANGE

RANGE CONTROL

Controls the frequency range in which the filter moves. The DOCTOR Q responds to your picking dynamics. Depending on your guitar volume control, the DOCTOR Q’s RANGE control and how hard you pick, different wah-like effects will be produced. The range of the filter is determined by the interaction of instrument volume and the RANGE control. Both stronger attacks and higher (clockwise) control settings increase the sweep range. Low volume and low RANGE settings will create little or no sweep.

BASS SWITCH

When in the up position allows more low frequencies to pass. Use to boost lower frequencies when the DOCTOR Q is set to create little or no filter sweep.

FOOTSWITCH

Selects whether the DOCTOR Q is engaged or in True Bypass. The corresponding LED will be lit when the pedal is engaged, and dark when True Bypassed.

OPERATION AND WARNINGS

from the internal 9-volt battery or external battery eliminator, is activated by plugging into the input. The input cable should be removed when the unit is not in use to avoid running down the battery. The input impedance presented at the Input Jack is 47 kohms. The output impedance at the Output Jack is 47 ohms.
The barrel connector on the front of the DOCTOR Q is for a 9-volt battery eliminator capable of delivering 100 mA of current. The inner ring of the 9-

volt battery eliminator must be negative, the outer ring positive. The unit’s battery may be left in or taken out when the eliminator is in use.
To change the 9-volt battery, you must remove the 4 screws on the bottom of the DOCTOR Q. Once the screws are removed, you can take off the bottom plate and change the battery. Please do not touch the circuit board while the bottom plate is off or you may damage a component.
The optional 9V power supply from Electro-Harmonix is US96DC-200BI (same as used by Boss ™ & Ibanez™) 9.6 volts/DC 200ma. The barrel connector on the front of the DOCTOR Q is for the 9-volt battery eliminator capable of delivering 100 mA of current. The inner ring of the 9-volt battery eliminator must be negative, the outer ring positive. The unit’s battery may
be left in or taken out when the eliminator is in use.

WARRANTY INFORMATION

Please register online at http://www.ehx.com/product-registration or complete and return the enclosed warranty card within 10 days of purchase.
Electro-Harmonix will repair or replace, at its discretion, a product that fails to operate due to defects in materials or workmanship for a period of one year from date of purchase. This applies only to original purchasers who have bought their product from an authorized Electro-Harmonix retailer.
Repaired or replaced units will then be warranted for the unexpired portion of the original warranty term.
If you should need to return your unit for service within the warranty period, please contact the appropriate office listed below. Customers outside the regions listed below, please contact EHX Customer Service for information on warranty repairs at info@ehx.com or +1-718-937-8300. USA and Canadian customers: please obtain a Return Authorization Number (RA#) from
EHX Customer Service before returning your product. Include with your returned unit: a written description of the problem as well as your name, address, telephone number, e-mail address, and RA#; and a copy of your receipt clearly showing the purchase date.

United States & Canada
EHX CUSTOMER SERVICE
ELECTRO-HARMONIX
c/o NEW SENSOR CORP.
47-50 33RD STREET

LONG ISLAND CITY, NY 11101
Tel: 718-937-8300 Email: info@ehx.com

Europe

JOHN WILLIAMS
ELECTRO-HARMONIX UK
13 CWMDONKIN TERRACE
SWANSEA SA2 0RQ
UNITED KINGDOM
Tel: +44 179 247 3258
Email: electroharmonixuk@virginmedia.com

This warranty gives a purchaser specific legal rights. A purchaser may have even greater rights depending upon the laws of the jurisdiction within which the product was purchased.
To hear demos on all EHX pedals visit us on the web at www.ehx.com Email us at info@ehx.com

FCC COMPLIANCE

Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

Modifications not expressly approved by the manufacturer could void the user’s authority to operate the equipment under FCC rules.

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References

• Electro-Harmonix
• Support - Electro-Harmonix

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