Troubleshooting
Make sure that the DC-Valve device is open position. (the line on the adjusting knob shows tube-ends of the
device. Then you can gradually turn the knob and increase the backpressure.
Care of the DC-Valve
doctorVOX DC-Valve is specially designed to be used with doctorVOX products. It is made of high-quality polymer to
provide maximum hygiene conditions. It can be hand-washed with hot water and a little detergent.
Precautionary Statements
Device will be DELETERIOUS if totally or partially broken. Only for use when mounted to related devices (maskVOX
and doctorVOX Apparatus) defined by the manufacturer. Do not hold on fire! doctorVOX DC-Valve is not a toy.
Choking hazard: Please keep out of the reach of children and domestic animals. For respiratory training, use proper
assembly of the devices defined by the manufacturer and read this manual carefully.
Warranty
We guarantee to replace our products in case of material or manufacturing defects which occur during the warranty
period of two years from the date of sale. Natural discoloration, scratches due to daily use, damage due to improper
use, incorrect cleaning, incorrect storage or intervention by third parties are not covered by the warranty. The proof of
purchase must be enclosed in the event of a warranty claim. Guarantee services are provided by Doctor Vox Health
Services and Medical Systems Ltd, Sumer 2 Street No:37/9 06420 Kizilay Ankara TURKEY.
Legal information
These operating instructions contain the information required for proper use, correct operation and proper
maintenance. Knowledge of and adherence to the instructions contained in this operating manual are prerequisites for
safe use. Treatment and training must be supervised by competent clinicians and pedagogues.
This operating manual contains information and graphics which are protected by copyright. Photocopying, copying or
translating into another language for commercial purposes is not permitted without the prior written consent of Doctor
Vox Health Services and Medical Systems Ltd. 06420 Ankara TURKEY.
Contact Us
Do you have any questions or concerns?
Send us an email: [email protected]
Phone: +90 850 304 68 98
© Doctor Vox Health Services and Medical Systems Ltd
Thank you for purchasing the doctorVOX DC- Valve.
This is an original DoctorVox Voice Therapy and Vocal Training product. doctorVOX DC- Valve is made of high quality
polymer material. Please read these instructions for correct use and keep the manual for future reference. Should you
require further information or should problems arise that are not described in this manual, please contact us directly
for the required information. If these instructions for use are printed too small for you, please request the required
information directly from
Package Contents:
One doctorVOX DC- Valve
Important Notes
POM-C (polyoxymethylene copolymer) is an FDA approved material for repeated food
contact, sustainable hygiene and has a long lifespan when used properly.
doctorVOX Apparatus and its accesorries are not toys, and should not be left in the
hands of children under the age of 3: Risk of swallowing, suffocation, and strangulation!
Device will be DELETERIOUS if totally or partially broken. DO NOT USE IN THAT CASE!
Handle with care, keep it in its specially designed bag when not in use.
If you suffer from dizziness, convulsions or fainting, use the device only under
supervision. Risk of falling and, suffocation.
DO NOT use the device and drive!
If your voice feels tired or tense, take a break. Try using less backpressure. If the problems reoccur, consult your
doctor, an ENT, vocal coach, speech therapist, or respiratory therapist.
If doctorVOX Apparatus is used by other people, the device must be cleaned/disinfected thoroughly (i.e. hand-
washed with hot water and kitchen-detergent, or swiped with a proper disinfecting swab) for hygienic reasons.
Product Specification
doctorVOX DC- Valve is a SOVT (Semi-Occluded Vocal Tract) tool that provides DC support your voice during
vocal training and voice therapy.
doctorVOX DC- Valve can be used to close the glottal gaps, vocal warm-up, and cool-down practice.
With doctorVOX DC- Valve used with maskVOX or doctorVOX Apparatus, you can quickly prepare yourself for
vocal performances like concerts, shows, auditions, lectures, conferences, etc.
You can use DC-Valve with the doctorVOX Apparatus or maskVOX for respiratory training.
Description of the Device
1.
Adjusting knob
2.
maskVOX mounting end
3.
doctorVOX apparatus mounting end
DoctorVOX DC-Valve
Instruction Manual
