Instruction/ maintenance manual of the product VISO HP20 NAD
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® V I S O H P2 0 ENGLISH O wner ’ s Manual.
ENGLISH 2 OSHA GUIDELINES FOR NOISE EXPOSURE LIMITS The Occupational Safety Health Administration (OSHA) has issued headphone usage recommendations for maximum daily exposure and sound pressure levels [measured in decibels (dB)]. A decibel is a unit of sound measurement that increases exponentially with volume.
ENGLISH 3 INTRODUCTION The NAD VISO HP20 In-Ear Headphones have been designed to bring the warm, open sound of live performances directly to your personal headphone experience. Designed and driven by audiophiles, NAD VISO HP20 is made specifically for digital natives who understand the difference what clean, crisp sound makes to music lovers.
ENGLISH 4 1 AIRLINE ADAPT OR • Use the supplied dual 3.5mm airline adaptor to connect your VISO HP20 with in-flight entertainment systems. NOTES • Audio output jack configurations may vary on airplanes. Airline audio may not equal the high quality sound heard from your home audio equipment or portable source.
ENGLISH 5 IN EAR MANA GEMENT EARTIP FITTING AND SELECTION Selecting the correct eartip for use with VISO HP20 will have a major impact on sound quality. With a proper fit and seal, the listener will be isolated from unwanted noise. Bass response will be more pronounced and tonal balance more defined with a comfortable secure fit.
ENGLISH 6 C ONDITION POSSIBLE CA USES POSSIBLE SOL UTIONS Low or no audio output. Audio source is powered off. Power on audio source. Audio volume level is set to minimum. Set audio to medium volume level. No connection between audio source and headphone.
ENGLISH 7 Rated power 1mW Frequency response (20 Hz – 20 kHz) ±1.5dB, -3dB at 15Hz Sensitivity (1kHz) 100dB Total Harmonic Distortion ≤ 1% Impedance, passive 16 ohms Transducer, type Dynamic driver Transducer, size 8mm NAD SHALL NOT BE HELD LIABLE FOR ANY TECHNICAL OR USER INTERFACE DISCREPANCIES IN THIS MANUAL.
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An important point after buying a device NAD VISO HP20 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought NAD VISO HP20 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data NAD VISO HP20 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, NAD VISO HP20 you will learn all the available features of the product, as well as information on its operation. The information that you get NAD VISO HP20 will certainly help you make a decision on the purchase.
If you already are a holder of NAD VISO HP20, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime NAD VISO HP20.
However, one of the most important roles played by the user manual is to help in solving problems with NAD VISO HP20. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device NAD VISO HP20 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
