Koss QZ-99 Noise Reduction Stereophone Instruction Manual

1. ഉൽപ്പന്നം കഴിഞ്ഞുview

The Koss QZ-99 Noise Reduction Stereophones are designed to provide an isolated listening experience by reducing ambient sounds. They feature Pneumalite™ ear cushions and a secure headband for effective passive noise isolation. Integrated controls allow for convenient volume adjustment and stereo/mono switching.

These headphones are suitable for environments where external noise reduction is beneficial, such as with racing scanners or metal detectors, or for focused audio listening.

പ്രധാന സവിശേഷതകൾ:

• Passive Noise Reduction system isolates the listener from ambient sounds.
• Neodymium magnet structures for clear audio reproduction.
• Closed Pneumalite™ ear cushions and an extra-secure headband create a sealed listening environment.
• Volume control located on the ear cup for easy level adjustment.
• Stereo/Mono switch for enhanced flexibility.
• Single-entry, 8-foot coiled cord for extended reach and tangle resistance.

2. സജ്ജീകരണവും കണക്ഷനും

2.1 അൺപാക്കിംഗും പരിശോധനയും

Carefully remove the Koss QZ-99 headphones from their packaging. Inspect the headphones and cable for any visible damage. Ensure all components, including the 8-foot coiled cord and the 3.5mm jack, are present and intact.

2.2 ഒരു ഓഡിയോ സ്രോതസ്സിലേക്ക് ബന്ധിപ്പിക്കുന്നു

1. Locate the 3.5mm audio jack on your audio device (e.g., laptop, desktop, tablet, cellphone, music production equipment).
2. Insert the 3.5mm plug of the Koss QZ-99 coiled cord into the audio output jack of your device.
3. If your device requires a 1/4-inch adapter, use the provided adapter by screwing it onto the 3.5mm plug.

Image: The 3.5mm audio jack, 1/4-inch adapter, and the in-line stereo/mono switch on the Koss QZ-99 cable.

2.3 സുഖസൗകര്യങ്ങൾക്കായി ക്രമീകരിക്കൽ

Place the headphones over your ears. Adjust the headband to ensure a snug yet comfortable fit. The Pneumalite™ ear cushions should fully enclose your ears to maximize passive noise reduction and sound quality.

3. ഓപ്പറേഷൻ

3.1 വോളിയം നിയന്ത്രണം

The volume control knob is located on one of the ear cups. Rotate the knob clockwise to increase the volume and counter-clockwise to decrease it. Adjust to a comfortable listening level.

3.2 സ്റ്റീരിയോ/മോണോ സ്വിച്ച്

An in-line switch on the cable allows you to select between stereo and mono audio output. Set the switch to "STEREO" for standard stereo sound. If your audio source is mono or if you prefer a mono output, slide the switch to "MONO".

4. പരിപാലനവും പരിചരണവും

• വൃത്തിയാക്കൽ: Use a soft, dry cloth to clean the exterior of the headphones. Do not use liquid cleaners or solvents.
• ചെവി തലയണകൾ: The Pneumalite™ ear cushions are designed for durability. If they become worn or damaged, contact Koss customer support for replacement options.
• സംഭരണം: Store the headphones in a clean, dry place away from extreme temperatures and direct sunlight. Avoid tangling the coiled cord.
• കേബിൾ കെയർ: Do not pull on the cable to disconnect the headphones from an audio source. Always grasp the plug firmly.

5. പ്രശ്‌നപരിഹാരം

5.1 ശബ്ദമില്ല അല്ലെങ്കിൽ കുറഞ്ഞ ശബ്ദം

• Ensure the 3.5mm plug is fully inserted into the audio source.
• Check the volume control knob on the ear cup and turn it clockwise to increase volume.
• Verify the volume settings on your audio source device.
• ഉപകരണ-നിർദ്ദിഷ്ട പ്രശ്നങ്ങൾ ഒഴിവാക്കാൻ വ്യത്യസ്ത ഓഡിയോ ഉറവിടം ഉപയോഗിച്ച് ഹെഡ്‌ഫോണുകൾ പരീക്ഷിക്കുക.

5.2 വികലമായ ശബ്ദം

• Reduce the volume on both the headphones and the audio source.
• Ensure the audio cable is securely connected and not damaged.
• Check the stereo/mono switch position. Incorrect settings for certain audio sources can cause distortion.

5.3 Poor Noise Isolation

• Adjust the headband to ensure the ear cushions form a complete seal around your ears.
• Ensure the ear cushions are not damaged or worn, as this can compromise the seal.

6 സ്പെസിഫിക്കേഷനുകൾ

7. വാറൻ്റിയും പിന്തുണയും

7.1 നിയമപരമായ നിരാകരണം

The product warranty does not cover misuse of the product. Please refer to the official Koss webപൂർണ്ണമായ വാറന്റി നിബന്ധനകൾക്കും വ്യവസ്ഥകൾക്കും വേണ്ടി, വെബ്സൈറ്റ് അല്ലെങ്കിൽ നിങ്ങളുടെ വാങ്ങൽ ഡോക്യുമെന്റേഷൻ പരിശോധിക്കുക.

7.2 ഉപഭോക്തൃ പിന്തുണ

For technical assistance, replacement parts, or further inquiries, please contact Koss customer support. Contact information can typically be found on the Koss official webസൈറ്റ് അല്ലെങ്കിൽ നിങ്ങളുടെ ഉൽപ്പന്ന പാക്കേജിംഗിനുള്ളിൽ.