DISCOVER D312U Скачать руководство пользователя страница 12

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5. Specification

1) Nominal Impedance (AC): 32Ω±15%

2) Rated working power: 10mW

3) Effective frequency range: 20Hz-20KHz

4) Microphone sensitivity: -42±3dB

5) Headset sensitivity: 115±3dB

6) Sound distortion: ≤3%

6. Common Problems

Q1: No sound in headset.

Solution: Ensure the connection is correct; ensure USB port of your

computer is in good condition; ensure the 3.5mm audio connector

Содержание D312U

Страница 1: ...Telephone Headset D312U...

Страница 2: ...nual D312U is a lightweight telephone headset with retractable headband It s compatible with all kinds of mobile devices and computers supports the functions of playing music and HD web phone calls 1...

Страница 3: ...icrophone 3 3 5mm AUX Connector 4 USB Connector 5 Volume Control 6 Volume 7 Volume 8 Mute 9 Microphone Mute 2 Button Function Note The led indicator is red only when microphone is mute Under other sta...

Страница 4: ...ress to make it up to maximum volume Short press to volume down Long press to make it down to minimum volume While in a call single press the button microphone is mute and indicator is red Single pres...

Страница 5: ...3 Connection...

Страница 6: ...4 Operation Instruction 1 For Windows Computer Step 1 Click on Start at lower left corner and then click Settings...

Страница 7: ...Step 2 Input Audio in Windows Settings and then choose Manage audio devices...

Страница 8: ...Step 3 In sound options choose D312U in the list of Playback and Recording D312U...

Страница 9: ...2 For MAC or iOS Computer Step 1 Click top left corner of your screen and select System Preferences...

Страница 10: ...Step 2 Select Sound from the list...

Страница 11: ...Step 3 In sound options choose USB Audio Device in the list of output and input...

Страница 12: ...e frequency range 20Hz 20KHz 4 Microphone sensitivity 42 3dB 5 Headset sensitivity 115 3dB 6 Sound distortion 3 6 Common Problems Q1 No sound in headset Solution Ensure the connection is correct ensur...

Страница 13: ...d or the microphone is too close to your mouth Please adjust your speaker to a suitable volume and the microphone in a proper distance Q3 Hear some buzz sound when in a call Solution Try to use anothe...

Страница 14: ...rphone in a dusty environment 4 Please use a clean soft and dry cloth to clean your earphone 5 Keep placing the earphone in its original package when not using it 6 Do not let your children play with...