User Manual
User Manual
User Manual
P.6
4. Detailed Technical Specifications.
DT SERIES
DT808
DT818
General Characteristics
Type
Monaural Over-the-Head
Speaker
ø27mm
ø40mm
Microphone
ø6 x 2.7mm
ø6 x 2.7mm
Cord Length
1.2 meters with volume control
Plug
2.5mm golden plug
Speaker Characteristics
Type
Receiver
Speaker
Rated Impedance
32
W
±20% (@1V, 1kHz)
Rated Power Input
10mW
10mW
Maximum Power Input
30mW
50mW
Frequency Range
300 ~ 4,000Hz
20 ~ 20kHz
Sensitivity
107dB±3dB
104dB±3dB
Microphone Characteristics
Type
Electret Condenser Microphone (ECM)
Impedance
1,000
W
Sensitivity
-60dB±4dB/µBar
Directivity
Noise-cancelling
Operation Voltage
1.5 ~ 10V (DC)
Current Consumption
<500mA
Inline Volume Control Features
Anti-Radiation Circuitry
Blocks radiation generated by DECT phone
Muting
ON/OFF selector for microphone muting
Reception Level
Rotatable potentiometer for speaker volume
adjustments
Transmission Level
3 position levels for microphone gain
adjustment
5. Precautions, Trademark and Ownership.
Please read the following safety instructions before using your DT-series headset
WARNINGS
Ÿ
Listening with device at high volume may damage your hearing.
Ÿ
Adjusting the volume for microphone or speaker too high may cause squealing
(feedback sound) and can cause damage to your hearing.
Ÿ
Do not pair the device with any equipments not specified by this user manual. Use
only with standard DECT cordless telephones with 2.5mm jack.
Ÿ
Device must be hooked up according to the method listed out in this manual.
Ÿ
Place product far away from water, fire, extended exposure of direct sunlight or
magnetic field, and places of excessive dust, moist, rain, shock or electromagnetic
radiation.
Ÿ
Do not drop this device or subject it to external shock which may cause
malfunction.
Ÿ
Do not dissemble or attempt to open up the casing under any circumstances,
contact your local dealer or retail outlet on repair or replacement.
Ÿ
Whenever unplugging the 2.5mm plug from the DECT phone, apply force to the
plug part only. Jerking the cord instead of the plug may cause damage to the
product.
Ÿ
Do not use liquid cleanser or aerosol cleanser as they may damage the device or
finish of the product. Use a dry cloth to clean the external portions of the product.
Ÿ
Prevent the headset from coming into contact with moisture or liquid, to protect
against damage to it or injury to you.
RECYCLING
Ÿ
The DT series headset is WEEE compliant and must be recycled or disposed
properly. Contact your local recycling center for proper disposal.
WARRANTY
Ÿ
Do not remove or alter any serial number print or sticker on any part of the
device, as this will automatically void the product’s warranty.
TRADEMARK & OWNERSHIP
Ÿ
Accutone and the logo design combined are trademarks or
registered trademarks of Accutone Technologies Limited.
DT808 / DT818
Anti-Radiation Headset