Dasan DW-770 Посібник користувача - Сторінка 7
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Також для Dasan DW-770: Посібник користувача (7 сторінок)
Друкувати сторінку7. Replacing the Battery Pack
1
Removing the battery from the headset
Ensure the headset is turned off
Push the button on the inside face of the headset
Slide battery off the headset
2
Extra battery pack option
An extra battery pack can be purchased, to increase your talk time to 14 to 16
hours between charges. The extra battery is charged by placing the battery onto
the battery charging point on the base unit.
When the battery is placed onto the battery charging point, an indicator LED will
illuminate in RED. When fully charged this will change to GREEN.
8. Technical Features
Compatibility
Radio Frequency Range
Radio Frequency Modulation
Operating range
Talk time
Standby time
Battery type
Charging time
Power Supply Unit
Compatible with most standard corded desk phone
Europe: 1.8GHz (DECT)
US: 1.9GHz(DECT)
0.5 GFSK (Gaussian Frequency Shift Keying)
Up to 90 meter (Approx. 300 feet)
Up to 8 hours
Approx. 50 hours
Lithium Polymer
Approximately 4~5 hours
Output Voltage: DC 9V 650mA