User's Manual

GDK-20W DIGITAL WIRELESS KEY TELEPHONE SYSTEM
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It is dependent on country adaptation.
Type -Ⅰ
z Input : Only AC 230V ~ 50Hz 50mA
z Output : DC12V 200mA 2.4VA
Type -Ⅱ
z Input : Both AC 220V and 110V ~ 50/60Hz
z Output : DC12V 200mA
Figure 3.6.8 shows the 330-SSC and 340-SSC.
Figure 3.6.8 Single-Slot Charger (330-SSC, 340-SSC)
LED (red) on the charger indicates that charging is in progress.
In the GDC-335H, when a battery is almost consumed during a call or in an idle state, warning tone will be
heard more 3 times in every 20 second with “LOW BATT.” message on the LCD, and a low-battery icon
(
) will be twinkling at the right corner of the LCD.
In the GDC-340H, when a battery is almost consumed during a call or in an idle state, warning tone will be
heard once in every 5 second, and a low-battery icon ( ) will be blinking at the right corner of the LCD.
The battery inside of GDC-33xH, GDC-340H is Nickel Metal Hydride (NI-MH) and can be charged any time.
To increase the lifetime of the battery, use the wireless terminal without charging until the battery
alarm is heard.