User's Manual

WS-2100/4100 Operating Manual
14
3. Basic Functions
3.1 Power On
The power for the terminal is supplied through SMPS and built-in battery.
When the power is supplied through SMPS, the battery is automatically being re-charged and in
case of a power loss, the power source is automatically changed from AC power to internal Battery.
In addition, when the external power is restored, the power source is automatically back to AC
power
3.1.1 How to Operate with External Power.
Connect the SMPS to the DC- JACK in the terminal and then the power plug of SMPS to a power
outlet.
Insert the power jack properly, and then turn the power on by moving the power switch to right to
position [I].
If the power is supplied to the terminal, 3 lamps will come on initially, and the Service Lamp and
Power Lamp will stay illuminated, when call service is available.
3.1.2 How to Operate with the Built-in Battery.
If the SMPS gets unplugged or if there is a power failure while the power switch is on, power is
automatically switched to the battery built into the terminal. The battery must be always charged
up to the full operational strength and if the external power is restored, the power source will be
automatically switched back to AC power, and the battery will be re-charged up to full strength
automatically.
3.2 Power Off
If the power switch is moved to left to the position [O], both the external and internal powers will be
disconnected.
3.3 Making a Call