Specifications
11
1.4 Power Control
Power supply state
There are the following kinds of the power supply states of a personal computer.
Table 1.6
No Item Screen RAM CPU Explanation
1 ON ON ON ON The state where the terminal is working
2 Early Suspend OFF ON ON
The state where only the screen serves as OFF.
OS and application are continuing operation.
3 Suspend * OFF ON OFF
Devices other than RAM are in the state where all serve
as OFF mostly.
Although OS and application remain on RAM, almost all
operations are stopped.
4 OFF OFF OFF OFF It is in the state where all the devices serve as OFF.
* Depending on the application on Android, it may be written as "sleep."
It is called "starting" that a state changes to 1 from 4.
Moreover, it is called "resume" that a state changes to 1 from 3 to 1 and 2.
Hold down the power button for approx. 1 sec. in the state of OFF, LED charging lights up green
for about one second, and the state of the terminal will be ON.
Pressing the power button for a moment at the state is 2 or 3, the terminal will be “resume”.
For models equipped with a magnetic sensor, there is a “resume” function by closing the System
Case with a built-in magnet.
For models and magnetic sensor, please refer to "1.11 Sensor”.
Eco-Charge
In addition to the normal battery charging, this terminal has Eco-Charge mode to prevent
deterioration of battery.
In this mode, the charging rate of the battery stops charging when it reaches 80%.
The way to set Eco-Charge mode is described in “DEVICE Settings”.
The functions of the System Library related with the “Eco-Charge“ are shown below.
setEcoCharge
: This function sets Eco-Charge to enabled or disabled.
getEcoCharge
: This function sets whether Eco-Charge is enabled or disabled.
Safety Power Off
This terminal has two batteries.
Main battery is mounted on the rear of body.
Backup battery is built into the body, it can not be replaced. Backup battery is used to keep the
user data while replacing the main battery.
The period to backup user data depends on the setting of terminal.
The way to set up terminal is described “DEVICE Settings” for its detail.
When y
ou open the battery cover to change the battery, then the micro SD card is un-mounted,
and the terminal will be suspended.