Denso BHT-202Q Manual de usuario descargar pdf (Pagina 39)

14.2. Suspend Transition Conditions

The BHT switches to suspend when the power key is pressed, when the event that prohibits suspend has been

completed and the auto power OFF time has elapsed, and when the method used to switch to suspend is

called from the application.

 Events that prohibit suspend

- Wireless connection open (Only when auto power off is permitted during wireless connection open)

- IrDA connection open

- Connector communication being performed

- Key being pressed

- Touch panel being tapped

The auto power OFF time when the BHT is powered by the battery and when it is installed on the Cradle can

be set or acquired at the PwrMng.Settings.AutoPowerOffBattery and AutoPowerOffExt properties, respectively.

Auto power OFF can be disabled by setting this property to “0”.

It is also possible to switch to suspend from the application by calling up the PwrMng.Shutdown method.

Furthermore, operation after the transition to suspend can be specified by setting the parameters for the

methods.

Parameter Description

WARM

Warm boot is performed after power OFF. There is no need to turn the power

ON, the contents of the RAM are retained.

SUSPEND

The BHT switches to suspend. Press the power key to turn ON the power. The

contents of the RAM are retained provided that the sub-battery does not

become fully discharged.

COLD_BOOT_REGINIT

The BHT cold boots automatically after power OFF. The contents of the RAM

are deleted, and the registry is reinitialized.

COLD_BOOT_REGREMAIN

The BHT cold boots automatically after power OFF. The contents of the

registry at this time are saved, and then restored when the BHT is started up.

SYSMODIFY

The BHT cold boots automatically after power OFF, and the consecutive RAM

allocation is maintained. (At the BHT-700, this is the same as when "COLD" is

specified.)

COLD

The BHT cold boots automatically after power OFF,. If the registry has been

saved, the BHT is booted based on the values for that registry, however, if it

has not been saved, the BHT is booted based on the values for the default

registry value.

 Warm boot and cold boot

The memory contents retention status differs between warm boot and cold boot.

Warm Boot Cold Boot

Files in flash memory ● ●

Files in RAM ● –

Data being edited – –

Registry information ● – (*1)

(*1) If the registry is saved, the information is restored to the values at the point it is saved.

15. Updating the OS

The system can be updated (version update) by creating and executing the update applications discussed in

the procedure below while Windows CE is running.

(1) Save the OS file to a suitable location on the BHT.

(2) Specify the update filename in the SysModification.FileName property. (Also include the path for the

folder to which the OS file was saved at (1)).

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Denso BHT-202Q Manual de usuario Pagina 39

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