Denso BHT-200QW Especificações descarregar pdf (Página 38)

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11. Power Management

The four power statuses are listed in the table below.

Power ON Standby (*1) Suspend (*2) Critical OFF(*2)

CPU

TURBO RUN

/ RUN / IDLE

DEEP IDLE SLEEP SLEEP

LCD ON ON OFF OFF

(*1) No processing is performed when the BHT is on standby. Furthermore, ensure to disable standby before

accessing the card.

(*2) The events that cause the BHT to switch to the suspend and critical OFF statuses differ. The BHT status when

the power is turned OFF by pressing the power key or when using the auto OFF function is referred to as

“Suspend”, and the status when the power turns OFF due to low battery voltage or when the battery cover lock is

released is referred to as “Critical OFF”.

The power status and power consumption relationship is as follows.

(Power ON) > (Standby) > (Suspend) = (Critical OFF)

11.1. Standby Transition Conditions

The BHT switches to standby when the event that prohibits standby has been completed, and the standby

transition time has elapsed.

 Events that prohibit standby

- Keyboard being used

- Touch panel being tapped

- Screen display being refreshed

- Beeper/vibrator activated

- Click sound activated

- Backlight ON

- Barcode being read

- Wireless communication open

- IrDA connection open

- USB connection open

- Data being deleted from or written to flash memory

- RTC being accessed

- Display LED ON

- A system message is displayed

The standby transition time can be set or acquired using the PwrMng.Settings.StandbyTime property. Transition to

standby can be prohibited by setting this property to “0”.

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Denso BHT-200QW Especificações Página 38