Denso BHT-200QW Especificaciones Pagina 36

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10. LED
The unit is equipped with three types of LED; indicator LEDs (red, blue) to notify the user that barcode reading is
complete, charge LEDs (red, green) to indicate the charge status, and a wireless LED to indicate the wireless
communication status.
The illumination status for indicator LEDs and wireless LEDs can be controlled from the application.
Indicator LEDs
The illumination status is set and acquired using a 2D indexer. The illumination device is specified for the first
index, and the illumination color (red or green) is specified for the second index.
[Ex.] Turn ON the red display LED.
[VB] MyLED. (LED.EN_DEVICE.BAR,LED.EN_COLOR.RED) _
= LED.EN_CTRL.ON
[C#] MyLED[LED.EN_DEVICE.BAR,LED.EN_COLOR.RED]
= LED.EN_CTRL.ON
The priority order relationship is as follows:
(Barcode read based control) > (application based control)
If “Turn ON LED when barcode reading complete.” is specified and barcode reading is enabled, the display LED
illumination status cannot be controlled from the application until barcode reading is next disabled.
The illumination request from the application, however, is retained in the variable flag (RAM) inside the LED driver.
Illumination requests are also set and cleared while barcode reading is enabled. When barcode reading is
disabled, the flag is checked and the LED color for which an illumination request exists is turned ON automatically.
[Ex.]
Red Green
Statu
s
OFF OFF
Rqst. No No
Red Green
Statu
s
ON OFF
Rqst. Yes No
Red Green
Statu
s
OFF OFF
Rqst. Yes No
- 34 -
Red Green
Statu
s
ON OFF
Rqst. Yes No
Red Green
Statu
s
ON ON
Rqst. Yes Yes
Red Green
Statu
s
OFF OFF
Rqst. Yes Yes
Red Green
Statu
s
OFF OFF
Rqst. No Yes
Red Green
Statu
s
OFF ON
Rqst. No Yes
Red LED ON
specified from
application.
Reading enabled
[Default status]
Reading disabled
Blue LED ON
specified from
application.
Reading enabled
Red LED ON
Red LED OFF
specified from
application.
Reading disabled
Blue LED ON
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