Denso BHT-700-CE Reference Manual page 114

BHT_SetNLedOff
Description
Turn off the indicator LED and/or synchronization LED.
Syntax
DWORD BHT_SetNLedOff (
DWORD dwLedDevice
DWORD dwLedNum
Parameters
dwLedDevice
[in] LED device
Specification
dwLedDevice
LED_BAR Indicator LED
dwLedNum
[in] LEDs to be turned off
dwLedNum
RED_LED
GREEN_LED
RED_LED | GREEN_LED
Return value
Error code
ERROR_SUCCESS
ERROR_INVALID_PARAMETER Parameter error.
Notes:
- When the barcode device file is opened by the BHT_EnableBar function, the indicator LED cannot be
controlled. Note that if the LED has been specified to be kept off by the BHT_DisableBar, the LED can
be controlled.
,
)
Specification
If dwLedDevice = LED_BAR
Blue LED
Red and blue LEDs
Meaning
Successful completion
Red LED
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