Ngenuity TWAIN Data Source November 19, 2009
Page 77 of 99
No (Non standard TWAIN mechanism)
Stored in profile:
Yes
3.8.27 BBH_CAP_JPEG_SUBSAMPLING
Specify JPEG subsampling. It works for color mode only.
Type:
TW_UINT8
Supported Messages:
MSG_GET - TW_ENUMERATION
MSG_GETCURRENT - TW_ONEVALUE
MSG_GETDEFAULT - TW_ONEVALUE
MSG_RESET – TW_ONEVALUE
MSG_SET – TW_ONEVALUE, TW_ENUMERATION
MSG_QUERYSUPPORT - TW_ONEVALUE
Allowed Values:
JPEG_SUBSAMPLING444=0
JPEG_SUBSAMPLING422=1
Default Value:
JPEG_SUBSAMPLING422
Query Support Value:
TWQC_GET |TWQC_GETDEFAULT |TWQC_GETCURRENT | MSG_SET| MSG_RESET
Stored in registry:
Yes
Stored in profile:
Yes
3.8.28 BBH_CAP_MFD_ACTION
MFD_ACTION_DISABLE - multifeed detection is disabled. All sensors will be disabled and
multifeed faults will not be detected.
MFD_ACTION_NOTIFY - It will not stop scanning and will not report the multifeed to the host.
Instead, it will only report the error through the operator interface (e.g. sound and LEDs).
MFD_ACTION_STOP - scanner stops after a multifeed.
Type:
TW_UINT8
Supported Messages:
MSG_GET - TW_ENUMERATION
MSG_GETCURRENT - TW_ONEVALUE
MSG_GETDEFAULT - TW_ONEVALUE