Specifications
42
Output Buffer
The scanner scans a bar code and outputs the scanned data using one of the following methods
described in the table below.
Table. 2.38
Output Method Description
OBR buffer output
(see note)
- Scanned data is output to memory in the laser scanner driver.
- Scanned data already output to the memory can be captured using the
Common Device Control Library.
Key message output - Scanned data can be output with the window message to the specified
window handle.
- The window handle is specified using the Common Device Control
Library.
Clipboard output - Scanned result is copied to the clipboard and then output to the edit
control focused by caret.
Keyboard output - Scanned result is output as a keyboard event to the edit control focused
by caret.
Note:
OBR buffer Output
When a barcode is scanned, the decoded data including the symbology and data size are stored to
the memory in the laser scanner driver. This output method has the following features.
• Can capture the bar code symbology and data size.
• Can capture the data at any timing the user prefers.
• One piece of data can be a maximum of 98 characters long and up to nine labels can be stored
in the memory. If any new data scanned after exceeding over nine labels stored already in the
memory will be disregarded.
Conditions for Terminating Scanning
Scanning will be terminated when any of the following conditions is met.
• Scanning is succeeded.
• Preset timeout period has elapsed.
• OBR buffer becomes a full.
• An abnormal condition is detected in the scan module.
Scan Completion Notification
When scanning is completed, a notification is issued to the application using one of the methods
described in the table below. Each notification method can be set to “Enable” or “Disable”. The
default is “Notification with window message”.
Table. 2.39
Method Description
Window message A window message is issued to the specified window handle. Also, the conditions for
scanning completion can be fetched by referring to wParam parameter of the window
message.
Event A predefined event in the registry is issued. The conditions of scanning completion can
be fetched using the Common Device Control Library.
None No message or event is issued when scanning is complete.