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USB Interface 6 - 15
USB Transmission Speed Parameters
Use the following parameters to speed USB data transmission:
•
- When using more current USB systems, use this parameter to set a lower interval
in order to increase data transmission speed.
•
- When configured as a USB HID keyboard device, use this parameter to increase
the data transmission speed of printable (7-bit) ASCII characters.
•
- When configured as a USB HID keyboard device, use this parameter to
increase the data transmission speed of a mix of both printable (7-bit) and full (8-bit) ASCII characters.
USB Polling Interval
This option speeds data transmission for all USB devices except CDC. Scan a bar code below to set the
polling interval. The polling interval determines the rate at which data can be sent between the scanner and the
host computer. A lower number indicates a faster data rate.
Changing the polling interval re-initializes the scanner.
NOTE
Enabling
Quick Keypad Emulation on page 6-17
CAUTION
Ensure the host can handle the selected data rate. Selecting a data rate that is too fast for the host can
result in lost data.
1 msec
2 msec
Summary of Contents for DS9208
Page 1: ...DS9208 DIGITAL SCANNER PRODUCT REFERENCE GUIDE ...
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Page 3: ...DS9208 PRODUCT REFERENCE GUIDE 72E 139635 06 Revision A May 2015 ...
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Page 30: ...1 10 DS9208 Product Reference Guide Figure 1 10 Locking Mount Bracket Template 54 mm 49 mm ...
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Page 397: ...APPENDIX F SAMPLE BAR CODES Code 39 UPC EAN UPC A 100 123ABC 0 12345 67890 5 ...
Page 400: ...F 4 DS9208 Product Reference Guide QR Code Han Xin US Postnet UK Postal ...
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