Honeywell 1900GHD Quick Start Manual page 9

Note: For a complete list of country codes, see the User's Guide for
your product at our website, www.honeywellaidc.com.
Trigger
The following bar codes will allow you to use the scanner in Manual
Trigger - Normal Mode (need to press the trigger to read) or
Presentation mode (the scanner is activated when it "sees" a bar
code).
Manual Trigger - Normal
(Default)
Presentation Mode
Streaming Presentation™
When in Streaming Presentation mode, the scanner leaves the scan
illumination on all the time and continuously searches for bar codes.
Streaming Presentation Mode