Connecting and disconnecting the interface cable
An audible “click” sound indicates the interface cable has been plugged in correctly and the connector lock is engaged. To unplug the interface cable, 
release the connector lock by inserting one end of a paperclip into the handle. 
SETUP AND INSTALLATION
The following steps will walk you through the installation process.
SETTINGS AND CONFIGURATION
The  following  section  covers  the  most  common  conguration 
settings for your MS837 scanner. 
For  additional  conguration  options  please  visit 
unitechscanners.com/MS837 and select the “Download” tab. 
You will nd the User’s Manual and a variety of other resources. 
Open a word processing program such as Microsoft Word or Notepad 
on your host. Now scan the following barcode:
Test & Finish
If the word “Unitech” appears on the screen you have succesfully 
installed your scanner. Congratulations!
MS837 Quick Start Guide
The Unitech MS837 Laser Scanner
Installation Instructions and Popular Conguration Settings
Plug the interface cable into a free USB port of a host computer. The 
MS837 is now ready to use. 
Connecting USB cable to a host
Scan this set of barcodes to switch to Flash Mode from the default 
Trigger Mode. In Flash mode, the MS837 will function automatically. It 
will scan at a set interval.
Flash Mode
Continuous Automatic
Scanning
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Scan here to switch back to Trigger Mode. In Trigger Mode, the MS837 
will scan only when the scanner button is pressed.
Trigger Mode
* 
(Default scanning mode)
 
Trigger Mode
Default Settings
This barcode will return your scanner to its original factory 
settings, a useful feature for troubleshooting purposes.
Enter Mode
Scan here to return to Enter Mode. 
Tab Mode
You may wish to set your scanner to “Tab Mode.” In this mode, data will 
tab over to the next column as you scan instead of jumping to the next 
line. Scan the top barcode and then the bottom barcode to switch to 
Tab Mode from the default Enter Mode.
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