Honeywell HF680 Series User Manual

HF680 Series User Guide 77
Check Digit
No Check Digit indicates that the scanner reads and transmits barcode data with
or without a check digit.
When Check Digit is set to Validate, but Don’t Transmit, the unit only reads NEC 2
of 5 barcodes printed with a check digit, but will not transmit the check digit with
the scanned data.
When Check Digit is set to Validate and Transmit, the scanner only reads NEC 2 of
5 barcodes printed with a check digit, and will transmit this digit at the end of the
scanned data. Default = No Check Digit.
NEC 2 of 5 Message Length
Scan the barcodes below to change the message length. Refer to Message Length
Description (page 68) for additional information. Minimum and Maximum lengths
= 2-80. Minimum Default = 4, Maximum Default = 80.
* No Check Digit
Validate, but Don’t Transmit
Validate and Transmit
Minimum Message Length
Maximum Message Length

Honeywell HF680 Series Specifications

General

Image Sensor	CMOS
Symbol Contrast	20% minimum reflectance difference
Interface	USB, RS-232, Keyboard Wedge
Operating Temperature	32°F to 122°F (0°C to 50°C)
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Humidity	5% to 95% (non-condensing)
Light Levels	0 to 100, 000 lux
Supported Barcodes	UPC/EAN, Code 39, Code 128, QR Code, Data Matrix