Zebra DS457 User Manual

12 - 40 DS457 Fixed Mount Imager Integration Guide
Clear Transmission Buffer
To clear the transmission buffer, scan the Clear Buffer bar code below, which contains only a start character, a
dash (minus), and a stop character.
• The imager issues a short hi/lo/hi beep.
• The imager erases the transmission buffer.
• No transmission occurs.
Transmit Buffer
There are two methods to transmit the Code 39 buffer.
1. Scan the Transmit Buffer bar code below. Only a start character, a plus (+), and a stop character.
• The imager transmits and clears the buffer.
• The imager issues a Lo/Hi beep.
2. Scan a Code 39 bar code with a leading character other than a space.
• The imager appends new decode data to buffered data.
• The imager transmits and clears the buffer.
• The imager signals that the buffer was transmitted with a lo/hi beep.
• The imager transmits and clears the buffer.
Clear Buffer
NOTE The Clear Buffer contains only the dash (minus) character. In order to scan this command, be sure
Code 39 length is set to include length 1.
Transmit Buffer
NOTE The Transmit Buffer contains only a plus (+) character. In order to scan this command, be sure Code 39
length is set to include length 1.

Zebra DS457 Specifications

General

Type	Fixed bar code reader
Wavelength	655 nm
Sensor type	-
Scanner type	1D/2D
Optical sensor resolution	752 pixels
Standard interfaces	USB
Connectivity technology	Wired
Input voltage	5 V
Power consumption	450 mA
Safety	ETL, VDE, CETL, EN60950, Ctick, VCCI
Certification	FCC, RoHS
Product color	Black
Storage temperature (T-T)	-40 - 70 °C
Operating temperature (T-T)	-20 - 50 °C
Cables included	USB, VGA
Harmonized System (HS) code	84716070

Weight and Dimensions

Depth	58.4 mm
Width	62 mm
Height	29.2 mm
Weight	111 g