Zebra DS457 User Manual

Symbologies 12 - 41
Overfilling Transmission Buffer
The Code 39 buffer holds 128 characters. If the symbol just read results in an overflow of the transmission
buffer:
• The imager indicates that the symbol was rejected by issuing three long, high beeps.
• No transmission occurs. The data in the buffer is not affected.
Attempt to Transmit an Empty Buffer
If the symbol just read was the Transmit Buffer symbol and the Code 39 buffer is empty:
• A short lo/hi/lo beep signals that the buffer is empty.
• No transmission occurs.
• The buffer remains empty.

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