Motorola LI4278 LINEAR IMAGER Product Reference Guide

11 - 34 LI4278 Product Reference Guide
Transmit Buffer
There are two methods to transmit the Code 39 buffer.
1. Scan the Transmit Buffer bar code below, which includes only a start character, a plus (+), and a stop
character.
2. The linear imager scanner transmits and clears the buffer.
• The linear imager scanner issues a low/high beep.
3. Scan a Code 39 bar code with a leading character other than a space.
• The linear imager scanner appends new decode data to buffered data.
• The linear imager scanner transmits and clears the buffer.
• The linear imager scanner signals that it transmitted the buffer with a low/high beep.
• The linear imager scanner transmits and clears the buffer.
Overfilling Transmission Buffer
The Code 39 buffer holds 200 characters. If the symbol just read overflows the transmission buffer:
• The linear imager scanner indicates that it rejected the symbol by issuing three long, high beeps.
• No transmission occurs. The data in the buffer is not affected.
Attempt to Transmit an Empty Buffer
If you scan the Transmit Buffer symbol and the Code 39 buffer is empty:
• A short low/high/low beep signals that the buffer is empty.
• No transmission occurs.
• The buffer remains empty.
Transmit Buffer
NOTE The Transmit Buffer contains only a plus (+) character. In order to scan this command, set Code 39
lengths to include length 1.

Motorola LI4278 LINEAR IMAGER Specifications

General

Scan Rate	547 scans per second
Decode Capability	1D barcodes
Scan Pattern	Single line
Light Source	LED
IP Rating	IP42
Scanner Type	Linear Imager
Battery	Rechargeable Li-ion battery
Drop Specification	1.8 m (6 ft) drops to concrete
Operating Temperature	14°F to 122°F (-10°C to 50°C)
Technology	Linear Imager
Radio Range	Up to 100 m (330 ft) in open air
Interface	USB, RS232, Keyboard Wedge
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Humidity	5% to 95% (non-condensing)
Weight	7.9 oz./224 g
Dimensions	9.8 cm H x 7 cm W x 18.6 cm L (3.8 in H x 2.7 in W x 7.3 in L)