Motorola Symbol LS4278 Product Reference Guide

Scanning 2 - 3
LED Definitions
In addition to beeper sequences, the scanner communicates with the user using a two-color LED display. Table 2-2
defines LED colors that display during scanning.
This power-up beep occurs more than once. The USB bus may put the scanner in a state where power to the
scanner is cycled on and off more than once. This is normal and
usually happens when the host PC cold boots.
RS-232 only
High beep A <BEL> character is received and Beep on <BEL> is enabled
(Point-to-Point mode only).
Table 2-1 Standard Beeper Definitions (Continued)
Beeper Sequence Indication
Table 2-2 Standard LED Definitions
LED Indication
Scanning LED
Green Flash A bar code was successfully decoded.
Charging LED
Green - Slow Continuous Flash
1
Non-critical battery temperature fault. Battery is above or below normal
operating temperature.
If this occurs, do not use the scanner and move the scanner to a location within
normal operating temperature. The scanner can remain in the cradle while the
battery warms or cools to normal operating temperature.
Note: For appropriate charging temperatures, see
Table 3-3 on page 3-9 .
Green - Fast Continuous Flash
2
Scanner is charging.
Green - Solid Scanner is fully charged.
Amber - Continuous Flash Critical battery temperature fault. Battery is above or below normal operating
temperature.
If this occurs, do not use the scanner and move the scanner to a location within
normal operating temperature. The scanner can remain in the cradle while the
battery warms or cools to normal operating temperature.
Note: For appropriate charging temperatures, see
Table 3-3 on page 3-9 .
1
A slow continuous flash is estimated at 1 flash per second.
2
A fast continuous flash is estimated at 2 flashes per second.

Motorola Symbol LS4278 Specifications

General

Brand	Motorola
Model	Symbol LS4278
Category	Barcode Reader
Language	English