Symbol LS4278 Scanner Quick Reference Guide

About this manual

The LS4278 is a lightweight hand‑handed laser scanner designed for both handheld and hands‑free use. This Quick Reference Guide gives a concise overview of the scanner’s features, how to insert it into its cradle, and the basic operation steps.

Key sections cover beep and LED status indicators, troubleshooting tips, Bluetooth pairing, and a list of programming bar codes for configuring scan modes and defaults. Service contact information and warranty details are also included.

What's inside

• Introduction
• Parts
• Scanner Insertion in Cradle
• Beeper Definitions
• LED Definitions
• Troubleshooting
• Programming Bar Codes
• Scanning Modes
• Service Information

Specifications

Frequently asked questions

What do the different beep sequences indicate?

Each beep pattern signals a specific condition, such as power‑up, barcode decoded, transmission errors, or Bluetooth events.

How do I reset the scanner to its default settings?

Scan the SET DEFAULTS bar code to restore all parameters to their factory defaults.

How can I pair the scanner via Bluetooth?

Scan the pairing bar code; a low/high beep sequence confirms that Bluetooth connection is established.

What does the green LED indicate?

A green flash means a barcode was successfully decoded, while a solid green LED shows the scanner is fully charged.