What does it mean when the LED indicates a battery temperature fault on my Symbol LS4278?
If the LED indicates a battery temperature fault, it means the battery is either above or below the normal operating temperature. Do not use the scanner. Move the scanner to a location within the normal operating temperature. The scanner can remain in the cradle while the battery warms or cools to normal operating temperature.
What to do if Symbol Barcode Reader decodes but doesn't transmit data?
If your Symbol Barcode Reader decodes the bar code but fails to transmit the data to the host, verify that the scanner is programmed for the correct host type by scanning the appropriate programming bar code. Also, ensure all cable connections are secure. Check that the cradle is programmed for the correct host interface by reviewing the scanner host parameters or editing options. If using a cradle, ensure the scanner is paired by scanning the PAIR bar code on the cradle. If the cradle has lost connection to the host, disconnect the power supply and host cable, wait three seconds, then reconnect the host cable and power supply, and reestablish pairing.
Why is scanned data incorrectly displayed on the host using Symbol LS4278 Barcode Reader?
If scanned data is incorrectly displayed, ensure the correct host is selected and check the scanner’s host type parameters or editing options. For RS-232, ensure the scanner’s communication parameters match the host’s settings. For a keyboard wedge configuration, ensure the system is programmed for the correct keyboard type, and the CAPS LOCK key is off. Also, verify that editing options such as UPC-E to UPC-A conversion are properly programmed.
What to do if nothing happens when the trigger is pulled on my Symbol LS4278?
If nothing happens when you pull the trigger, it could be due to a few reasons: 1. The battery may be discharged, so charge the scanner in the cradle. Also, check that the battery door is closed and the end cap to the battery chamber is secured. 2. The scanner might be disabled. Some host interfaces (e.g., Synapse, IBM-468x) can disable the scanner. If this applies, enable the scanner via the host interface.
How to fix a Symbol Barcode Reader when the laser comes on, but symbol does not decode?
If the laser comes on but the symbol doesn't decode, consider the following: * Ensure the scanner is programmed to read the type of bar code you are scanning. * Check the symbol to ensure it is not defaced. Try scanning test symbols of the same bar code type. * Adjust the distance between the scanner and the bar code by moving the scanner closer or further away.
Why does my Symbol LS4278 emit four high beeps when I release the trigger?
Four high beeps on trigger release from your Symbol Barcode Reader indicate low battery. Place scanner in cradle to charge the battery.
Why does my Symbol LS4278 Barcode Reader emit a low/high/low/high beep sequence when programming?
A low/high/low/high beep sequence while your Symbol Barcode Reader is being programmed indicates that you are out of ADF parameter storage space. Erase all rules and re-program with shorter rules.
Why does Symbol LS4278 Barcode Reader emit three long high beeps?
Three long high beeps from your Symbol Barcode Reader indicate that the Code 39 buffer is full. Scan the Code 39 bar code without a leading space or scan Do Not Buffer Code 39 to transmit stored Code 29 data.
What does it mean when my Symbol Barcode Reader emits long low/long high beeps?
Long low/long high beeps from your Symbol Barcode Reader indicate an input error, meaning an incorrect bar code or Cancel bar code was scanned; scan the correct numeric bar codes within range for the parameter programmed. This beep sequence can also indicate a page timeout, meaning the remote device is out of range or not powered; move the scanner back into range of the remote device, try to reconnect, and check the remote device configuration.
Why does Symbol LS4278 emit four long low beeps?
Four long low beeps from your Symbol Barcode Reader indicate a transmission error was detected in a scanned symbol, and the data is ignored. This often occurs if the unit is not properly configured, so check the option settings. It can also mean the scanner is out of range, not paired to the cradle, or not connected to a remote Bluetooth device; move the scanner back into range or scan the PAIR bar code on the cradle. This beep sequence can also mean the cradle did not receive transmitted data; check the host system for receipt of transmitted data, and if it was not received, re-scan the bar code.
Introduces the LS4278 Product Reference Guide and its purpose.
Provides an overview of the content and structure of each chapter in the manual.
Explains the conventions used throughout the document for clarity and consistency.
Overview of the LS4278 scanner's capabilities and ergonomic design.
Instructions for removing and inspecting the scanner and cradle for damage.
Step-by-step guide for connecting the cradle to host devices and power sources.
Detailed instructions on how to safely remove and replace the scanner's battery.
Overview of beeper and LED definitions, scanning techniques, and decode zone information.
Defines various beep sequences and their meanings for status indication.
Explains the meaning of different LED colors and patterns displayed during scanning.
Instructions on how to aim and scan bar codes using the scanner in hand-held mode.
Provides guidelines for cleaning the scanner window and handling the cradle.
Lists common problems, their causes, and potential solutions for scanner and connection issues.
Details the physical, performance, and environmental specifications of the scanner and cradle.
Information on wireless communication modes, features, and parameters for scanner configuration.
Lists default settings for radio communication parameters for easy reference.
Explains how to set up scanner communication with different host types via Bluetooth.
Describes user preference features and programming bar codes for scanner customization.
Instructions for resetting the scanner to factory or custom default parameters.
Allows selection of the decode beep frequency (tone) for user feedback.
Instructions for programming the cradle for keyboard wedge host interface.
Step-by-step guide for connecting the scanner cradle using a Y-cable.
Instructions for programming the cradle for interfacing with an RS-232 host.
Guide on how to connect the scanner cradle directly to a host computer via RS-232.
Instructions for programming the cradle to interface with a USB host.
Details on connecting the scanner cradle to USB capable hosts and operating systems.
Describes symbology features and provides programming bar codes for selection.
Lists the default settings for all symbology parameters.
Configuration options for enabling/disabling UPC-A and UPC-E symbologies.
Explains Advanced Data Formatting (ADF) for customizing data before transmission.
Provides an example of entering and using ADF rules via bar codes.
A comprehensive table listing default parameters for various interfaces and features.
Lists character codes used to identify different symbologies.
Provides AIM code identifiers and modifier characters for data interpretation.
Example bar code for Code 39 symbology.
Example bar codes for UPC/EAN symbologies including UPC-A and EAN-13.
Bar codes representing numeric values 0-9 for parameter input.
Bar code to cancel an input selection or correct an error.
Bar codes representing alphanumeric characters for data entry.
Table mapping ASCII values to Code 39 encode characters and keystrokes.
General| Scanner Type | Laser |
|---|---|
| Scan Pattern | Single Line |
| Light Source | 650 nm visible laser diode |
| Scan Rate | 200 scans per second |
| Decode Capability | 1D Barcodes |
| Operating Temperature | 32° to 122° F (0° to 50° C) |
| Storage Temperature | -40° to 158° F (-40° to 70° C) |
| Resolution | 4 mil |
| Connectivity | Bluetooth |
| Radio Range | Up to 50 feet (15 meters) |
| Battery | Lithium-ion |
| Humidity | 5% to 95% (non-condensing) |
| Drop Specification | Multiple 5 ft./1.5 m drops to concrete |
| Interface | USB, RS-232, Keyboard Wedge |
| Dimensions | 18.5 cm H x 9.7 cm W x 6.9 cm D |
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