User's Manual

Introduction
This manual contains information about procedures for handling, operations, warnings, and
precautions about the "Wireless Hand-held Barcode Reader BL-N90 Series".
Be sure to read this section thoroughly before use. Keep this manual in a safe place for
future reference.
b Symbols
The following symbols and conventions alert you to important messages.
Be sure to read these messages carefully.
Indicates reference pages in this or another manual.
b General Cautions
• At startup and during operation, be sure to monitor the functions and performance of
the BL-N90 series.
• We recommend that you take substantial safety measures to avoid any damage in the
event of a problem occurring.
• Do not modify the BL-N90 series, or use it in any way other than described in the
specifications.
• When the BL-N90 series is used in combination with other devices, functions and
performance may be degraded, depending on the operating conditions and
surrounding environment.
• Do not use the BL-N90 series for the purpose of protecting the human body.
b Applications that Need Special Attention
When using the BL-N90 series under the following conditions, be sure to use the BL-N90
series under the specified rating or within the provided functions, or take sufficient safety
precautions such as providing a failsafe, and consult with KEYENCE sales staff.
• Under the conditions or environment not described in this manual
• For atomic controls, railway facilities, aviation facilities, vehicles, combustion devices,
medical equipment, amusement machines, or safety equipment
• For the applications that may affect human life or properties and particularly require
safety
Warranties and Disclaimers
(1) KEYENCE warrants the Products to be free of defects in materials and workmanship for a
period of one (1) year from the date of shipment. If any models or samples were shown to
Buyer, such models or samples were used merely to illustrate the general type and
quality of the Products and not to represent that the Products would necessarily conform
to said models or samples. Any Products found to be defective must be shipped to
KEYENCE with all shipping costs paid by Buyer or offered to KEYENCE for inspection
and examination. Upon examination by KEYENCE, KEYENCE, at its sole option, will
refund the purchase price of, or repair or replace at no charge any Products found to be
defective. This warranty does not apply to any defects resulting from any action of Buyer,
including but not limited to improper installation, improper interfacing, improper repair,
unauthorized modification, misapplication and mishandling, such as exposure to
excessive current, heat, coldness, moisture, vibration or outdoors air. Components which
wear are not warranted.
(2) KEYENCE is pleased to offer suggestions on the use of its various Products. They are
only suggestions, and it is Buyer's responsibility to ascertain the fitness of the Products
for Buyer's intended use. KEYENCE will not be responsible for any damages that may
result from the use of the Products.
(3) The Products and any samples (Products/Samples) supplied to Buyer are not to be used
internally in humans, for human transportation, as safety devices or fail-safe systems,
unless their written specifications state otherwise. Should any Products/Samples be used
in such a manner or misused in any way, KEYENCE assumes no responsibility, and
additionally Buyer will indemnify KEYENCE and hold KEYENCE harmless from any liability
or damage whatsoever arising out of any misuse of the Products/Samples.
(4) OTHER THAN AS STATED HEREIN, THE PRODUCTS/SAMPLES ARE PROVIDED WITH
NO OTHER WARRANTIES WHATSOEVER. ALL EXPRESS, IMPLIED, AND STATUTORY
WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-
INFRINGEMENT OF PROPRIETARY RIGHTS, ARE EXPRESSLY DISCLAIMED. IN NO
EVENT SHALL KEYENCE AND ITS AFFILIATED ENTITIES BE LIABLE TO ANY PERSON
OR ENTITY FOR ANY DIRECT, INDIRECT, INCIDENTAL, PUNITIVE, SPECIAL OR
CONSEQUENTIAL DAMAGES (INCLUDING, WITHOUT LIMITATION, ANY DAMAGES
RESULTING FROM LOSS OF USE, BUSINESS INTERRUPTION, LOSS OF
INFORMATION, LOSS OR INACCURACY OF DATA, LOSS OF PROFITS, LOSS OF
SAVINGS, THE COST OF PROCUREMENT OF SUBSTITUTED GOODS, SERVICES OR
TECHNOLOGIES, OR FOR ANY MATTER ARISING OUT OF OR IN CONNECTION WITH
THE USE OR INABILITY TO USE THE PRODUCTS, EVEN IF KEYENCE OR ONE OF ITS
AFFILIATED ENTITIES WAS ADVISED OF A POSSIBLE THIRD PARTY’S CLAIM FOR
DAMAGES OR ANY OTHER CLAIM AGAINST BUYER. In some jurisdictions, some of the
foregoing warranty disclaimers or damage limitations may not apply.
BUYER'S TRANSFER OBLIGATIONS: If the Products/Samples purchased by Buyer are to
be resold or delivered to a third party, Buyer must provide such third party with a copy of this
document, all specifications, manuals, catalogs, leaflets and written information provided to
Buyer pertaining to the Products/Samples.
WARNING
Failure to follow instructions may lead to physical injury, such as electric shock
or burns.
CAUTION
Failure to follow instructions may lead to product damage.
Note
Provides additional information on proper operations.
Reference
Provides advanced and useful information for operation.