Sam4s ER-180U Series - About this Manual

About this Manual
This service manual describes how to perform
hardware service maintenance for the SAM4S
ER-180U Series Electronic Cash Register.
Notes
Notes may appear anywhere in the manual.
They describe additional information about the
item.
Precaution symbols
. Indicates a Safety Precaution that applies to
this part component.
. Indicates the part or component is an
electro-statically sensitive device. Use caution
when handling these parts.
License details
FreeRTOS
This product contains software which is linked to
FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time
Engineers Ltd. FreeRTOS V8.0.1 is licensed by
the modified GNU General Public License (GPL)
Version 2 (see the licensing section of http://
www.FreeRTOS.org for full details).