About this Manual
This service manual describes how to
perform hardware service maintenance for
the SAM4S NR-500 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.