1 Preface
1.1 About this Manual
This manual has been published primarily for professionals and qualified personnel.
The user of this material is assumed to have basic knowledge in marine systems, and must
be able to carry out related electrical work.
Work on the low-voltage circuit should only be carried out by qualified and
experienced personnel.
Installation or work on the shore power equipment must only be carried out by
electricians authorized to work with such installations.
1.2 Responsibilities
It is the sole responsibility of the installer to ensure that the installation work is
carried out in a satisfactory manner, that it is operationally in good order, that the
approved material and accessories are used and that the installation meets all
applicable rules and regulations.
Auto-Maskin continuously upgrades its products and reserves the right to make
changes and improvements without prior notice.
All information in this manual is based upon information at the time of printing. For updated
information, please contact your local distributor.
The crossed-out wheeled bin symbol indicates that the item should be
disposed of separately. The item should be handed in for recycling in
accordance with local environmental regulations for waste disposal.
By separating a marked item, you will help reduce the volume of waste
sent to incinerators or land-fill and minimize any potential negative impact
on human health and the environment.
1.3 Revisions
This User Manual is valid for the following firmware version of the SDU 404 and SDU 420.
Firmware Version
Release Date
1.4
Jan 2022
Page 3 (10)
