SECTION ON E - Introduction
Page 2 961 INSTALLATION MANU AL Revision A
•setting pulses per nautical mile (PPNM)
•service functions
•maintaining the unit
•installing software updates and saving and restoring the database
The unit’s technical specifications can be found in Appendix A at the back
of this manual.
The rest of this section explains how to obtain technical support and how
to return a unit for service.
Getting technical support
After you’ve followed the instructions in this installation guide, if you
require additional technical support or have any other service-related
questions, you can contact either your dealer or the Northstar Service
Department. Northstar’s Service Department can be reached by email, fax,
U.S. mail, or phone as described in the table below. Whether you send an
email or fax, or write or phone, please hav e the unit’s serial number avail-
able, and be as complete and accurate as possible w hen describing the
problem so that a service technician can research the problem and pro-
vide the quickest possible response.
Northstar’s Service Department is available between 9:00 AM and 5:00
PM Eastern Time, Monday through Friday, excluding major holidays.

Table 1: Contacting Northstar

Hearing from you Your feedback is important and helps ensure that this manual is a valu-
able resource for all marine technicians. Send your questions, comments,
or suggestions about this manual to:
Email:
Service: service@northstarcmc.com
Sales: sales@northstarcmc.com
Fax:
Service: 978/897-1595
Sales: 978/897-7241
Telephone:
Main number: 978/897-6600 or 800/628-4487
Sales: 978/897-0770
Service: 978/897-6600
U.S. mail:
30 Sudbury Road
Acton, MA 01720
Website:
www.northstarcmc.com (you can send email to
Northstar directly from this site)
You can email the Ser-
vice Department directly
from Northstar’s website.
The address is
www.northstarcmc.com.
From here, you also can
access additional techni-
cal information under
either the Manuals or
Support links.