NorthStar Navigation Echo Sounder NorthStar 491 - Manual (Page 8)

Page 4 491 Echo Sounder Operations Manual
Technical support
After you follow the instructions in this manual, if you need
technical support or if you have any other questions, you can
contact Northstar by email, fax, phone, or U.S. mail as follows:
Hearing from you Your feedback is important and helps ensure that this manual
is a valuable resource for all 491 users. Send your questions,
comments, or suggestions about this manual to:
[email protected]
Service and repair In case of an operating problem with your Northstar 491, you
may contact your dealer or return the unit to the Northstar
factory for diagnosis and repair. When describing an operating
problem, be as complete and accurate as possible. Be sure to
have the serial number available whenever contacting or
corresponding with either your dealer or the Northstar factory.
The 491’s serial number is located at the top of the unit. If you
need help, feel free to call the Northstar Service Department at
978-897-6600 between 9:00 a.m. and 5:00 p.m. weekdays,
excluding major holidays.
Table 1: Contacting Northstar
Email :
Service: [email protected]
Sales: [email protected]
Fax :
Service: 978/897-1595
Sales: 978/897-7241
Telephone:
978/897-6600 or 800/628-4487
U.S. mail:
30 Sudbury Road
Acton, MA 01720
Web site:
www.northstarnav.com (you can send email to
Northstar directly from this site)