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SECTION FOUR — Troubleshooting and servicing the
Getting technical support
You can
After you’ve followed the instructions in this manual, if you need addi- tional technical or operations support for the 491, or if you have any other
NOTE: | Please have the following items available when you |
| contact Northstar. |
| • the 491’s serial number, located on the top of |
| the unit |
| • the transducer manufacturer’s name and the |
| transducer’s model and part number |
|
|
Please be as complete and accurate as possible when describing the prob- lem so that a service technician can research the problem and provide the quickest response.
The Northstar Service Department is available between 9:00 AM and 5:00 PM Eastern Time, Monday through Friday, excluding major holidays.
If you have questions about purchasing parts or finding an authorized Northstar dealer, or if you want basic product information and brochures, contact the Northstar Sales Department as described in the table below.
Table 7: Contacting Northstar
Email:
Service: service@northstarnav.com
Sales: sales@northstarnav.com
Fax:
Service:
Sales:
Telephone:
Main number:
Sales:
Service:
U.S. mail:
Northstar
30 Sudbury Road
Acton, MA 01720
Website:
www.northstarnav.com (you can send
PAGE 24 | 491 INSTALLATION MANUAL Revision A |