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Powering up,
setting up, and
powering down
the 490
Turning the 490 on
490 INSTALLATION MANUAL, Revision B2
For the 961/962
This section assumes that the 490, Northstar 961/962, and
transducer are now all properly connected.
To use the 490 echo sounder, the 961/962 must be running
software version 3.0 or higher. If not, contact Northstar to
obtain the upgrade CD. To install the upgrade, follow the steps
on the back of the jewel box.
Turning on the 961/962 processor automatically turns on the
490 (be sure your vessel is in the water). To turn the 961/962
on, briefly press its PWR key.
You must set the 961/962's Port 3 to "490":
Press STAR to display the SERVICE MENU screen.
1.
Press PORT SETUP .
2.
Press PORT 3 .
3.
4.
Set the FORMAT option to 490.
The STAT (status) indicator light on the 490 glows steady green
when the 490's power is on.
For the 957/958
This section assumes that the 490, Northstar 957/958, and
transducer are now all properly connected. Turning on the 957/
958 automatically turns on the 490 (be sure your vessel is in
the water). To turn the 957/958 on, briefly press its PWR key.
You must set the 957/958's AUX port to "490":
Press the STAR key to display the OPTIONS/SERVICE
1.
INFO screen, then press the PORT SETUP OPTIONS key.
Set the AUX PORT option to 490, then press the ENTER
2.
key.
The STAT (status) indicator light on the 490 glows steady green
when the 490's power is on.
SECTION THREE Installing the 490
Page 21
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