Eagle FISHMARK 640C, Installation And Operation Instructions Manual

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any longer, turn to the Quick Reference on page 45 and head
for the water with your sonar unit!)
After you have gained some experience with your sonar, you'll want to
check out Section 4, which explains more advanced
Sonar Options and
Other Features .
When you come to a sonar menu command you can look it up in the man-
ual by skimming over the table of contents, just flipping through Section 3
or scanning through the sonar options in Section 4.
If you're having difficulty with your sonar, you can find an answer to
the most common problems in Section 5,
Sonar Troubleshooting .
Finally, in Section 6, we offer Supplemental Material , including a list of
warranty and customer service information.
Now, if you're into the fine details, glance over the next segment on speci-
fications to see just how much sonar power your unit contains. It's impor-
tant to
us
(and our power users), but, if
you
don't care how many watts of
power the unit has, skip ahead to important information on how sonar
works, on page 4.
Capabilities and Specifications: FishMark
®
640c,
SeaFinder
®
640c DF
General
Display: ............................ 5.0" (12.7 cm) diagonal 256-color TFT LCD;
programmable to viewing preference.
Resolution: ...................... 640V x 480H pixel resolution; 307,200 total
pixels
Backlighting: .................. Backlit screen and keypad with multiple
lighting levels for night use.
Input power: ................... 10 to 15 volts DC.
Case size: ......................... 5.4" H x 6.9" W x 3.4" D (13.8 x 17.6 x 8.6
cm); sealed and waterproof; suitable for
saltwater use.