Eagle Electronics 642c Fish Finder User Manual


 
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sonar. In many of those cases, you will see a 50 kHz transducer fre-
quency in use because the wider cone angle lets them watch the bait.
Sonar Features menu with 50 kHz frequency selected (left).
200 kHz frequency selected (right).
To change the frequency setting to 50 kHz:
1. From the Sonar Page, press
MENU| to SONAR FEATURES|ENT.
2. Press to
TRANSDUCER FREQUENCY, select 50 KHZ and press ENT.
3. Press
EXIT|EXIT to clear the menu.
To change the frequency setting to 200 kHz:
1. From the Sonar Page, press
MENU| to SONAR FEATURES|ENT.
2. Press to
TRANSDUCER FREQUENCY, select 200 KHZ and press ENT.
3. Press
EXIT|EXIT to clear the menu.
HyperScroll
See the entry on Ping Speed, which controls the HyperScroll feature.
Log Sonar Chart Data
If you have an MMC installed in the unit, the sonar data shown on the
screen can be saved to the MMC. This can be played back at any time
(to play a recorded sonar chart log, see the entry in this section for So-
nar Simulator). If you have a personal computer and Internet access,
visit our web site, www.eaglesonar.com, and download the free So-
nar Viewer and the emulator for your unit. These programs will allow
you to replay sonar logs on your personal computer.