There is a common exception to these rules. Some fishermen on fresh- water lakes (or the ocean) using downriggers like to see them on the sonar. In many of those cases, you'll see a 50 kHz transducer frequency in use because the wider cone angle lets them watch the bait.

Sonar Features menu with a frequency of 200 kHz selected.

To change the frequency setting to 50 kHz:

1.From the Sonar Page, press MENU↓ to SONAR FEATURESENT.

2.Press ↓ → to 50 KHZENT.

3.Press EXITEXIT to close the menu.

To change the frequency setting to 200 kHz:

1.From the Sonar Page, press MENU↓ to SONAR FEATURESENT.

2.Press ↓ → to 200 KHZENT.

3.Press EXITEXIT to close 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 Sonar Viewer and the emulator for your unit. These programs will allow you to replay sonar logs on your personal computer.

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Eagle Electronics 502cDF manual HyperScroll, Log Sonar Chart Data, To change the frequency setting to 50 kHz