Lowrance Mark-4 HDI Operation Manual EN - Page 23

Sonar Operation

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Sonar Operation Blue sonar history bar This unit supports two types of sonar: Conventional and DownScan. Trackback You can review your recent sonar history by moving the cursor to the left until the screen starts to move in reverse. Move the sonar history bar all the way to the right to resume normal sonar scrolling, or press Menu and select Exit cursor mode. The features described in this section are for conventional sonar. Refer to the "DownScan operation" section for information on DownScan features. Sonar Menu Press Menu from any sonar page to access the Sonar menu. 21 Sonar Operation | Mark-4 & Elite-4 HDI

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21
Sonar Operation |
Mark-4 & Elite-4 HDI
Trackback
You can review your recent sonar history by mov-
ing the cursor to the left until the screen starts to
move in reverse.
Move the sonar history bar all the way to the right
to resume normal sonar scrolling, or press
MENU
and select
Exit cursor mode
.
Sonar Menu
Press
MENU
from any sonar
page
to
access
the
Sonar
menu.
This unit supports two types of sonar: Conventional
and DownScan.
The features described in this section are for
conventional sonar.
Refer to the “DownScan operation” section for
information on DownScan features.
Sonar Operation
Blue sonar history bar