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2. SONAR OPERATION
13
2.1.3 Locked
mode
This mode functions to operate the sonar as an echo sounder, with the
transducer locked at 0° sector size. The transducer location is at the top of the
sonar image display and the image data is displayed across the screen from
right to left.
Ground rope of trawl
Bottom
Individual fish
(angular echoes)
in trawl
Locked mode displa
y
Summary of Contents for TS-331A
Page 1: ...WIRED TRAWL SONAR TS 331A ...
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Page 42: ...4 DEPTH TEMPERATURE DISPLAY 34 This page intentionally left blank ...
Page 48: ...5 MENU DESCRIPTION 40 This page intentionally left blank ...