![](/images/new-backgrounds/1135507/13550719x1.webp)
GPS
antenna
957/958/6000i
Navigator
(part of transducer)
491 |
module |
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Ship's | Transducer | ||
Power |
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Figure 1: 957/958 echo sounder system components
GPS
antenna
Control |
Head |
961/962
Processor
(part of transducer)
491 |
module |
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|
Ship's | Transducer | ||
Power |
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Figure 2: 961/962 echo sounder system components
Page 6 | 491 Echo Sounder Operations Manual |