Simrad EQ 55 Specifications download pdf (Page 51)

is to help the user detect targets, such as fish, which are very close to the

sea floor and whose echoes tend to merge with those of the sea floor it-

self.

62- - Variable Range Marker. This refers to a horizontal black line

shown on the display screen. The user can measure the range to targets

shown on the display screen by use of these VRMs. The depth to the

VRM can be seen in the left side of the screen.

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Simrad EQ 55 Specifications Page 51