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Operational procedures
41
857-164342 / Rev.C
Basic operations
Overview
This chapter presents a number of common procedures
frequently carried out on the EQ60 echo sounder.
Changing the echogram settings
To change the echogram settings:
1 Position the cursor in the Echogram field.
2 Click the right
mouse button.
3 Observe the
Echogram dialogue box.
4 Make the required changes.
Related topics
→ Echogram, page 81
Changing the range
To change the range:
1 Position the cursor in the Range field.
2 Click the right mouse button.
3 Observe the Bottom Range or Surface Range dialogue
box.
4 Make the required changes
or:
1 Place the cursor in the Range field.
2 Use the mouse wheel to change the range.
Related topics
→ Bottom Range, page 77
→ Surface Range, page 110
Changing the vertical resolution
The vertical resolution of the echogram increases with a shorter
pulse length.
For example, a pulse length of 1.024 millisecond gives a vertical
resolution of 19.2 cm, whereas a pulse length of 0.256
millisecond gives a vertical resolution of 4.8 cm. If the vertical
distance between two echoes is less than this, the two echoes
will be shown as one