Simrad EK15 Reference Manual page 177

Description
The biomass and size
distribution values are
calculated based on the
echo data collected by
the EK15.
Using the
Calculation
functionality,
Interval
you can limit the source
data used by these
calculations. You can
thus specify if you wish
to base the calculations
on data collected during a give timeframe, from a defined number of pings, or from the
data used to create a portion of the current echogram view.
The settings for
Calculation Interval
Parameters
1
Time
This option allows you to calculate the biomass and fish distribution based on the
echo data collected during the last elapsed seconds or minutes.
Select time interval in the
hours) in the
Units
You can select any time up to 200 minutes, but limited to the latest 3000 pings.
2
Ping
This option allows you to calculate the biomass and fish distribution based on the
echo data collected during the last pings.
Select ping interval in the
3
View
This option allows you to calculate the biomass and fish distribution based on the
echo data used to create the current echogram view.
You can choose to use the full view, or a portion of it.
The following options are available:
• Full view
• 1/2 view
• 1/4 view
• 1/8 view
Move the horizontal selector sideways to choose.
Related topics
• Setup menu; functions and dialogs on page 170
• Biomass information pane on page 125
351718/C
does not affect the biomass line.
box. Select time units (seconds, minutes or
Interval
box.
box. You can choose up to maximum 1000 pings.
Interval
Functions and dialog boxes
175