103 Chapter 8: The Fishfinder
Power setting
The power setting controls the power level of the transducer.
Auto
This is the default setting. When it is selected the DSM automati-
cally determines the required power setting based on the current
depth, speed, and (bottom) signal strength.
Manual
If you wish to manually adjust the power to suit current conditions,
you can adjust the power level between 0% and 100%, in 10%
increments. Lower
power levels are normally used in depth ranges
less than 8 ft. (2.4 m) and higher
power levels are typically selected
for depths greater than 12 ft. (3.7 m).
To change the power setting
1. Press the ADJUST softkey for the preset you are using.
2. Press to the manual or auto setting on the POWER softkey.
3. In manual mode, use the rotary controller or trackpad to choose
the power setting you want to use.
4. Press OK.
8.9 Measuring depth and distance
The fishfinder display gives you various methods of measuring
depth and distance:
• Depth reading - your current depth. The size and position of
this readout can be changed in the Fishfinder display Setup
menu (see
page 107).
• Depth lines - horizontal dashed lines drawn at regular intervals
to indicate the depth from the surface. These are switched on/
off in the Fishfinder Display Setup menu (see
page 107).
• Depth Target ID - depths noted against recognized targets.
The sensitivity of these IDs is directly linked to the Fish Alarm
sensitivity; the greater the fish alarm sensitivity, the greater the
number of labelled returns. These targets are switched on/off in
the Fishfinder Display Setup menu (see
page 107).
• Cursor depth - the depth and the distance from your boat
marked by the cursor, is indicated in the data bar at the top of
the screen. This performs in a similar way to a VRM, but without
lines.
• VRMs - to indicate the distance behind your boat and the depth
below of selected objects.
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