When connected to a Legacy
or a internal Traditional sonar
module the automatic gain
has 3 modes.
When in manual mode the
slider bar control is shown
regardless of connected
sonar module type.
Note: SideVision
TM
channels do not use onscreen
Gain controls The Gain setting can be found in the
Sensitivity Settings menu.
Enabling and disabling on-screen gain
controls
You can enable and disable the on-screen gain
controls by following the steps below.
On a touchscreen multifunction display, with the
relevant application displayed.
1. Select Menu.
2. Select Presentation.
3. Select Gain Controls.
Selecting Gain Controls will switch between
showing and hiding the on-screen controls.
Note: When the on-screen Gain controls are set
to Hidden then the Gain settings can be accessed
directly from the application menu: Menu > Gain.
Adjusting gain manually using on-screen
controls
1. Select the on-screen Gain control located on the
left hand side of the Sonar application.
2. Select the Auto box to switch between Auto and
Manual gain.
3. With Auto deselected, select and hold the Slider
and move Left to decrease value or Right to
increase value.
Setting the auto gain mode using the
on-screen controls
1. Select the on-screen Gain control located on the
left hand side of the Sonar application.
2. Select the Auto box so that a tick is displayed
in the box.
3. Select the required Auto Gain Mode.
Adjusting sonar Gain using the menu
The sonar Gain setting can be accessed from the
Sonar application menu.
From the Sonar application:
1. Select Menu.
2. Select Sensitivity Settings.
3. Select Gain.
The Gain adjust dialog is displayed
4. Adjust the gain control to the required setting, or
5. Select Auto.
A tick is displayed in the Auto box to signify
automatic gain is enabled.
Setting auto gain mode using the menu
When using a Legacy sonar module or a Traditional
internal sonar module 3 Auto Gain modes are
available. The Auto Gain mode can be set by
following the steps below.
From the Sonar application menu:
1. Select Sensitivity Settings.
2. Select Auto Gain Mode.
3. Select the required auto gain mode.
Setting an auto gain offset
When connected to a CPx70 series sonar module
the Auto gain can be offset by +/–50%.
From the Sensitivity Settings menu:
1. Select Gain.
2. Ensure Auto is selected.
3. Adjust the slider control to the required value.
The scrolling image will now track the automatic
setting by the offset value specied.
Intensity
When connected to a CPx70 series sonar module
the Intensity control is available. Sonar modules
use different colors to determine the strength of an
echo. You can adjust the color intensity manually
between 0% and 100% or set it to automatic. When
Intensity is set to automatic the setting can be offset
by +/- 50%.
The Intensity control sets the lower limit for the
strongest echo color. All echoes with a signal
strength above this value are displayed in the
strongest color. Those with a weaker value are
divided equally between the remaining colors.
• Setting a low value produces a wide band for the
weakest color, but a small signal band for the
other colors.
• Setting a high value gives a wide band for the
strongest color, but a small signal band for the
other colors.
Onscreen Intensity control
The onscreen Intensity control is available when
connected to a CPx70 series sonar module.
Selecting the onscreen control enables you to adjust
the setting as required.
The Auto Intensity can be
offset by +/-50%
When in manual mode the
slider bar control
Adjusting the Intensity
To adjust the Intensity control on a CPx70 series
sonar module follow the steps below.
From the Sonar application:
1. Select Menu.
2. Select Sensitivity settings.
Sonar (Fishnder) application
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