Raymarine a67, Installation And Operation Instructions Manual, Page: 196 / 330

• Low
• Medium
• High
When connected to a Raymarine sonar module without CHIRP
capabilities an automatic setting is available:
• Auto
Selecting the frequency for TVG adjustments
When connected to a Raymarine CHIRP sonar module, the TVG
for frequency 1 and frequency 2 can be changed independently
or both at the same time. If connected to a non-CHIRP
sonar module adjustments will be made to both frequencies
simultaneously.
From the fishfinder application:
1. Select
Menu .
2. Select Sensitivity Settings .
3. Select TVG .
4. Select Adjust .
5. Select Frequency 1 , Frequency 2 or Both .
Selecting a preset TVG setting
TVG preset options are only available when connected to a
Raymarine CHIRP sonar module.
With TVG set to Auto, from the fishfinder application:
1. Select
Menu .
2. Select Sensitivity Settings .
3. Select TVG .
4. Select TVG Mode .
5. Select the required setting: Low, Medium or High.
Selecting the TVG Auto setting
The Auto setting for TVG is only available on Raymarine
non-CHIRP sonar modules.
From the fishfinder application:
1. Select
Menu .
2. Select Sensitivity Settings .
3. Select TVG .
The TVG slider bar control is displayed.
4. Select Auto so that a tick is placed in the auto box.
Manually adjusting the fishfinder TVG
From the fishfinder application:
1. Select
Menu .
2. Select Sensitivity Settings .
3. Select TVG .
The TVG slider bar control is displayed.
4. Select Auto so that the tick is removed from the Auto box.
5. Adjust the slider bar control to the required setting.
6. Select Back to confirm setting and close slider bar control.
Note: TVG has no effect in fishfinder simulator mode.
TVG on-screen controls
Touchscreen multifunction displays provide on-screen access to
the TVG controls.
Selecting the on-screen TVG control will display the TVG
settings:
CHIRP controls
When connected to a CHIRP sonar module the automatic TVG
has 3 modes:
When in manual mode the slider bar control is shown:
Non-CHIRP controls
TVG auto modes are not available when connected to a
non-CHIRP sonar module:
When in manual mode the slider bar control is shown:
Note: New c Series TVG controls are accessed by the menu
options: Menu > Sensitivity Settings > TVG .
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 .
Select Gain Controls will switch between showing and hiding
the on-screen controls.
Setting the frequency for TVG using the on-screen
controls
When connected to a Raymarine CHIRP sonar module, the TVG
for frequency 1 and frequency 2 can be changed independently
or both at the same time.
1. Select the on-screen TVG control located on the left hand
side of the fishfinder application.
2. Select the Freq box so that a tick is placed in the box to
adjust both frequencies at the same time, or
3. Select a frequency on-screen so that the window is
highlighted, adjustments will then only be made to the
selected frequency.
Adjusting fishfinder TVG manually using on-screen
controls
Touchscreen multifunction displays provide on-screen access to
the TVG controls.
1. Select the on-screen TVG control located on the left hand
side of the fishfinder application.
2. Select the Auto box to switch between Auto and Manual
TVG.
3. With Auto deselected, select and hold the Slider and move
Left to decrease value or Right to increase value.
Setting auto TVG using the on-screen controls
Touchscreen multifunction displays provide on-screen access to
the TVG controls.
1. Select the on-screen TVG control located on the left hand
side of the fishfinder application.
2. Select the Auto box to select Auto TVG mode.
3. When connected to a CHIRP sonar module you can select
the Auto TVG mode:
• Low
• Medium
• High
196 New a Series / New c Series / New e Series