GME G142CFD User Manual
Page 34
G - C O M B O
I N S T R U C T I O N M A N UA L
PA G E 3 5
4-2-8 Restore default
Returns every chart setting to default.
4-3 Sonar Settings
Sonar feature requires a depth transducer to be connected.
G142CFD only.
To go to the Sonar settings:
1 Press and hold MENU.
2 Select the Sonar icon.
4-3-1 Frequency
You can select a sonar frequency between 200 kHz, 50 kHz
or Mixed.
4-3-2 Palette
Palettes are used to enhance the visibility of the display
depending on the surrounding light environments. Four types of
displays are provided, black, blue, white and 8 colour.
4-3-3 Scroll speed
You can set the scroll speed which determines how quickly the
vertical scan lines run across the screen. Five speed options are
provided; Very Fast, Fast, Medium, Slow and Pause.
A faster option is recommended for slow boat speed to see
more detail and a slow speed is recommended for fast
boat speed.
4-3-4 Digit size
You can change the size of the depth digit on the Sonar
window. Three options are available Small, Medium or Large.
4-3-5 Fish
Fish symbols: Turn the fish symbol on or off.
Fish depth labels: Turn the fish depth value on or off.
Fish filter: Select a minimum fish size that will be displayed
as a fish symbol. Small, Medium or Large.
Fish sensitivity: Select the minimum strength fish echo that
will be displayed as a fish symbol. Low, Medium or High.
4-3-6 Advance Settings
Interference filter: Interference from other equipment
operating nearby or on your boat may show itself on the
display. Use this option to remove interference.
Noise filter: If there is noise, the echo signal from the
transducer is not stable. This function will remove noise and
averages the echo signal. However, this option may also
remove fish echoes.
Surface clutter filter: This filter removes surface noise.
However, the function does not remove fish echoes.
Pulse length: You can select specific pulse length of the
transducer. A short pulse shows more detailed information but
cannot travel deep into the water because of less power. The
Auto setting is recommended.
Pulse power: You can select specific pulse power of the
transducer. Low power shows a clear display but cannot travel
deep into the water. The Auto setting is recommended.
4-3-7 Restore default
Returns every sonar settings to default.