Raymarine E70482 User Manual

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9

.6Sonarsensitivitycontrols

Optimumperformanceisusuallyachievedusingthedefaultsettings.Youcanadjusttheimageusing

theSensitivitycontrolstoimprovethedisplayedimage.Sensitivitysettingadjustmentisalsoapplied

tothesonarhistorythatisdisplayedwhenusingsonarscrollback.

Sensitivitysettingscanbeaccessedusingtheonscreen Imageadjustmenticon,orthe

Adjustsensitivitymenuoption:

Menu>Adjustsensitivity.

TheSensitivitycontrolsavailablearedependantupontheSonarmoduleinuse

.

ControlNameDescription

‘G’Gain

Thecontroldeterminesthesignalstrengthatwhichtarget

returnsareshownonscreen.

TheGaincontrolcanbesetto

Autoor Manual.Depending

onSonarmodule,inAutoyoucanaddanoffsetofupto

±50%.

Ahighervalueproducesmoretargetreturnsandnoise

onscreen.

‘I’Intensity,or

‘CG’ColorGain

Thecontrolsetsthelowerlimitforthecolorusedforthe

strongesttargetreturns.Alltargetreturnsabovethisvalue

aredisplayedinthestrongestcolor.Thosewithaweaker

valuearedividedequallybetweentheremainingcolors.

Thecontrolcanbesetto

Autoor Manual.Dependingon

Sonarmodule,inAutoyoucanaddanoffsetofupto±50%.

‘SF’SurfaceFilter,or

‘NF’Noiseﬁlter

Thecontroldeterminestheamountofnoisedisplayed

onscreenbyvaryingthegainthroughoutthewatercolumn.

Alowervaluedecreasesthedepthatwhichthecontrol

isapplied.

Thecontrolcanbesetto Autoor Manual.

‘TVG’TimeVariedGain

Thecontroldeterminestheamountofattenuationapplied

throughoutthewatercolumntoensurethattargetsofa

similarsizeappearthesameregardlessofdepth.

Ahighervalueproducesweakertargetsandlessnoise

onscreen.

Thecontrolcanbesetto1of3 Automodesorcanbeset

to

Manual.

AlltoAuto

SetsallSensitivitysettingsto Autowith0%offset.

102

Table of Contents

Questions and Answers:

M
matthewdoughertyAug 9, 2025
How to fix Wi-Fi issues on Raymarine Marine GPS System?
- J
  Jackie PalmerAug 9, 2025
  Having trouble with Wi-Fi on your Raymarine Marine GPS System? Here's what to check: * **Wi-Fi not enabled:** Make sure Wi-Fi is enabled on both devices and rescan for available networks. * **Wi-Fi automatically turning off:** Power cycle/reboot devices and rescan for available networks, as some devices may turn off Wi-Fi to save power. * **Device not broadcasting:** Try enabling broadcasting of the device’s network in the Wi-Fi settings. If that doesn't work, manually enter the device’s Wi-Fi Name/SSID and passphrase in the connection settings. * **Devices out of range/signal blocked:** Move devices closer together or remove obstructions and rescan for available networks.
D
Derek WhiteAug 13, 2025
What to do if Raymarine E70482 Marine GPS System display is behaving erratically?
- R
  Rachel HardyAug 13, 2025
  If your Raymarine Marine GPS System display is behaving erratically, try the following: * **Check fuses and breakers:** Inspect the relevant fuses and breakers. * **Inspect power supply cable:** Check the power supply cable for any damage and ensure all connections are tight and free from corrosion. * **Verify power source:** Ensure the power source provides the correct voltage and sufficient current. * **Software update:** Check for software updates on the Raymarine website. * **Factory reset:** As a last resort, perform a factory reset. Note: This will erase all settings and data stored on the product, so save any important data beforehand.
O
ofisherAug 17, 2025
Why is my Raymarine E70482 connection so slow?
- B
  Barbara MooreAug 17, 2025
  If your Raymarine Marine GPS System connection is slow or keeps dropping, consider the following: * **Distance:** Move devices closer together, as Wi-Fi performance degrades over distance. For fixed installations like a Quantum Radar, enable the Wi-Fi connection on an MFD closer to the device. * **Interference:** Change the Wi-Fi Channel of the device you are trying to connect to and retry the connection. Temporarily switch off each device in turn until you have identified the device causing the interference.

Raymarine E70482 Specifications

General

Brand	Raymarine
Model	E70482
Category	Marine GPS System
Language	English

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