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Comparison Lowrance Elite-9 Ti vs Lowrance Elite-7 Ti

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Lowrance Elite-9 Ti
Lowrance Elite-7 Ti
Lowrance Elite-9 TiLowrance Elite-7 Ti
from £44.80 
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from £44.32 
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Main
High scanning power. Large touch screen. Wireless modules Wi-Fi, Bluetooth and GPS. Bottom and side scan. NMEA interface support. Accurate navigation.
High scanning power. Large touch screen. Wireless modules Wi-Fi, Bluetooth and GPS. Bottom and side scan. NMEA interface support. Accurate navigation.
Typefish finder-chartplotterfish finder-chartplotter
Specs
Scan depth
1524 m /optional 305 or 91/
1524 m /optional 305 or 91/
Number of beams of radiation22
Number of frequencies55
Radiation frequency50/83/200/455/800 kHz50/83/200/455/800 kHz
Total radiation angle120 °120 °
Emitter power500 W500 W
CHIRP Technology
Side scan
Bottom scan
Display specs
Display
9 "
touch
800x480 px
colour
backlight
7 "
touch
800x480 px
colour
backlight
Features
Functions
Sound alarm
Determination of the distance to the fish
Indication of symbols in the form of fish
Real time fish display
Quick screen update
Auto-change depth scale
Depth display range
Bottom density determination
Water temperature indicator
Speed indication
Distance display
Sound alarm
Determination of the distance to the fish
Indication of symbols in the form of fish
Real time fish display
Quick screen update
Auto-change depth scale
Depth display range
Bottom density determination
Water temperature indicator
Speed indication
Distance display
Connection interfaces
Wi-Fi
NMEA /NMEA 2000, NMEA 0183/
output for external GPS antenna
Wi-Fi
NMEA /NMEA 2000, NMEA 0183/
 
Specs of the chartplotter
GPS module
Memory card slot
Base map
Adding new maps
 /navionics series cartography/
 /navionics series cartography/
Waypoints30003000
Number of routes100100
Number of points in the route1000010000
General
Dust and water protection
 /IPX7/
 /IPX7/
Power source10 - 17 V10 - 17 V
Dimensions285x175x110 mm220x161x117 mm
Added to E-Catalogapril 2017may 2016

Display

— Screen size. Diagonal screen size in inches. The larger the screen, the more information can be displayed on it and the more detailed this information can be. On the other hand, this parameter noticeably affects the dimensions of the device, and large screens are expensive, especially since you need the appropriate resolution for normal image quality (see below).

Touch. The presence of a sensor in the design of the display. This feature allows you to control the device by touching the icons on the screen — similar to how it is done in smartphones and tablets. Touch control provides more options than the classic one, using buttons and switches, besides it is more visual — however, such devices are more expensive.

— Display resolution. Display size in dots (pixels) horizontally and vertically. The higher the resolution, the more detailed image the screen is able to produce, the smaller objects can be clearly displayed on it and the more comfortable viewing. At the same time, the specificity of echo sounders is such that too high resolution is not required even for high-end models: for example, modest by the standards of smartphones or tablets 640x480 with a 5" screen are considered quite sufficient even for an advanced device.

— Colour. The ability of a screen to display colours. In this case, the simplest division is used:

Monochrome.... Displays that display information only in shades of one colour. Theoretically, the main colour can be any, but in this case, the vast majority of monochrome screens are black and white. Their advantages are low cost and energy consumption, as well as good visibility in the sun; at the same time, such an image allows you to work with quite a variety of types of data, which is enough even for very advanced echo sounders (see "Type"). However, this variety is not as wide as for colour displays, as a result, for chartplotters (see ibid.), such an image is not suitable — if it is impossible to display different colours, some of the important information on the maps is lost.

Coloured. Screens capable of working with multiple colours. The variety of colours can be quite small, but the image still turns out to be more informative than black and white: different colours can indicate different depths on the map, water temperature changes, etc. Due to this, this type of display is found in all types of navigation devices (see above). Its main disadvantage can be called a higher cost than that of monochrome screens.

— Backlight. The screen has its own backlight system. This feature makes the display independent of ambient light and allows you to see the information on it even in complete darkness. At the same time, the backlight increases power consumption, which is important during long-term operation from an autonomous source (for example, a boat battery). Therefore, it can be turned off.

Connection interfaces

Ethernet. This standard is also known as LAN or RJ-45. Its original purpose is the construction of general-purpose wired computer networks; however, Ethernet can also be used in special networks — including used by navigation equipment. Note that this interface is technically capable of providing a higher data transfer rate than NMEA, so it can be used for tasks that require the transfer of a large amount of data — for example, connecting to the Internet via a satellite module.

NMEA. Abbreviation for "National Marine Electronics Association", "National Marine Electronics Association". This interface is used to interconnect various "marine" electronics, mainly navigation — echo sounders, chartplotters, radars, VHF radios, gyrocompasses, sensors in engines, etc. Accordingly, its support allows you to connect the device with other specialized devices and sensors. Note that there are several versions of NMEA. The most popular at the moment is NMEA 0183, it is this standard that is supported by most special equipment. A more advanced version is NMEA 2000, which is not yet widely used. More information about the different versions and their compatibility can be found in special sources.

Output for external GPS antenna. This function can occur regardless of whether the device has a built-in GPS receiver (see above). If such a receiver is not available,...then the ability to connect an external antenna (more precisely, a whole GPS module) is almost mandatory for devices with the chartplotter function (see "Type") — otherwise they will not be able to effectively perform their tasks. However, for models with their own receiver, an external antenna may come in handy — it is usually more sensitive than the internal one and allows you to more accurately determine the location of the device, especially in difficult conditions (atmospheric interference, navigation through narrow fjords, etc.). At the same time, such an antenna can be chosen at will, choosing the best option for price and functionality. One has only to take into account that different types of connectors can be used to connect external equipment — therefore, before buying an antenna, it would be useful to clarify its compatibility with a specific model of the device.

— Wi-Fi. A wireless interface, originally designed to connect to local computer networks, and more recently also used to directly connect various devices to each other. It can be used in echo sounders/chartplotters for various purposes — both for integration into the onboard network and for connecting external equipment (wireless sensor, remote control tablet, etc.); specific functionality depends on the model.

— Bluetooth. A wireless interface used to connect different devices to each other. The Bluetooth standard includes many separate protocols for different types of data and formats of operation; in fact, the possibilities of this connection in each particular case depend on what protocols the echo sounder / chartplotter supports. The most common features include, in particular, connecting wireless sensors (see above), exchanging data with a tablet, laptop or other gadget (for example, to download new maps and routes), connecting wireless headsets to work with sound alarms, etc. P.

— Video input. Connector for connecting an external video signal to the echo sounder / chartplotter. This feature allows you to use the display to display a "picture" from another device, such as an external camera. Note that video inputs are found mainly in models with large colour displays — without such a display, the whole point of this function would be lost.

— Video output. Connector for video signal output from echo sounder/chart plotter. This function allows you to duplicate the image from the display of the device on an external large screen — for example, the main monitor of the on-board computer — which makes viewing more convenient.
Lowrance Elite-9 Ti often compared
Lowrance Elite-7 Ti often compared