The HELIX 12 series also includes a unit without Side Imaging and Down Imaging, and this is the HELIX 12 CHIRP GPS. This unit comes with the standard XNT 9 20 T transom transducer, which is also temperature capable and features a transom mount. In case you’re wondering, the unit can use its CHIRP modes with this transducer. Since it’s a 200/83 kHz transducer, the unit will
The HELIX 10 DI GPS model shares quite many similarities with the HELIX 10 SI GPS model. However, this model comes with dedicated Down Imaging sonar, a transducer specific for this type of sonar technology, and evidently does not have Side Imaging.
In terms of sonar, this unit offers both Down Imaging and DualBeam Plus sonar. For Down Imaging, is capable of 455/800 kHz, and the supplied transducer (XNT 9 DI T) does cover these frequencies, using thin, fan-shaped beams of 75° and 45° angles for
The HELIX 9 DI GPS shares plenty of similarities with the HELIX 7 DI GPS, only it offers several extra features, and of course, a wider screen. This unit actually replaces the old 959ci HD DI Combo unit, as it’s one of the newest units for 2016.
The HELIX 9 DI GPS features a 9-inch display, with the same 480V x 800H pixel matrix as the HELIX 7 series. However, this unit has a color grayscale of 65,000 colors, as opposed to the units of the smaller series, which only offer 256 colors. In other
December 2015 marks the launch of the HELIX 9 series by Humminbird, which actually replaces the 900 series. Evidently, one of the most complete unit of this new series is the HELIX 9 SI GPS. As it’s name suggests, it’s a unit that has Side Imaging, Down Imaging, GPS, and comes with the preloaded ContourXD maps.
In terms of sonar, the HELIX 9 SI GPS is pretty similar to the <a title="Humminbird Fish Finder HELIX 7 SI GPS Review" href="http://hummingbirdfishfinderreviews.com/helix-7-si-gps-review/