LED-illuminated push buttons (which have a positive, high-quality feel) control the main functions, while rotary knobs on the left and right side of the bezel control pilot, copilot, and passenger volume, and squelch threshold. Garmin’s GMA 240 audio panel (top) doesn’t have integrated wireless Bluetooth, but it’s easily compatible with Avidyne’s new slide-in IFD-series navigator (center). The GMA 240 accommodates two com radios (and two nav receivers) and has a four-position intercom, which can also be wired for two seats in two-place cabins. Measuring 1.30 by 6.29 by 7.12 inches and weighing 24 ounces including the mounting rack and connectors, the GMA 240 sports a simple control set. Garmin’s non-certified stereo audio panel is the $850 GMA 240, which borrows some functions and ergonomics from the early-gen certified GMA 340 and current GMA 350-series. The buying decision is mostly feature-driven (Bluetooth interface being the major one), so in this article I’ll scan the market of Experimental audio panels, look briefly at FAA-certified models, and run down their major features. Leveraging technology already in place on their certified audio panels, both companies market non-TSOd models specifically for the Experimental/kit and LSA market. Today, there are only two major players in non-certified aircraft audio systems-a dominant and cutting-edge PS Engineering-and Garmin. This was even before the day of integrated intercom- cabin communications were handled with a standalone unit, requiring more panel space. You pretty much matched the audio panel to the brand of radios because most panels did the same basic thing-switched the audio between headphones and speaker and selected one of two radios for transmit and receive. King had just released the KMA24, Collins had the AMR350, and Narco sold the CP136 audio switching panels. When I designed my first avionics suite for a Lancair IV in the early 1990s, the choices were easy.
#Cambiar dts audio control panel Bluetooth
But in a modern world of integrated intercom, aural warning systems, digital Bluetooth connectivity, three-dimensional sound, and entertainment audio distribution, selecting (and wiring) an audio panel isn’t as easy as it once was. Since it supports a variety of other avionics on and off the instrument panel, you should design your avionics suite around it. It’s a thankless system, but the audio control panel is the lifeline between your cockpit and the outside world.
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