Based on FAA guidance, uAvionix requires all echoUAT customers to utilize an approved pressure altitude encoder capable of data input rates meeting the requirements of DO-282B. The uAvionix echoALT is a retrofit altitude encoder that provides pressure altitude data meeting these requirements. Installation of the echoALT utilizes the existing wiring and a provided Y-cable that connects the existing 6-pin wiring harness to the echoALT and echoUAT.
A software update is required for the use of echoALT. Refer to echoUAT Service Bulletin 0402024 for instructions.
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