{"id":22446,"date":"2019-01-07T19:18:13","date_gmt":"2019-01-07T19:18:13","guid":{"rendered":"https:\/\/freeflysystems.com\/blog\/knowledge-base\/synapse-3-5-0-alta-app-1-2"},"modified":"2023-02-08T04:54:21","modified_gmt":"2023-02-08T04:54:21","slug":"synapse-3-5-0-alta-app-1-2","status":"publish","type":"kb_article","link":"https:\/\/freeflysystems.com\/knowledge-base\/synapse-3-5-0-alta-app-1-2","title":{"rendered":"Synapse 3.5.0 | Alta App 1.2"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Date Released:<\/span><span style=\"font-weight: 400;\">\u00a0February 10, 2016<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Date Effective:<\/span><span style=\"font-weight: 400;\">\u00a0February 10, 2016<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Subject:<\/span><span style=\"font-weight: 400;\"> Synapse Version 3.5.1<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Effectivity:<\/span><span style=\"font-weight: 400;\"> All Altas<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Require Action:<\/span><span style=\"font-weight: 400;\"> Optional<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Time of Compliance:<\/span><span style=\"font-weight: 400;\"> Optional<\/span><\/p>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">INTRODUCTION<\/span><\/p>\n<p><span style=\"font-weight: 400;\">This Service Bulletin (SB) announces the availability of Synapse Version 3.5.1 and Alta App Version 1.2. Synapse version 3.5.1 includes safety improvements to the existing 3.4.0 firmware, and is recommended for all operators.<\/span><\/p>\n<p>Synapse 3.5.1 removes the option to use GPS Height Correction in Height or Position modes. Freefly expects to reenable the feature in a future release.<\/p>\n<p><span style=\"font-weight: 400;\">BACKGROUND<\/span><\/p>\n<p><strong><span style=\"font-weight: 400;\">Synapse Version 3.5.1 contains the following changes from Synapse Version 3.4.0.<\/span><\/strong><\/p>\n<ul>\n<li>Improves heading estimation accuracy.<\/li>\n<li>Disallows changes to GPS Height Correction.<\/li>\n<li>Changes default GPS Height Correction to Off.<\/li>\n<li>Changed ESC temperature alarm from 90\u00b0C to 70\u00b0C.<\/li>\n<\/ul>\n<p><strong><span style=\"font-weight: 400;\">Alta App Version 1.2 contains the following changes from Alta App Version 1.1:<\/span><\/strong><\/p>\n<ul>\n<li>Dynamically hides GPS Height Correction parameter for Altas with Synapse 3.4.0 installed.<\/li>\n<li>Added Synapse Version 3.5.1<\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">OPERATIONAL CHANGES<\/span><\/p>\n<p><strong><span style=\"font-weight: 400;\">Synapse 3.5.1 does not allow the use of GPS Height Correction feature and resolves the condition noted in the GPS Height Correction Service Bulletin issued on October 10, 2015.<\/span><\/strong><\/p>\n<p><strong><span style=\"font-weight: 400;\">The ESC temperature alarm has been reduced in 3.5.1. If an alarm is indicated on the Alta status light, land immediately. After landing, use the Alta App to determine the type of alarm. In the event of an ESC overtemperature event, allow the ESC to cool before flying again.<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">METHOD OF COMPLIANCE<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Synapse Version 3.5.1 is packaged in Alta App version 1.2. Download the update to your mobile device using either Android Play for Android devices, or the App Store for iOS devices.<\/span><\/p>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">To update firmware, follow the steps in the Aircraft Flight Manual in the section Firmware Update Process.<\/span><\/p>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">After updating, reversion to Synapse Version 3.4 is also possible with the app using the same process. Reversion is typically not recommended.<\/span><\/p>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">KNOWN ISSUES<\/span><\/p>\n<p><span style=\"font-weight: 400;\">There are no known issues with Synapse 3.5.1, or the reversion process to Firmware 3.4.0.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">For Service Information Contact:<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Freefly Customer Support<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Email: support@freeflysystems.com<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Phone: +1 (425) 485-5500<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Hours of Operation: M-F 8am-6pm PST<\/span><\/p>\n","protected":false},"template":"","class_list":["post-22446","kb_article","type-kb_article","status-publish","hentry","support_category-alta","support_category-alta-firmware-and-app-release-notes"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v24.7 (Yoast SEO v26.0) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Synapse 3.5.0 | Alta App 1.2 - Freefly Systems<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/FreeflySystems.com\/knowledge-base\/synapse-3-5-0-alta-app-1-2\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Synapse 3.5.0 | Alta App 1.2\" \/>\n<meta property=\"og:description\" content=\"Date Released:\u00a0February 10, 2016 Date Effective:\u00a0February 10, 2016 Subject: Synapse Version 3.5.1 Effectivity: All Altas Require Action: Optional Time of Compliance: Optional \u00a0 INTRODUCTION This Service Bulletin (SB) announces the availability of Synapse Version 3.5.1 and Alta App Version 1.2. 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