{"id":22430,"date":"2019-01-07T19:18:12","date_gmt":"2019-01-07T19:18:12","guid":{"rendered":"https:\/\/freeflysystems.com\/blog\/knowledge-base\/synapse-3-7-6-alta-app-1-4"},"modified":"2023-02-08T04:56:47","modified_gmt":"2023-02-08T04:56:47","slug":"synapse-3-7-6-alta-app-1-4","status":"publish","type":"kb_article","link":"https:\/\/freeflysystems.com\/knowledge-base\/synapse-3-7-6-alta-app-1-4","title":{"rendered":"Synapse 3.7.6 | Alta App 1.4"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">Date Released:<\/span><span style=\"font-weight: 400;\">\u00a0March, 2016<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Subject:<\/span><span style=\"font-weight: 400;\"> Synapse Version 3.7.6, Alta App 1.4<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Affected Altas:<\/span><span style=\"font-weight: 400;\"> Alta 6 and Alta 8<\/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><strong><span style=\"font-weight: 400;\">This Service Bulletin (SB) announces the availability of Synapse Version 3.7.6 and Alta App Version 1.4. Synapse Version 3.7.6 is recommended for all operators and features important safety improvements.<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">BACKGROUND<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Synapse Version 3.7.6 contains the following changes from Synapse Version 3.6.0:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Added Alta 8 support<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Added data logging fields<\/span>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Magnetic compass heading<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">GPS jamming data<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Gyro and accel biases<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">5V bus status and voltage<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Radio control channels: Home Switch, Velocity and Climb Rate Clamps<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Processor temperature<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Data bus integrity<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Aircraft serial number<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Firmware version of flight controller, GPS\/Compass module and ESC.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">GPS type<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Date<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">LED configuration<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Radio loss of signal<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Added flight metrics to data logs<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Added SD card formatting<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Added detection of ESC and Power Board firmware version<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Added overweight alarm<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Added data bus failure alarm<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Added three digit version number support<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Added reporting of ESC and power board firmware version numbers<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Modified motor temperature limit to 90\u00b0C for ESC Version 1.0.1<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Modified motor temperature alarm to non-latching<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Modified low battery warning behavior to require low voltage for 3 seconds before displaying alarm<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Increased maximum position light brightness for ESC Version 1.0.1<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Improved behavior during automatic reversion from Position to Manual mode<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Fixed a bug where autoland was incorrectly triggered during aggressive climbs<\/span><\/li>\n<\/ul>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">Alta App Version 1.4 contains the following changes from Alta App Version 1.3:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Included Synapse Version 3.7.6.<\/span><\/li>\n<li style=\"font-weight: 400;\"><span style=\"font-weight: 400;\">Added Alta 8 support<\/span><\/li>\n<\/ul>\n<p><span style=\"font-weight: 400;\">OPERATIONAL CHANGES<\/span><\/p>\n<p><span style=\"font-weight: 400;\">There are two new alarms that are present in Synapse Version 3.7.6 and are presented on the status light. If an alarm occurs and the status light turns red, land immediately.<\/span><\/p>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">First, a new overweight alarm triggers if the flight controller when the flight controller determines the aircraft is overloaded. This alarm applies to both Alta 6 and Alta 8. The alarm uses propeller RPMs to detect the weight, and the alarm is triggered if RPMs are above 4700 in a hover. If this alarm occurs, land immediately and remove weight from Alta.<\/span><\/p>\n<p><strong><br \/>\n<span style=\"font-weight: 400;\">Second, a new Electronics Speed Controller (ESC) communications alarm is present in the event the primary CAN Bus communications protocol fails between the flight controller and motor ESCs. If this alarm occurs, land immediately and check motor temperatures. When using ESC and power board firmware 1.0.0, do not allow motor temperatures to exceed 70\u00b0C.<\/span><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">METHOD OF COMPLIANCE<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Synapse Version 3.7.6 is packaged in Alta App version 1.4. 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. Firmware updates are only available to Alta 6 operators.<\/span><\/p>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">After updating, reversion to Synapse Version 3.6.0 is also possible with the app using the same process for Alta 6.<\/span><\/p>\n<p><strong><strong>\u00a0<\/strong><\/strong><\/p>\n<p><span style=\"font-weight: 400;\">KNOWN ISSUES<\/span><\/p>\n<p><strong><span style=\"font-weight: 400;\">There is a known issue when adjusting Position Light colors directly following a firmware update or when after applying default settings. In these instances, Position Light colors will not appear in the app, even though they are configured. To resolve this issue, change the light colors to the desired lighting scheme in the app normally. Following this, the light colors will be displayed in the app, and will continue to be displayed properly including after power cycling Alta.<\/span><\/strong><\/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-22430","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 3.7.6 | Alta App 1.4 - 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-3-7-6-alta-app-1-4\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Synapse 3.7.6 | Alta App 1.4\" \/>\n<meta property=\"og:description\" content=\"Date Released:\u00a0March, 2016 Subject: Synapse Version 3.7.6, Alta App 1.4 Affected Altas: Alta 6 and Alta 8 Require Action: Optional Time of Compliance: Optional \u00a0 INTRODUCTION This Service Bulletin (SB) announces the availability of Synapse Version 3.7.6 and Alta App Version 1.4. 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Synapse Version 3.7.6 is recommended for all operators and features important safety improvements. 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