EDGE Part A and B are data fields for 3B or 4B layouts. The purpose of these data fields is that additionally one or 2 original Garmin data fields (or other IQ data fields) can be set. This guidance describes both data fields together: http://mcinner.at/files/GuideEdgePartA&B_E.pdf They form a unit, although they must be loaded individually from the store and must also be placed individually in the correct field. Both data fields together show many values for cycling - around the most important values: speed, cadence, heart rate and power. For details please read the PDF guide. How to change settings: https://support.garmin.com/en-US/?faq=TMj0wxIdjh382mBFh5rG46 I used this data field on my former Edge 1030+ for my e-mountain bike and use Jan Capek‘s IQ datafield Ebike Field in the upper field. Now I‘m using my own ebike datafield https://apps.garmin.com/en-US/apps/365c91c9-4b97-44ec-8832-69738356c4a2 I have to admit, the screen is a bit overloaded on the Edge 530 and 830. But maybe you will like it after all.

2.6 new device: Edge 1060 2.5 select in settings alternating display avg - max power 2.4 The datafield attempts to retrieve PowerZones from the device. A message appears in the settings indicating whether the process was successful or not. 2.2 Adapting the heart rate zone colors to the Garmin style 2.1 switched to SDK 9 1.7.0a A new method for getting weather station data was introduced in the last update for modern Edge devices, which might lead to a crash. Code change tries to catch the error. 1.7.0 new device: EDGE 1050. If I have missed something, please use the "Contact Developer" link! 1.6.6 Bug Fix for Edge 1030 devices: fixed temperature show according temperature-settings (no other change) 1.6.5 From the automatically uploaded crash reports I see that from time to time there are problems due to incorrect user input in the setup. I have therefore secured the setup entries so that no incorrect entries are accepted. 1.6.0 Although I have not received any user messages about this, I have found 2 bugs in the automatic error upload list: -fixed possible problem when RPM is selected. 1.5.6 on user request: Temperature now to display on all devices. With notifications enabled, the sign for them is automatically minimazed to a red dot near to the phone sign. For touchscreen devices the temperature can be switched from intern (E) to weather station(S). 1.5.5 new features: -disable notification's envelope on display in setup. With enabled notifications: display reduced notification's envelope on touch screen devices -chose Edge intern temperature (E) or weather station temperature (S) in setup. On Edge 1040: with temperatur display enabled, switch between Edge's and weatherstation's temperature by tapping on temperature on top of datafield 1.5.1 new feature: chose Edge intern temperature or weather station temperature in setup added switch to disable notification envelope