Power on the device or navigate to / System Upgrade in the settings menu.
The file appears to be a firmware update package for an Automatic Transfer Switch (ATS) , likely associated with a solar power system or backup generator controller . While the exact manual for this specific version is not publicly indexed, this file format and naming convention are typically used for industrial or residential electrical controllers like those from manufacturers like GEYA or Growatt . Common Firmware Update Procedure GF271022-ATS-U1.45.3.26-ELA.rar
: Wait for the update to complete (usually 3–5 minutes). The device will typically notify you or reboot automatically when finished. Owner's Manual Automatic Transfer Switch - Generac Power on the device or navigate to /
Insert the drive into the device's USB port while it is powered off or through its administration menu. Common Firmware Update Procedure : Wait for the