Normal heat generation. The PBY37 has a safe operating temperature up to 113°F (45°C). Fix: If it’s too hot to touch, stop using it. Unplug both ends. Let it cool for 1 hour. If it persists, the battery cell may be failing (warranty replacement needed).
She dug deeper into the manual. There was a section on pairing the device with a companion app—an oddity, the manual insisted, for a device designed to be tactile and stubbornly analog. There were diagrams for disassembly and a short troubleshooting list that mentioned an “Error E7: Echo Overlap.” Someone, the manual hinted, had used the PBY37 to collect not just sound but the essence of places. The notes in the margins—maps drawn in shorthand, a star marking a street corner—whispered a scavenger’s itinerary.