She loaded a new configuration with care. The UI allowed fine-grained edits: step size down to 1 kHz, squelch thresholds with decimal precision, subtone codes that unlocked specific repeater nets. Mei created a channel called MARKET-NIGHT and set its TX power modestly, out of respect to the neighbors and the thrift of old hardware. The software made it easy to script channel scans and to write notes to specific memory entries; she typed a tiny annotation: “For repairs & music — M.”