Method cmdPC

src/core/SmartCatProtocol.cpp:749–759

// ── PC / ZZPC — RF power drive level (0-100, 3-digit) ───────────────────────

QString SmartCatProtocol::cmdPC(const QString& arg)
{
    TransmitModel& tx = m_model->transmitModel();
    if (arg.isEmpty())
        return "PC" + fmt3(tx.rfPower()) + ";";
    bool ok;
    int v = arg.toInt(&ok);
    if (!ok || v < 0 || v > 100) return "?;";
    tx.setRfPower(v);
    return {};
}

QString SmartCatProtocol::cmdZZPC(const QString& arg)
{