static std::string format_hz (float freq) {
std::stringstream ss;
if (freq >= 10000) {
- ss << std::setprecision (1) << std::fixed << freq / 1000 << "KHz";
+ ss << std::setprecision (1) << std::fixed << freq / 1000 << "kHz";
} else if (freq >= 1000) {
- ss << std::setprecision (2) << std::fixed << freq / 1000 << "KHz";
+ ss << std::setprecision (2) << std::fixed << freq / 1000 << "kHz";
} else {
ss << std::setprecision (1) << std::fixed << freq << "Hz";
}