1 Merino is one of the softest types of wool available, because of finer fibers and smaller scales.  Merino has an excellent warmth-to-weight ratio compared to other wools, in part because the smaller fibers have microscopic cortices of dead air, trapping body heat similarly to the way a sleeping bag warms its occupant.
Transistorâtransistor logic (TTL) is a class of digital circuits built from bipolar junction transistors (BJT) and resistors.
It is called TTBF which stands for Total Transmit Bandwidth Frequency. Once enabled, it will extend your transmit bandwidth right out to 4kHz. You may need to re-EQ your mic to tailor it to this new bandwidth. To enable TTBF, turn the radio ON while holding in DNF on the CENTER VFO-A and DNR on the FAR RIGHT VFO-B.