[all] Issue 17 fixed (lowercase is now the default)

[all] Issue 28 fixed (10 beeps on countdown during the last 10 seconds)
[all] Issue 37 fixed (Pwr+) added
[all] Issue 39 fixed (Potscroll too slow)
[Taranis] Bug with delays on 3 states switches
[Taranis/sky9x/gruvin9x] Date & Time not always saved

src/gui/menu_model.cpp

@@ -758,7 +758,7 @@ void editName(uint8_t x, uint8_t y, char *name, uint8_t size, uint8_t event, uin
       if (p1valdiff || IS_ROTARY_RIGHT(event) || IS_ROTARY_LEFT(event) || event==EVT_KEY_FIRST(KEY_DOWN) || event==EVT_KEY_FIRST(KEY_UP)
           || event==EVT_KEY_REPT(KEY_DOWN) || event==EVT_KEY_REPT(KEY_UP)) {
          v = checkIncDec(event, abs(v), 0, ZCHAR_MAX, 0);
-         if (c < 0) v = -v;
+         if (c <= 0) v = -v;
       }
 
       switch (event) {