def frequency(self, val):
if val not in [100, 120, 1e3, 10e3, "100", "120", "1k", "10k"]:
raise ParameterError("Frequency must be either '100', '120', '1k' or '10k'")
self._frequency = val
try:
val = unit_convert(val, 1, 200)
except TypeError:
pass
self._write("FREQ {}".format(val))
def range(self, val):
rng = unit_scale(str(val))
if not rng == round(rng, -int(floor(log10(rng)))):
raise ParameterError()
if str(rng)[0] != "2":
raise ParameterError()
if not 2000e-9 <= rng <= 200e6:
raise ParameterError()
self._range = val
self._write("RANG {}".format(unit_convert(rng, 2, 2000)))
