Amprobe AM91RS Digital-Multimeter - Manual (Page 9)

8
DC, AC, AC + Hz mV functions
Defaults at DC. Press SELECT button momentarily to select AC. Press SELECT button
momentarily again to select AC + Hz.
DC, AC, AC + Hz Adapter functions
The operation of Adapter function is similar to the mV function. Defaults at DC. Press
SELECT button momentarily to select AC. Press SELECT button momentarily again to
select AC + Hz. Adapter function is of extra high input impedance up to 1000M
Ω , and
there is no decimal point on the digital display. It can cope with most voltage output
sensors/ transducers with the highest sensitivity and the least current drain.