Atec Advantest-R3131 - Manual (Page 4)

Independent operation keys improve operability
AUTO TUNE
Searches for the signal with the maximum
level within the 3 GHz band and sets the
center frequency automatically. Then,
reproduces the setting which existed
immediately before execution of AUTO
TUNE, allowing observation under the same
measurement conditions.
COUNTER
Performs frequency measurement with the
built-in frequency counter simply by moving
the marker to the signal. You can select a
measurement resolution from 1Hz up to
1kHz. The measurement results are displayed
with enlarged characters, for easy viewing.
4 R3131-2E Apr. ´98
AUTO
TUNE
COUNTER