Operating basics
AFG1022 Quick Start User Manual
47
10.
Press
Counter
to display
the Counter
submenu.
Connect the signal to the
connector [Ref Clk/Counter
In] on the rear panel. Press
Settings
to display the
submenu.
11.
Press
Coupling
to select AC
or DC as coupling mode.
12.
Press
Sens
to select Low,
Middle and High. For low
amplitude signal, the “Middle”
or “High” sensitivity should be
used. For low frequency
signal with high amplitude
and slower rising edge, low
sensitivity is a better choice.
13.
Press
HFR
to select ON or
OFF. High frequency restrain
is used for filtering the high
frequency signal in
measuring the low frequency
signal, and improve the
measure accuracy.
To measure low frequency
signal lower than 1 kHz, you
should put on the high
frequency restrain to filter
out the high frequency noise.
To measure high frequency
signal higher than 1 kHz,
you should turn off the high
frequency restrain.
14.
Press
Trigger Level
. Use the
general purpose knob to
adjust the value on the
current cursor, use / to
move cursor. You can also
use the numeric keypad to
adjust the parameter and
then select unit. The range of
trig level is -2.5 V to +2.5 V.