Rigol DG4062, Руководство пользователя

Страница: 153 / 238

Chapter 8 Counter RIGOL
DG4000 User's Guide
8-3
To Set the Counter
You need to configure appropriate parameters for the counter.
1.
TrigSens
Set the trigger sensitivity of the counter. The default is 50% and the range
available is from 0% to 100%.
Press
TrigSens. Use the numeric keyboard to input the desired value and
select the unit "%" from the pop-up menu or use the direction keys and knob
to modify the current value.
2. TrigLevel
Set the trigger level of the counter. The system triggers and gets the
measurement readings when the input signal reaches the specified trigger
level. The default is 0V and the range available is from -2.5V to 2.5V.
Press
TrigLevel. Use the numeric keyboard to input the desired value and
select the desired unit (V or mV) from the pop-up menu or use the direction
keys and knob to modify the current value.
3. Imped
Press
Imped to set the input impedance of the counter to "50 Ohm" or
"HighZ" and the default is "HighZ".
4. Coupling
Press
Coupling to set the coupling mode of the input signal to "AC" or "DC"
and the default is "AC".
5. Atten
Press
Atten to set the attenuation coefficient of the input signal to "X1" or
"X10".
6. HFSuppre
High-frequency suppression can be used to filter out the high-frequency
components and improve the measurement accuracy in low-frequency signal