AEMC OX 7102 III, User Manual

Page: 109 / 226

Multimeter Mode - The "Vertical" Menu
SCOPIX V - 109
Multimeter Mode (cont'd)
Autorange


When this option is selected, the measurement range changes
automatically.
The "

" symbol shows that it is active.
If the option is disabled, the range can be modified manually, using the
keys opposite or the "Range" menu, depending on the type of
measurement being performed.
Coupling




Modification of the AC, DC or AC+DC coupling for amplitude measurement.
AC : AC voltage measurement
DC : DC voltage measurement
AC + DC : Measurement of AC voltage with a DC component
For AC and AC+DC measurements, the menu "Display

Frequency" can
be used to display the frequency of the signal in the secondary display field.
The "

" symbol indicates the type of coupling selected.
The coupling is updated in the modified channel parameter display zone.
Bandwidth limit
If the channel measures an AC or AC+DC voltage (see Coupling ), it is
possible to filter the signal with a low-pass analogical filter whose cut-off
frequency is 5 kHz.
The other proposed filter is a digital filter to 625Hz, if this filter is selected,
the analog filter at 5kHz is also activated.
The digital filter characteristics are:
Low-pass filter
Cutoff frequency ..................................................................... 625Hz
Order ............................................................................................. 94
Passband ripple ....................................................................... 0.5dB
Transition band ........................................................................... 0.02
Stopband attenuation ............................................................ 50.0dB
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