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Controls and Features
24
Controls and features
Item
Description
Bandwidth limit button andindicators
Press the button to limit the probe
bandwidth to 5 MHz. The 5 MHz filter
assists in the characterization and
testing of power supplies in switch
mode by removing all high frequency
content, noise and harmonics from the
measurement. 5 MHz is close to the
switching frequency of most switching
transistors (FETs) in switch-mode power
supplies.
Press the button again to return to
the Full position, which selects the full
specified bandwidth of the probe.
Audible Overrange On/Off buttonand
indicators
Press the button to enable the audible
alarm (the ON LED lights). The audible
alarm indicates that the measured signal
exceeds the selected range.
Press the button again to disable the
audible feature (the OFF LED lights).