6.9 Other settings
Narda NBM-550 75
6.9 Other settings
Where necessary, you can make other settings in the same
way as for HF probes. There are some restrictions for
certain functions; these are explained below. Detailed
descriptions are found in the chapters indicated.
Unavailable functions
The following functions available in HF mode are not
available in LF mode:
• Auto zero
• Correction frequency
• Spatial average value
• Conditional storing of results (but timer controlled storing
is possible; see “Storing measured values” on
page 75.)
The alarm function
The alarm function can be used without any restrictions.
See “Activating the alarm function” on page 57.
Note: The alarm thresholds for HF and LF modes are saved
separately in a setup. This also applies to the E-field and H-
field thresholds in LF mode.
Storing measured values
You can only record wideband values or highest spectral
values using timer controlled storage in LF mode with the
EHP-50. It is not possible to use the conditional storage
function.
See “Recording measurements by timer control” on
page 80 for more information.
The selected time interval is temporarily increased
automatically in LF mode if the measuring time of the
EHP-50 makes a longer interval time necessary. The
interval time menu parameter is not changed though. This
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