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(6) Antenna Gain
Antenna gain setting is to determine the total gain of the external antenna
system. With a correct setting, the apparatus can calculate the actual field
strength within the resolution bandwidth with field strength unit switched to
dBμV/m. Note that other field strength unit doesn't work whis way. If the user
want to pair with external attenuators and amplifiers, press LEV button and
set those parameters in "Amplitude Shift".
3.2 Receiver / Field-Strength Meter
Receiver is designed to measure the level of a signal as well as to
demodulate and monitor it. In receiver mode, spectrum can also be displayed,
however there are 4 major differences compared to spectrum mode.
(1) Gain and attenuation are irrelevant with REF in the spectrum by default.
Gain and attenuation are set automatically according to the strength of the
signal, to be precise, according to the total power within the entire sampling
bandwidth. The user can also set it to be relevant to REF, or even set it to be
full manual.
(2) It comes with level or field strength display. Bandwidth measurement is
not based on the Gaussian filter in the spectrometer, but on the rectangle
filter.
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