User manual
Art. 55-106 M101
Rev. 0 03.2019
pag.
31
Offel s.r.l.
Via Lato di Mezzo, 32 48022 Lugo RA - Italy Tel. +39 0545/22542 [email protected]
www.offel.it
FULL / EMPTY: you can see the levels in the SPECTRUM screen as full or empty (fig. 176).
MASK SAVE: it is possible to save the measurement with the MASK SAVE function when measuring the spectrum,
then use the MASK LOAD function to recall it and use it as a reference (fig. 177).
SAVE TO USB: it is possible to save the measured values as a table * .CSV on USB.
EDIT BUTTON: in the SPECTRUM screen it is possible to manually change the display parameters by pressing
the EDIT button
(fig. 178).
IF FREQ: it is possible to see the frequency on which the marker is positioned.
SPAN: you can select the desired frequency range on the screen.
REF .: it is possible to select the highest measuring point.
RANGE: it is possible to select the level range of the signal to be measured.
Fig. 178
9.2 GSM900 SPECTRUM - 900 MHz band
Fig. 179
To measure the 900 MHz band, select GSM900 SPECTRUM and press the ENTER button (fig. 179). Make sure the
instrument is connected to an antenna suitable for the reception of the 900 MHz band.
Fig. 180
In the above ranges of the GSM900 display it is possible to see the downlink signals of the operators (fig. 180).
To measure the signal levels move the red marker with the RIGHT / LEFT buttons.
It is possible to complete the measurement after capturing the cleanest and highest signal level in the entire spectrum
band.
LEVEL KEY: in this screen, once the LEVEL button is pressed, the C / N value will be displayed (fig. 182).
Fig. 181
Fig. 182
