R&S FSH Setting the Amplitude Parameters
1309.6275.12 4.9 E-2
Entering the display unit
Press the AMPT key.
Press the UNIT softkey.
A submenu opens. The various unit options for the
reference level are displayed.
Using the rotary knob or the cursor keys, select the
unit you want and confirm by pressing the ENTER
key.
The reference level unit is immediately set on the
R&S FSH.
Entering the reference offset
Press the AMPT key.
Press the REF OFFSET softkey.
Using the number keys, enter a reference offset and terminate the entry with one of the unit keys or
the ENTER key, or
Change the reference level using the rotary knob or the cursor keys.
The reference offset unit is always dB – no matter what unit is used for the reference level.
To indicate that a non-zero reference offset has been
set, a red circle is placed before the reference level
readout.
Entering of the RF-Attenuation
Press the AMPT key.
Press the RF ATT / AMP / IMP softkey.
The R&S FSH opens a sub-menu, in which
RF ATTENUATION, RF PREAMPLIFIER and
RF IMPEDANCE can be selected.
The HF attenuation can be preset at your discretion to
between 0 dB and 40 dB in 5 dB steps ("Man:" entry),
or set automatically to low sensitivity to interfering
signals ("Auto Low Distortion" setting) or to high input
sensitivity ("Auto Low Noise" setting).
Using the rotary knob or the cursor keys, select the
desired entry and confirm with the ENTER key.
Note: If the item 'Man:' is selected, a red dot is
displayed in front of the RF attenuation
output field ('Att.').