Rohde & Schwarz PR100 - Antenna (Only with Option Field Strength Measurement)

R&S PR100 User Manual
Manual Gain:
Setting up the Gain for the manual gain control. Adjustable from -30dBZV to
+110dBZV. Only active, if manual gain control is ON
7.1.2 Antenna (only with option Field Strength Measurement)
Antenna:
This menu-item allows you to select the connected Antenna.
Available Antennas by default:
HE-200 10kHz .. 20MHz,
HE-200 20 MHz .. 200 MHz,
HE-200 200 MHz .. 500 MHz,
HE-200 500 MHz .. 3 GHz,
HE-300 10kHz .. 20MHz,