Managing the Radio | 97
Aprisa SRx User Manual 1.3.0
GENERAL
Channel Size (kHz)
This parameter sets the Channel Size for the radio (see ‘Channel Sizes’ on page 307 for Radio Capacities).
The default setting is 12.5 kHz.
Antenna Port Configuration
This parameter sets the Antenna Port Configuration for the radio.
Option
Function
Single Antenna
Single Port
Select Single Antenna Single Port if using one or two frequency half
duplex transmission. The antenna is connected to the ANT port.
Single Antenna Dual
Port (duplexer)
Select Single Antenna Dual Port if using:
(1) One or two frequency in half duplex transmission with an
external duplexer (for filtering) connected to the ANT/TX and RX
antenna ports and single antenna connected to the duplexer.
(2) Two frequency in half duplex transmission with an external
duplexer (for half duplex operation) connected to the ANT/TX and
RX antenna ports and single antenna connected to the duplexer.
(3) Single frequency in half duplex transmission with external dual
antennas, connected to the ANT/TX and RX antenna ports.
(4) Two frequency in half duplex transmission with external dual
antennas, connected to the ANT/TX and RX antenna ports.
The default setting is Single Antenna Single Port.