4RF Aprisa SR+ - Page 140

140 | Managing the Radio
Aprisa SR+ User Manual 1.11.1
ADAPTIVE CODING MODULATION
Default Modulation
This parameter is used when ACM is enabled but the far end of the link has ACM disabled.
In repeater networks this parameter is always used as the transmit modulation for base to repeater and
repeater to base packets.
The default setting is QPSK (Low Gain).
Option
Function
QPSK (High Gain)
Sets the modulation to QPSK with Max Coded FEC.
QPSK (Low Gain)
Sets the modulation to QPSK with Min Coded FEC.
QPSK
Sets the modulation to QPSK with no FEC.
16QAM (High Gain)
Sets the modulation to 16 QAM with Max Coded FEC.
16QAM (Low Gain)
Sets the modulation to 16 QAM with Min Coded FEC.
16QAM
Sets the modulation to 16 QAM with no FEC.
64QAM (High Gain)
Sets the modulation to 64 QAM with Max Coded FEC.
64QAM (Low Gain)
Sets the modulation to 64 QAM with Min Coded FEC.