I was always on 16QAM. Only noticed it had switch to QPSK when the BB lost it's upstream last week.
It's fixed now but I notice I am still on QPSK. Still it's working alright
so I don't care.
Upstream Lock : Locked
Upstream Channel ID : 1
Upstream Frequency : 45800000 Hz
Upstream Modulation : QPSK
Upstream Symbol Rate : 5120 Ksym/sec
Upstream transmit Power Level : 55.2 dBmV
Upstream Mini-Slot Size : 2