Connecting to SCPI oscilloscope at /dev/ttyACM0:115200 with dtrEnable=false
Warning: Unexpected response "" to command string "version".
Version = ^M:?^Mch>?
Warning: Unexpected response "^M^M:?^Mch>?^Mch>^M:?^Mch>?^Mch>^M:?^Mch>?^Mch>" to command string "info".
Model = ^M^M:?^Mch>?^Mch>^M:?^Mch>?^Mch>^M:?^Mch>?^Mch>?
Warning: Unexpected response "^Minfo" to command string "sweep".
Found sweep start 3624914259776141904 / stop 7956830687582124378.
Warning: Unexpected response "^M^M:?^Mch>?^Mchsweep" to command string "rbw".
Found rbw value = 1635016960 Hz.