C model
press and hold “STOP” + “Setting” + “left” for at least 4 seconds
S model
press and hold “STOP” + “down” for at least 4 seconds
press and hold “STOP” + “Setting” + “left” for at least 4 seconds
press and hold “STOP” + “down” for at least 4 seconds
for my MS1800 (2015) this seems not to work. Tried dozens on times with no luck. Is there some kind of trick involved?
Please try to press and hold “up”, “down” & “STOP” for at least 4 seconds
Likely some isuse with STOP switch, holding down and repeatedly pressing STOP solved the problem.