MTR-3B How to restore default values? Home › Forums › QRP Transceivers › MTR-3B How to restore default values? This topic has 0 replies, 1 voice, and was last updated 6 years ago by DL4ROB. Viewing 1 post (of 1 total) Author Posts September 2, 2017 at 5:22 am #3615 DL4ROBMember Hi all, I am trying to reset the default values for keyer speed and startup frequencies. Like described in the manual, I press <Fn> when I switch it on. But then CR is displayed and played in CW. It looks more like the calibration mode. What did I do wrong? T73 de Robert, DL4ROB Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In