Mic kill receive, Set dip switch 1 to the open position, Set dip switch 1 to the closed position – Telex SS-1002 User Manual

Page 10: Call signal compatibility, Verify dip switch 2 is in the open position, Set dip switch 2 to the closed position, Incoming call beep, Microphone type, Set dip switch 4 in the open (default) position, Set this switch to the closed position