(2) When a BEL code is received in the ASCII Mode.
d. A steady alarm will sound when:
(1) A message with a precedence of IMMEDIATE or higher has been received. When
message is printed, alarm automatically turns off.
(2) An ASCII character with a parity error is received (PARITY RESET lamp lights).
(3) Momentarily pressing PARITY RESET switch turns off alarm and light.