TM 11-6625-3041-12/TO 33A1-8-908-1
EXAMPLE OF TESTING (cont)
2-8.
SG-1139
Set controls as follows:
POWER . . . . . ON
TIMING . . . . As required
DATA RATE . As required
DATA IN and TMG IN indicators will be lit. FAULT indicator
will not be lit. If indications are not proper, setup is
improper or Multiplexer is faulty.
Press SINGLE ERROR several times:
ERRORS display will advance one count each time SINGLE ERROR
is pressed, which indicates setup is proper.
q Press
RESET DISPLAY:
Display will read 0. Display will remain O or will advance
count very slowly if Multiplexer is operating properly.
Green BER indicator will be lit if Multiplexer is operating
properly.
2-28