TM 11-6625-3041-30/TO 33A1-8-908-12
2-6.
SG-1139 CHECK PROCEDURE (CONT)
Step Balanced
Set controls as
q
follows:
15
NRZ BER
POWER . . . . . . ON
TIMING . . . . . MASTER
DATA RATE . . 128
Keep cables con-
nected. Press
RESET DISPLAY, then press SINGLE ERROR rapidly 10 times (all
presses must be done within 6 seconds):
BER indicators
must blink.
Then, after
7 to 8 seconds,
yellow marginal
indicator
must light.
Wait 7 to 8 seconds
Green GO
indicator
must light.
Disconnect BALANCED DATA IN from BALANCED DATA OUT:
ERRORS display
must increase
count rapidly.
Red NO GO
indicator
must light.
If all parts
of this step pass,
proceed to step 16.
Keep remaining cables connected.
This step checks the following:
Receive 2 card . . . Red circuit
Yellow circuit
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