TM 55-1520-240-23-9
11-277
BENCH TEST AFCS COMPUTER (AVIM)
(Continued)
11-277
321.
Set METER RANGE switch (7) to 20V.
322.
Set METER switch (6) to AC.
323.
Set CIRCUIT SELECT TENS switch (8) to 20.
324.
Set CIRCUIT SELECT B UNITS switch (11) to 6.
325.
Set CIRCUIT SELECT A/B SELECT switch (9)
to B.
326.
Adjust ANALOG SIGNALS PITCH ATT HSI HDG
pot. (42) through 500 toward 100 until AC/DC
VOLTMETER (10) reads +8.88.
327.
Set METER switch (6) to DC.
328.
Set METER RANGE switch (7) to 2V.
329.
Set CIRCUIT SELECT TENS switch (8) to 10.
330.
Set CIRCUIT SELECT A UNITS switch (18) to 4.
331.
Set CIRCUIT SELECT A/B SELECT switch (9)
to A.
332.
Adjust ANALOG SIGNALS ATT synchro (38)
toward 190 until AC/DC VOLTMETER (10) reads
0 or obtain a NULL. Read ATT synchro dial
setting. Reading shall be 187.3º to 189.8º.
11-1100
