Quantcast Table 2-1. Operator's Controls. (cont) - TM-1-6625-735-140043

 

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Table 2-1. Operator's Controls. (cont) - TM-1-6625-735-140042
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TM-1-6625-735-14 Test Set Stabilization System P/N 70700-20650-050 Manual
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Table 2-1. Operator's Controls. (cont) - TM-1-6625-735-140044
TM 1-6625-735-14
Table 2-1.
Operator's Controls. (Cont)
CONTROL, INDICA-
TOR, TEST POINT, OR
CONNECTOR
FUNCTION
YAW RATE Simulator
Provides capability for simulating SAS amplifier dc yaw rate output signals.
This simulation signal is used for testing rate/lagged rate and washout func-
tions of SAS amplifier yaw channel. SAS amplifier dc yaw rate output can be
monitored at test set YAW RATE test point.
SIM Test Point
Provides monitoring capability for SAS amplifier dc yaw rate simulation sig-
nal. When mode selector switch is at SIM 1 or SIM 2, SIM test point is con-
nected to YAW RATE TESTtest point.
L/R Control
Supplies variable dc simulation signals through selected positions of mode
selector control to SAS amplifier. From 0 vdc reference, turning control L sup-
plies negative voltage to SIM test point, and turning control R supplies posi-
tive voltage to SIM test point. Control can be turned 10 complete turns from
each mechanical stop.
Mode Selector Control
NORM position disconnects variable dc simulation signal selected by L/R con-
trol from SAS amplifier. When control is moved from SIM 1 to NORM, one
polarity of bipolar gain of SAS amplifier washout function can be checked.
SIM 1 connects SIM test point to YAW RATE TEST test point. When control
is moved from SIM 2 to SIM 1, one polarity of bipolar gain of SAS amplifier
washout function can be checked. SIM 2 bypasses SAS amplifier washout
function, allowing proportional gain of rate/lag rate function of SAS amplifier
to be checked using L/R control. Bipolar gain check of SAS amplifier washout
function can be done by selecting steady state dc simulation voltage, using L/R
control with mode selector control at SIM 2 and monitoring decay time of
SAS amplifier response when mode selector control is moved to SIM 1 and
then to NORM. SIM 2 also connects SIM test point to YAW RATE TESTtest
point.
ROLL ATT Simulator
Provides capability for simulating or monitoring No. 2 vertical gyro-roll three-
wire output signal. This simulation signal is used for testing stability augmen-
tation system (SAS) amplifier roll proportional, derived rate, and rate/lagged
rate plus proportional functions.
X, Y, and Z SNSR Test
Provide monitoring capability for three-wire roll signal output of No. 2 vertical
Points
gyro. When mode selector control is at NORM, X, Y, and Z SNSR test points
are connected to X, Y, and Z SIM test points, respectively.
X, Y, and Z SIM Test
Provide monitoring capability for No. 2 vertical gyro-roll three-wire output
Points
simulation signal when mode selector control is at SIM 1 or SIM 2. When
mode selector control is at NORM, X, Y, and Z SIM test points are connected
to X, Y, and Z SNSR test points, respectively.
Supplies variable three-phase ac simulation signal through SIM 1 and SIM 2 of
mode selector control, and through test set connector J3 to SAS amplifier. This
simulation signal can be monitored at X, Y, and Z SIM test points.
2-26

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