TM 55-4920-328-13
Table 2-5. Function of Controls and Indicators –Continued
INDEX AND
REFERENCE
FIGURE NO.
NOMENCLATURE
DESIGNATION
FUNCTION OR INDICATION
DIAGNOSTIC SUB-MODULE (figure 1-22)-Continued
13, figure
ON-OFF switch
Part of
Used to energize the internal circuitry
1-22
1A9
of the thermocouple junction 1A9 (11,
figure 1-22).
ANALYZER SUB-MODULE (figure 1-23)
1, figure
GAS PRODUCER
Part of
Monitors gas producer (N1) speed and
1-23
Speed Monitor Unit
2A1
reads out in percent of full scale rpm.
2, figure
DISPLAY
Part of
Selects the display time interval (0.2 to
1-23
Control
2A1
5.0 seconds, or hold) for NI rpm read-
out on the GAS PRODUCER speed
monitor unit (1, figure 1-23).
3, figure
FUNCTION
Part of
Selects the TEST mode or RUN mode
1-23
Control
2A1
for self-check or operation, respectively,
of the GAS PRODUCER speed monitor
unit (1, figure 1-23).
4, figure
SENSITIVITY
Part of
Used to adjust sensitivity of GAS PRO-
1-23
Control
2A1
DUCER speed monitor unit circuitry.
5, figure
K FACTOR
Part of
Used to insert K factor correction data
123
Pre-set
2A1
into the circuitry of the GAS PRO-
DUCER speed monitor unit (1, figure 1-
23) to read out in percent full scale.
6, figure
POWER TURBINE
Part of
Monitors power turbine (Nil) speed and
1-23
Speed Monitor Unit
2A1
reads out in percent of full scale rpm.
2-21
