TM 11-5895-846-14
Table 3-11 LNA Control/Translator, Operator's Control and Indicators
Item
Fig.
No.
Control, indicator or connector
Function
reference.
12
MONITOR Selector Switch
Provides for switching of signals to MONITOR meter for fault
isolation purposes.
13
STBY LNA TESTILNA NORMAL Indicator
Illuminates to indicate that LNA under test is normal when
TEST switch is in ON position.
14
STBY LNA TEST/TEST Switch
ON position.
15
STBY LNA TEST/TEST OSC Indicator
Illuminates to indicate the above test oscillator is in operation.
16
POWER Switch
Applies ac power to the LNA when in the ON position.
17
TEST/PARAMP Switch (spring-loaded)
When held in ON position, disables paramp section of LNA to
test fault circuits. If test is ok, FAULT indicator will be
illuminated.
18
TEST/FET Switch (spring-loaded)
Disables FET section otherwise same as paramp section
above.
19
HI HEAT Switch
Places high heat circuit of LNA in operation when in ON
position.
Table 3-12. AC Regulator Monitor Panel, Operator's Controls and Indicators
Item
Fig.
No.
Control, indicator or connector
Function
reference.
AC REGULATOR MONITOR PANEL SM-D-936692 (AC RGLTR MON PANEL)
1
REGULATED 115 VAC ATTACH HP
Provides 115 Vac for the HP 436A power meter.
436A ONLY outlet
2
VR MONITOR meter
Provide ac voltage regulator monitoring.
3
FAULT RESET Switch
Provides regulator reset for drop-out caused by a temporary,
minor fault.
4
VR FAULT Indicator
When illuminated, indicates a voltage regulator fault.
Table 3-13. TTY/Low Level COMM Patch Panel, Operator's Controls and Indicators
Item
Fig.
No.
Control, indicator or connector
Function
reference.
PATCH PANEL, TTY/LOW LEVEL COMM SM-A-935861 (TTY/LL COMM PATCH PANEL)
1
CUT KEY Indicator and
Provides for detecting and switching transmit and receive
Switch Group
circuits of the FSK and low level output circuits.
2
KEY/CONV Jacks
Provides patching for four pairs of FSK transmit and receive
channels for EQPT, LINE, and MON circuits.
3
LOW LEVEL OUTPUT
Provides patching for five pairs of low level output transmit and
Jacks
receive channels for EQPT LINE, and MON circuits.
4
TTY/DATA TRUNK
Provides patching for six pairs of TTY/data trunk transmit and
Group
receive channels for EQPT,LINE, and MON circuits.
5
POS BAT Jacks
Provides jacks for four positive battery voltage outputs.
6
SERIES PATCH-1 jacks
Provides two pairs of jacks for series patch-i.
7
SERIES PATCH-2 jacks
Provides two pairs of jacks for series patch-2.
8
2500 Ohm TO GND jacks
Provides four jacks for 2.5K ohm ground terminations.
9
PARALLEL PATCH-2 jacks
Provides four jacks for parallel patch-2.
10
PARALLEL PATCH-1 jacks
Provides four jacks for parallel patch-i.
11
NEG BAT jacks
Provides jacks for four negative battery voltage outputs.
12
POLARITY REVERSING jacks
Provides nine outputs for polarity reversing.
13
AJ MODEM Jacks
Provides patching for AJ modem functions.
14
LOCAL TTY Jacks
Provides patching for local TTY functions.
15
LIU LOW LEVEL jacks
Provides patching for input/output connections and monitoring.
16
USER LOW LEVEL jacks
Provides patching for input/output connection and monitoring.
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