TM 11-6625-1696-12
CHAPTER 3
OPERATING INSTRUCTIONS
Section I. TEST FACILITY, TRANSMITTER
TS-2866(V)2/GRM-95(V)2 CONTROLS, INDICATORS, FUSES,
AND CONNECTORS
as AUT.
The transmitter test facility controls, indicators, fuses,
3-2. POWER Section Control and Indicators
and connectors are listed, with their functions, in
the AN/GRC-103(V) assembly under test is referred to
Control or indicator
Function
Switch S1
Set to ON, connects ac power to transmitter test facility. Set to OFF,
disconnects ac power from transmitter test facility. Provides circuit
breaker protection at 5-ampere rating.
AC indicator .................................................................
Lights when ac power is connected to transmitter test facility.
+ 12 V indicator ...........................................................
Lights when internal + 12 volt dc supply is operating.
+ 28 V indicator ...........................................................
Lights when internal + 28 volt dc supply is operating.
3-3. 26V SUPPLY Section Control, Indicator, Fuses, and Connectors
Control, indicator, fuse, or connector
Function
Switch S6
Set to ON, connects dc voltages to J59 and J14.
Set to OFF, removes dc voltages from J59 and J14.
Indicator
Lights when 6 volt and 26 volt dc supplies are on.
3A FUSE
Protects 26 volt dc supply at J14.
SPARE FUSE
Hold spare 3 ampere fuse.
Connector J59 6 V 10 ma
Provides 6 volt dc maximum current 10 ma, for use in external test
setups.
Connector J 13 COM
Provide 6 volt and 26 volt neutral return when S6 is set to ON.
Connector J 14 + 26 V
Provides 26 volts dc for use in external test setups.
3-4. METERING Section Control and Indicator
Control, indicator, fuse, or connector
Function
Meter M1
Indicates levels of internal power supply voltages and levels from
transmitter tests facility sections.
Switch S20 (15-position rotary switch)
Connects meter M1 to internal power supply voltages or to
transmitter test facility test sections.
Sw pos
Meter Indicator
S4 ...................................
Level from S4 section.
S12 .................................
Levels from S12 section.
S17 .................................
Levels from S17 section.
S21 .................................
Levels from S21 section.
S26 .................................
Levels from S26 section.
S28 .................................
Levels from S28 section.
S30 .................................
Levels from S30 section.
30 MHz DISCR................
RF level in discriminator.
+ 12 V .............................
+ 12 volt dc supply voltage.
+ 28 V .............................
+ 28 volt dc supply voltage.
3-1