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Page Title:
CHAPTER 3 OPERATING INSTRUCTIONS |
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 TM 11-6625-937-12
CHAPTER 3
OPERATING INSTRUCTIONS
3-1. Indicator, Channel Alignment ID-1189/PR, Operating Controls, Indicator, and Jacks
(fig. 3-1,3-11, 3-19)
Function
Controls, indicator, and jacks
Top scale ALIGN. Used as an indicator during AN/PRR-9
Meter-----------------------------------------------------------------------
and AN/PRT-4 alignment procedures.
Bottom scale BAT. TEST, GOOD-BAD. Use as an
indicator during battery testing procedures.
a
BA4534 scale indication used to test BA-4534/U.
Receptacle for testing the BA-505/U.
RCVR BAT. Receptacle----------------------------------------------
Sets internal oscillator to desired frequency for aligning the
FREQUENCY MC control--------------------------------------------
AN/PRR-9.
Receptacle for testing AN/PRT-4 Battery BA-399/U.
XMTR BAT. Receptacle-----------------------------------------------
Plugs into AN/PRR-9 headset jack for output measurement
RCVR OUTPUT cord and plug--------------------------------------
during AN/PRR-9 alignment.
Turns off power in alignment indicator when case cover is
SAFETY SW Switch (spring-loaded)
closed. Not used in testing or alignment procedures.
(Early ID-1189/PR models only.)
Holds AN/PRT-4 during part of alignment procedure.
XMTR ALIGN. Receptacle-------------------------------------------
Holds AN/PRR-9 electronic assembly during part of
RECEIVER ALIGNMENT receptacle------------------------------
alignment procedure.
Receptacle for ID-1189/PR antenna for AN/PRR-9
RCVR ANT jack---------------------------------------------------------
alignment.
Position
FUNCTION switch------------------------------------------------------
XMTR
Selects applicable circuit when aligning
related section of AN/PRT-4.
OFF
Turns ID-1189/PR power off.
VFO
Vco circuit tuning.
RF
Rf circuit tuning.
ANT
Antenna loading coil tuning.
INT BAT.
Selects circuit for testing ID-1189/PR
battery.
RCVR
Selects applicable circuit when aligning
related section of AN/PRR-9.
OSC
Oscillator tuning.
COARSE RF
Rf circuit tuning.
FINE RF
Rf circuit tuning.
SQUELCH
Squelch circuit adjustment.
ANT.
Antenna loading coil adjustment.
RCVR
Used to test receiver battery.
BAT. TEST switch (spring-loaded, push to activate)--
XMTR
Used to test AN/PRT-4 Battery BA-
399/U.
Controls signal level to AN/PRR-9 during AN/PRR-9
RCVR TEST SIG. Rotary switch------------------------------------
alignment.
Receptacle for ID-1189/PR antenna when tuning AN/PRT-4
XMTR ANT jack---------------------------------------------------------
antenna loading coil.
Connects to various test points for AN/PRT-4 and AN/PRR-
TEST PROBE ----------------------------------------------------------
9 alignment.
Holds AN/PRR-9(XE-9) during part of alignment procedure.
a
RECEIVER ALIGNMENT adapter.....................................
Plug-in receptacle for testing BA-4534/U.
a
Battery adapter..................................................................
Used to test tone squelch circuit of AN/PRR-9(XE-9).
a
SQELCH ON switch..........................................................
Change 5 3-1
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