Section I. OPERATING CONTROLS, INDICATORS, AND CONNECTORS
fuses for the test trays used in conjunction with the test
Note. This section covers only those items
The controls, indicators, connectors, and fuses on the
used when the equipment is being operated; items
front panel of the test set are listed maintenance of the
equipment are covered in paragraph 3-2. Paragraphs
used during tions given for the appropriate category
Test Set Controls, Indicators, and Connectors
Control, indicator, or connector
SERV SEL switch -----------------------------------------------
Controls +27-volt de primary power to test set in first four
positions (OFF, OVEN ON, STBY, and SSB/NSK), and
mode of operation of subassemblies, modules, or units of
AN/GRC-106, when connected to the test set.
+27-volt de primary power removed from all
a. +27-volt dc primary power to regulator
section of dc-to-dc converter and reg
b. +27-volt dc primary power for OVEN ON.
c. +27-volt de primary power to REC/XMIT
switch S4 contact terminal 9, for RCVR +27
a. All OVEN ON functions repeated.
b. +27-volt dc primary power for STBY and all
c. PA/RT switch contact terminal 5, section C,
grounded, in STBY and OPER.
a. All STBY and OVEN ON functions repeated.
b. PA/RT switch contact terminal 2 and contact
terminal 5, section C, grounded, for +27 V
+27-volt dc primary power for DC OPR.