TM 11-5841-283-12/NAVAIR 16-30APR39-1
4-9. INSTALLATION OF PLUG-IN ITEMS.
Plug-in cards are contained in the comparator and receivers. No installation procedures are authorized
at the AVUM level.
4-10. PRELIMINARY SERVICING AND ADJUSTMENT OF EQUIPMENT.
Preliminary servicing and adjustment of the radar signal detecting set consists of a self-test and
system function test.
SELF-TEST
Perform a self-test to make sure the radar signal detecting set equipment is working properly. See
SYSTEM FUNCTION TEST
Perform the system function test to ensure system capability and circuit alinement. If you do not get
the indication required for any step, see Troubleshooting, chapter 4, section IV.
This task covers:
System function test of the radar signal detecting set.
INITIAL SETUP
Materials/Parts
Equipment Condition
Self-test completed and equipment
Headset
fully operational.
Personnel Required
Test Equipment
Two technicians
Radar Signal Simulator SM-674/UPM
NSN 694-01-031-5887
NOTE
See TM 11-6940-211-12 for operation instructions for the radar signal simulator.
4-11