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|  MIL-T-85472A(AS)
b. The combined duration of Steps 4 and 5 shall not be less
than 12 hours, at least 6 of which shall be in the
stabilized condition prior to conducting tests.
Step 7 - The test set shall be operated for a period of at
c*
least 2 hours in the stabilized condition before the Step 7
tests are performed.
The test set group shall be subjected to vibration tests in
4.9.2 Vibration.
accordance with Method 514.2, Procedure X, of MIL-STD-810. The equipment
shall not be energized during vibration exposure of MIL-S-901.
4.9.3 Shock. The test set group shall be subjected to the Grade A, Type A,
Class I, shock test of MIL-S-901.
4.9.4 Humidity. The test set group shall be humidity tested in accordance
with Method 507.1, Procedure IV, of MIL-STD-810, except as follows:
a.
Step 5 - The test set performance measurements shall be made
at +50
Step 9 - The test set shall be carefully examined to detect
b.
evidence of physical degradation. Blistering or organic
coatings shall be cause for rejection.
4.9.5 Fungus. The test set group shall be subjected to a fungus test in
accordance with Method 508 of MIL-STD-810.
4.10 Warm-up time. After being energized 10 minutes, verify that the test
set group meets the operational requirements of 4.5.1.2.
4.11 Primary input power tests. The test set shall be subjected to Steady
State Voltage and Frequency Tests of MIL-E-16400.
4.11.1 Electrical overload protection test. The test set shall be tested for
electrical overload protection in accordance with Requirement 8 of MIL-STD-454
for Class 1 equipment.
4.12 Electromagnetic interference (EMI) tests.
The following EMI tests shall
be performed in accordance with MIL-STD-462.
This test shall be performed
4.12.1 Conducted susceptibility, power leads.
in accordance with MIL-STD-462, Method CS02.
4.12.2 Conducted -emission, power leads. This test shall be performed in
accordance with MIL-STD-462, Methods CE02 and CE04.
4.12.3 Conducted emission, control and signal leads. This test shall be
performed in accordance with MIL-STD-462, Methods CE03 and CE05.
4.12.4 Radiated susceptibility. This test shall be performed in accordance
with MIL-STD-462, Methods RS01, RS02, and RS03.
This test shall be performed in accordance with
4.12.5 Radiated emission.
MIL-STD-462, Method RE02.
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