Simulated Forced Penetration Test

*NOT SUPPLIED

NOTE

TAMPER LOOP NEED NOT BE

CONNECTED FOR LOCATION TESTING.

ME 6350-262-14/2/2-3

Figure 2-3. Receiver location - test setup.

2-8. Simulated Forced Penetration Test

each receiver is adjustable over a range of approxi-

mately 20 dB. Thur the relative sensitivity of

The simulated forced penetration test must be

individual receivers can be adjusted to compensate

performed at each receiver location. This test verifies

for differences in locations. To maximize system

the adequancy of the receiver location for detecting

signal-to-noise ratio it is desirable to operate the

forced penetration through the most likely areas of

receiver requiring the highest sensitivity near

entry.

maximum gain.

a. Pretest Conditions. All test should be conducted

(1) Set the receiver GAIN control (fig. 1-1) to 8.

in the worst case situation with background turbul-

(2) Set the processor SENSITIVITY control (fig.

ence at its maximum anticipated level. Air con-

1-1) to an initial setting of 1.

ditioners, heaters, and machinery that would nor-

(3) In the processor, insure that the band

mally operate during the hours that protection is

rejection filter is bypassed (out of the circuit). When

required should be turned on.

bypassed, terminals 2 and 3 of TB3 (fig. 1-1) are

b. Pretest Adjustment. The sensitivity range of

jumpered together.

the processor is adjustable over a range of 24 dB and

2-5