CHAPTER 2 OPERATING INSTRUCTIONS - TM-5-6350-264-14-P-20012

TM 5-6350-264-14&P-2

NAVELEX EE181-AA-OMI-030/E121 RT1161 M9443

T.O. 31S9-2FSS9-1-2

CHAPTER 2

OPERATING INSTRUCTIONS

Section I. OPERATING INSTRUCTIONS

2-3.

EMERGENCY OPERATION. Operation with

2-1. CONTROLS AND INDICATORS. There are no

incomplete surveillance coverage or faulty tamper

operator controls or indicators applicable to this

circuit should be held to a minimum. Extended periods

equipment.

of operation on battery (standby) power should be

2-2. NORMAL OPERATING PROCEDURES. The UMS

avoided.

is ready for operation after the Transceiver(s) and

2-4. UNUSUAL OPERATING CONDITIONS.

Processor are installed, tested, and connected to the J-

Relocation of files, cabinets and partitions, or operation

SIIDS Control Unit. Since the startup and shutdown of

of new or faulty equipment within the protected area, will

the UMS are dependent upon the presence or absence

affect system sensitivity.

of power from the J-SIIDS Control Unit, no operating

procedures are required.

Section II. THEORY OF OPERATION

2-5. FUNCTIONAL DESCRIPTION. The Processor

Processor, and compared to the original signal. If the

reflected signal matches the original, the UMS does not

generates a closely controlled signal of 26.3 kHz. This

alarm. If the reflected signal does not match the

signal is fed to the Transceiver, where the transmit

original, the difference is sensed by the detector circuit

transducer converts it to ultrasonic sound energy and

and the alarm circuit sends an alarm signal to the J-

radiates it into the protected area. The ultrasonic sound

SIIDS Control Unit. See figure 2-1 for a simplified block

is reflected from walls or objects within the area and is

diagram. Each Processor can handle up to twenty

picked up by the receive transducer which converts it

Transceivers to provide coverage of a larger area or

back to an electrical signal. If there is any movement

several separate areas.

However, the total

within the secured area, the reflected sound will be

interconnecting coaxial cable must be limited to 500

shifted to a higher or lower frequency. The returned

feet (152.4 m).

signal is amplified by the Transceiver, fed back to the

2-1