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1. Section 5 - Maintenance

SECTION 4 - OPERATION

Sequence of Operations

The SART has primary and secondary indicating systems: The primary

system is the indicator lights and the secondary system is the buzzer.

When the switch is set to ON, the SART immediately enters the Test Mode.

Here both the red light and the buzzer are tested. Note that in noisy

environments it may be difficult to hear the buzzer. After approximately one

second, the SART goes into receive mode.

The SART remains in the receive mode until it detects a radar pulse. It then

switches to the reply mode and transmits a series of pulses. These pulses

will appear on the interrogating radar display as a series of arcs leading away

from the SART„s position. Both SART lights flash rapidly and the buzzer

emits a pulsed sound (beep) at approximately one- second intervals

indicating the reply mode. This sequence is repeated each time a radar

signal interrogates or transmits a valid radar signal to the SART. When the

radar signal interrogation stops, the SART automatically returns to the

receive mode.

With a fully charged battery the SART will operate in receive mode for a

minimum of 96 hours. After this time period it will still respond to normal

interrogation radar signals for an additional eight hours.

Activation

Remove the SART from the bracket. Activation of the SART is completed by

using the three-position switch ring (TEST-OFF-ON), as shown in Figure 5.

1. Turn the blue activation switch ring to the left, placing the SART in test

mode

2. Remove the red Pull Tab by pulling it down and completely out of the

SART

3. Release the activation switch and guide it to the right until it is in the

ON position

i. The SART will beep once and flash every four seconds

ii. The flashing red light indicates the SART is ON

4. Turn the bottom cap of the SART and deploy the telescopic pole to its

maximum length of 3 ft. (1 meter).

Remove lanyard and secure it to the life raft.

Y1-03-0170H