ACR Electronics PATHFINDER 3, Руководство по поддержке продукта

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2.0 Introduction
The SART is a Search and Rescue Transponder that provides location information to search
radars operating in the X-band (9.2 – 9.5 GHz). Once activated the SART detects the radar
signal of the search craft and sends a series of response pulses to the radar of the search
craft that causes a series of 12 equally spaced arcs to appear on the radar display (see figure
1). The arcs indicate the direction to the SART location. The rescue craft follows the
direction shown and proceeds to the SART.
To achieve the maximum useful range the SART must be mounted at least 3.3 feet (1
meter) above sea level. Increasing the height of the SART antenna will increase the range.
For example, lashing the SART to the top of a pole or an oar in the survival craft will
increase the height and thus the range.
The International Maritime Organization (IMO) requires all vessels of more than 300 GRT
to carry at least one SART and vessels 500 GRT and over must carry at least two SART’s,
while RoRo Ferries are required to carry 1 SART for every 4 survival crafts.
Figure 2 on page 6 shows the key features of your PathFinder
TM
3 SART. The blue
activation switch ring is located under the white top cap. Located in the middle of the
switch ring is a red pull tab that must be removed to activate your SART. The pull tab
locks the switch ring in place and stops the SART from accidentally being placed in the
ON position.
Turning the switch ring to the left allows you to test the SART. When held to the left,
the SART will beep once and continue to flash every four seconds. When released the
switch ring will return to the OFF position. TEST mode is identical to ON mode and will
generate a “distress” pattern on any Radar within range. Use TEST mode carefully to
avoid false alarms.
To activate your SART in times of emergency, turn the blue activation switch ring to the
left into the test position and remove the red pull tab by pulling down on the lanyard
attached to the tab. Turn the blue activation switch ring to the right and into the ON
position (see page 9 for complete activation instructions).
When first turned ON, the SART will beep once and continue to flash every four
seconds. The SART is now operational. When responding to Radar the red light flashes
every 1 second and the SART will beep every second. For best results a telescopic pole
is supplied in the base of your SART allowing mounting 1m (3.3 ft) above sea level.
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