User Manual Bearing System RT-300
Issue: 2017/06/27 [Rev 1.04.c] Page 9 of 79 12-9-1-0013-9-2-0001-3-1-60
3 General Information
3.1 Purpose of Use
3.1.1 Mobile Use
The RT-300 bearing system allows bearing of radio signals (radio telephony) in the UHF
airband (241,000…243,000…245,000MHz) as well as bearing of signals on the international
VHF distress frequency (121,500 MHz).
For training purposes a whole frequency range of the airband 118,800 ... 124,000 MHz is
tuneable.
Integrating a professional SAR-bearing system, the RT-300 bearing system allows quick
bearing and detecting of EPIRB equipped persons or vessels.
Especially designed for use under rough circumstances on sea vessels the system is extremely
compact. The antenna and the display control unit are waterproof. The most sensitive receiving
system allows bearing of weakest signals.
3.1.2 Stationary Use
As traffic bearing system the RT-300 has a wide range of use, e.g. surveillance of coastal
shipping traffic as well as alerting rescue crews in case of accident.
3.2 Content of Delivery
1 User Manual
1 Display Control Unit DCU
1 Antenna Unit AU
1 Pull-relief
1 Mounting kit
1 Connecting cable, D-SUB, 9-pole
1 Power supply cable including fuse holder
8 Antenna beams, ø 6 mm, length 30 cm
1 Fastening kit incl. 1 spare fuse (1A inert)
(4 fixing bolts M4x30 DIN 912 + 4 washers M4 + 4 lock washers + 4 nuts M4)
1 DCU installing cut-out
2 D-SUB plug male
2 D-SUB plug female
1 Documentation “RT-300 NMEA Serial Communication & Remote Control”
1 Test protocol (signed and stamped)
ATTENTION
The bearing system RT-300 is not approved for primary navigation purposes.
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