Sonardyne MF LCU: Lightweight Command Unit
The Sonardyne ORT Acoustic Release Transponders are controlled using a frequency band specific Lightweight Command Unit (LCU) which consists of an over the side dunking transducer connected either to a splash proof handheld terminal or, via supplied software, to any PC.
Commands and controls ORT and DORT transponders
Choice of MF or LF operating band depending on acoustic release type
Controlled using splash-proof Psion handheld terminal or PC
Supplied with dunking transducer and 40 metre cable drum
Allows users to range to Compatt transponders and send basic commands
Operating frequency: Type 7663 – MF (18/36kHz)
Transducer Beam Shape: Hemispherical
Receive Threshold (dB re 1µPa): <115dB
Battery Life: 4-8 Hours
Battery shelf life (Disconnected): 2 Months
Used by marine researchers to control transponders.
Used in ocean surveys
Widely used in surveying