Sonardyne UK (Head Office) T. +44 (0) 1252 872288 F. +44 (0) 1252 876100 E. [email protected] www.sonardyne.com Datasheet Lightweight Command Unit Description ORTs and DORTs 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. The Type 7663 unit is a Medium Frequency LCU for commanding ORTs whilst the Type 7667 LCU is a Low Frequency unit suitable for use with DORTs For security of operation, a special coding system provides protection against accidental release by noise or acoustic transmissions from other equipment. Each ORT or DORT has its own unique ‘address’ enabling a number of units to be deployed in the same area without risk of interference. Key features • 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 Sonardyne UK (Head Office) T. +44 (0) 1252 872288 F. +44 (0) 1252 876100 E. [email protected] www.sonardyne.com Specifications Lightweight Command Unit Feature Operating Frequency Transducer Beamshape Transmit Source Level (dB re 1µPa @1m) Receive Threshold (dB re 1µPa) Battery Life (Ni-Cad, Rechargeable) Battery Shelf Life (Disconnected) Transducer Cable Length Transducer Weight in Air (Excluding Cable ) Transducer Weight in Water (Excluding Cable) Shipping Weight Specifications subject to change without notice - 10/2006 Type 7663 MF (18–36kHz) Hemispherical 186dB <115dB 4-8 Hours (Continuous Interrogation) 2 Months 40 Metres 8kg 3kg 40kg Type 7667 LF (7.5–15kHz) Hemispherical 188dB <115dB 4-8 Hours (Continuous Interrogation) 2 Months 40 Metres 8kg 3kg 40kg