Sonardyne UK (Head Office) T. +44 (0) 1252 872288 F. +44 (0) 1252 876100 E. [email protected] www.sonardyne.com Datasheet Sub-Mini Transponder/Responder (Discontinued) Description Key Features (Type 7656) Key Features (Type 7866) Since 1975, Sonardyne have been developing and manufacturing reliable position reference beacons for ROVs, towfish and other mobile targets. • Depth rated to 1,000 Metres • Depth rated to 4,000 Metres • Choice of Omni-Directional or Directional transducer • High power Directional transducer • Responder trigger, power supply and charger connector are Simrad compatible • External switch selects HPR channel The Types 7656 and 7866 Sub-Mini Transponder/Responders represent the latest design developments and are compatible with both Sonardyne USBL and L/USBL systems and Simrad HPR systems. With these beacons, targets can be tracked deeper and at further ranges then ever before. • External switch selects HPR channel • External on/off switch • Compact and rugged design • External on/off switch • Unlimited replies in responder Sonardyne UK (Head Office) T. +44 (0) 1252 872288 F. +44 (0) 1252 876100 [email protected] www.sonardyne.com Specifications Sub-Mini Transponder/Responder (Discontiued) Feature Depth Rating Operating Frequency Channels Transducer Beamshape Transmit Source Level Receive Sensivity Transmit Beam Max. Repetition Rate Power Quiescent Life Externally Powered Mating Connector No. of Replies (Transponder Mode) Dimensions (LxDia) Weight in Air Weight in Water Type 7656 1,000 Metres Simrad 1~9 Omni-Directional 188dB re 1µP @1m 100dB re 1µP @ 1m ±90° 2 Per Second Ni-Cad 30 Days Indefinite VMG-4-FS 70,000 347mm (13.6”) x 72mm (2.8”) 1.8kg 0.9kg Specifications subject to change without notice - 10/2006 Type 7956 1,000 Metres Simrad 1~9 Omni-Directional 193dB re 1µP @1m 100dB re 1µP @1m ±45° 2 Per Second Ni-Cad 30 Days Indefinite VMG-4-FS 10,000 313mm (12.3”) x 70mm (2.7”) 2kg 1kg Type 7866 3,000 Metres Simrad 1~9 Directional 200dB re 1µP @1m 100dB re 1µP @1m ±30° 2 Per Second Ni-Cad 30 Days Indefinite VMG-4-FS 17,000 386.1mm (15.1”) x 86.1mm (3.3”) w/sleeve 4.2kg 1.2kg