Sonardyne Logo (Sound In Depth)Delivering Trusted Solutions For Subsea Acoustics

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Overview
Key Features
Supplied in rugged, portable case
Provides command and control of LRTs, LATs and TZ/OBC transponders
Enables transponders to be tested and programmed with thousands of unique identities prior to deployment
Highly secure coding sequence prior to commanding LRTs to 'release'
Powered by alkaline battery packs; supplied with 2 spare packs
Can be connected to a PC to enable raw ranges to be collected
Easy to operate
Datasheet
OBC/LRT Deck Unit

LRTs, LATs, Coastal Transponders and TZ/OBC Transponders are commanded using a Type 7967-000-01 transponder deck unit. The system comprises of a deck unit and dunking transducer supplied with 10 metres of cable.

The deck unit is used initially to program the acoustic identity of the transponder, test the transponder and, in the case of the LRT (Lightweight Release Transponder),  load the release 'bit' prior to deployment. Once deployed, it can be used to measure ranges to the transponder and prior to sending a secure release command, relocate the transponder. The deck unit can also be controlled via RS232 enabling raw range data to be logged to a PC.

 
Specifications
FeatureType 7967
Operating Frequency HF (35-50kHz)
Transmit Source Level (dB re 1µPa @1m) 185dB
Receive Sensitivity (dB re 1µPa) 110dB
Pulse Length 2ms
Timing Resolution 16 ms
Transducer Ports 1
No. Independent Navigation Channels 9
Dimensions (LxWxH) 360mm (14.1”)  X 270mm (10.6”) X 155mm (6.1”)
Power Supply Alkaline Battery
Weight 5kg
 
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