1. General Information Introduction This manual describes the ORE Offshore Shallow Push Off Release / Transponder (SPORT-MFE). This model is a lightweight, robust and easily deployable instrument. It can function both as an acoustic release and/or transponder unit for use at depths up to 400 meters and with release loads up to 250 Kg and lifting loads to 650 Kg. General Description The SPORT-MFE has been designed for use as an instrument location and recovery system on oceanographic moorings and platforms. Additionally, the precision, high output power transponder feature, and coded interrogate make this instrument ideal for use with positioning systems in difficult acoustic environments. The SPORT-MFE utilizes a version of the ORE Offshore proven Binary Acoustic Command System (BACS) code structure. The BACS coding structure provides 12,000 possible secure command codes. Each release is factory programmed with its own unique command set, including ENABLE, DISABLE, STATUS and a RELEASE command. Whenever the instrument receives a command it responds with a status reply message which indicates the orientation of the instrument (tilted or not tilted). The transponder function can be turned on or off with the ENABLE and DISABLE commands. There is also an Auto disable which will disable the transponder function if the system does not receive anything for a preset time period. This prevents running the batteries down if it is left enabled by mistake. When disabled the transponder will not reply when interrogated. This ensures that the unit will not interfere with nearby instruments and that no battery energy is wasted replying to interrogate signals meant for other systems. The transponder Enable / Disable command has no effect on the Release command. The RELEASE command causes the mechanism on the instrument to rotate and to push off the threaded release link. While it is releasing the system transmits 1 ping for each complete rotation of the release shaft. Once the threaded link is completely pushed out the instrument is free. Upon completion of the release function the system will change to the enabled state if it was disabled. If the system was enabled when it is released it will remain enabled. The RELEASE command is not affected by the state of the transponder function (enabled or disabled). 1.2 Specifications 1.2.1 Mechanical
1. General Information Introduction This manual describes the ORE Offshore Shallow Push Off Release / Transponder (SPORT-MFE). This model is a lightweight, robust and easily deployable instrument. It can function both as an acoustic release and/or transponder unit for use at depths up to 400 meters and with release loads up to 250 Kg and lifting loads to 650 Kg. General Description The SPORT-MFE has been designed for use as an instrument location and recovery system on oceanographic moorings and platforms. Additionally, the precision, high output power transponder feature, and coded interrogate make this instrument ideal for use with positioning systems in difficult acoustic environments. The SPORT-MFE utilizes a version of the ORE Offshore proven Binary Acoustic Command System (BACS) code structure. The BACS coding structure provides 12,000 possible secure command codes. Each release is factory programmed with its own unique command set, including ENABLE, DISABLE, STATUS and a RELEASE command. Whenever the instrument receives a command it responds with a status reply message which indicates the orientation of the instrument (tilted or not tilted). The transponder function can be turned on or off with the ENABLE and DISABLE commands. There is also an Auto disable which will disable the transponder function if the system does not receive anything for a preset time period. This prevents running the batteries down if it is left enabled by mistake. When disabled the transponder will not reply when interrogated. This ensures that the unit will not interfere with nearby instruments and that no battery energy is wasted replying to interrogate signals meant for other systems. The transponder Enable / Disable command has no effect on the Release command. The RELEASE command causes the mechanism on the instrument to rotate and to push off the threaded release link. While it is releasing the system transmits 1 ping for each complete rotation of the release shaft. Once the threaded link is completely pushed out the instrument is free. Upon completion of the release function the system will change to the enabled state if it was disabled. If the system was enabled when it is released it will remain enabled. The RELEASE command is not affected by the state of the transponder function (enabled or disabled). 1.2 Specifications 1.2.1 Mechanical
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