JLN-205 DOPPLER LOG 计程仪系统手册.pdf

 JLN‐205  DOPPLER  LOG 计程仪系统手册 General Information i General Information Thank you for purchasing the Japan Radio Co., Ltd. JLN-205 Doppler Log. The JLN-205 conforms to the IMO (International Maritime Organization) performance standards, provides accurate displays of ship’s speed over a wide range from dead slow to maximum. • Before attempting to operate this equipment, read this instruction manual thoroughly to ensure correct and safe operation in accordance with the warning instructions and operation procedures. • You are strongly recommended to store this instruction manual carefully for future reference. In the event that you have an operational problem or malfunction, this manual will provide useful instructions. ii General Information Before You Begin iii Before You Begin Symbols Used In This Manual In this manual, and on the equipment, we use several warning signs to call your attention to important items that, if not handled correctly, could present danger to yourself or property. These warning note classifications are as described below. Please be fully aware of the importance of these items before using this manual. Indicates warning items that, if ignored, mayresult in serious personal injury or even death.Indicates cautionary items that, if ignored,may result in personal injury or physicaldamage.Examples of Related Symbol Marks Used in this Manual and on the Unit Each mark is intended to alert the user to the presence of precautions including danger and warning items. The picture in each mark (“Electric shock” in the example on the left.) alerts you to operations that should be carefully performed. Each mark is intended to alert the user to the presence of prohibited activity. The picture/word in/beside each mark (“Disassembling Prohibited” in the example on the left.) alerts you to operations that are prohibited. Each mark is intended to alert the user to the presence of necessary instructions. The picture in each mark (“Disconnect the power plug” in the example on the left.) alerts you to operations that must be performed. WARNING LABEL You can see the warning label on the top of the unit. Do not attempt to remove the warning label from the unit or impair or modify it. iv Usage Hints Usage Hints Do not remove the cover of this unit. Otherwise, you may touch a high-voltage part and suffer from an electrical shock. Turn off the power on/off switch, and turn off the power supply breaker when you do the maintenance check of this unit. Otherwise, a fire, an electrical shock, or a failure may occur. Do not disassemble or modify this unit. Otherwise, a fire, an electrical shock, or a failure may occur. Do not place a vessel containing water, etc. or a metallic object on this unit. When water spills or when water or the object enters the unit, a fire, an electrical shock, or a failure may occur. Do not use this unit at a voltage other than the supply voltage stated on the unit. Otherwise, a fire, an electrical shock, or a failure may occur. Do not insert or remove the power cord or operate switches with a wet hand. Otherwise, you may suffer from an electrical shock. Do not damage or modify the power cord. Placing a heavy object onto, heating, stretching or bending the cord may cause a fire or electrical shock. Do not any maintenance on the transducer while the ship is in the water. Doing so may cause injury or water leakage to the ship. Do not check or repair in this unit. Please call our field representative or your nearest JRC office for inspection and repair services. It causes it of a fire or electrical shock. In the event that you spill or drop any liquids or metals etc., turn off the unit, turn off the power supply breaker, and contact your sales agent outlet or one of JRC branch offices, sales centers or liaison offices. Continuing operation as is may cause a fire, electric shock or malfunction. In the event that smoking or burning odors are detected, immediately terminate operation of the unit and contact your sales agent outlet or one of JRC branch offices, sales centers or liaison offices. Continuing operation as is may cause a fire or electrical shock. Never attempt to service the interior of the unit. ＡＣUsage Hints v Contact our service center or agent for any electrical work or installation of this unit. With the exception of qualified service personnel, do not attempt to service this unit, as doing so may cause malfunction. Do not install this unit is exposed to direct sunlight for a long time or the place where hot wind is hit or the temperature rises above 55°C. Doing so may cause a fire or a breakdown. Do not place the unit on a wobbly stand or any unsteady foundation. Doing so may cause the unit to fall resulting in injury or damage. Do not put this unit in the cabinet, and do not cover with the cardboard etc. Heat shuts oneself up, and doing so may cause a fire or a breakdown. Do not bring the unit in a cooled state abruptly。