xix
In case water or a metal object gets inside the equipment, turn off the power
and the breaker immediately, unplug the power supply cable from an electric
outlet, and contact the store, nearest JRC agent, JRC marine service
department, sales department, regional office, branch or sales office.
Keeping the equipment in operation under such condition may cause a fire,
an electric shock or a malfunction.
Always turn off the power and breaker before inserting/removing this
equipment or the connector of the connection cable with the external
equipment.
Failure to comply may result in fire or an equipment fault.
Do not touch the power supply cable or circuit cable during severe thunder.
Failure to comply may result in an electric shock.
When the power cable is damaged (exposed cable conductor, broken cable,
or torn capsule), request replacement to the store, nearest JRC agent, JRC
marine service department, sales department, regional office, branch or
sales office.
Using the cable as it is may result in fire or an electric shock.
Do not apply strong shock to the power supply cable or the LAN cable by
striking it or hammering it.
Otherwise, an open circuit failure may result.
Make sure using the specified fuses.
Otherwise, fire or an equipment fault may occur.
Before exchanging fuses of this equipment, the equipment must be switch off
and the AC/DC input must be cut off
When installing the cable that comes with the transducer mounting, make
sure that the cable is not tightly bent, or twisted, and that no pressure is
applied to the cable.
Otherwise, the cable may crack or the inside of the covering may be
damaged, causing a fire or an electric shock.
Do not perform installation or maintenance to the transducer mounting on the
water.
Otherwise, water may get into the transducer mounting.
Summary of Contents for JLN-740A
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Page 54: ...Chapter 1 Outline of the Equipment 1 22 This page intentionally left blank...
Page 60: ...Chapter 2 Function of Each Components 2 6 This page intentionally left blank...
Page 98: ...Chapter 5 Operation Method JLN 740N 741N 5 8 This page intentionally left blank...
Page 122: ...Chapter 6 Setting by Using Menus JLN 740N 741N 6 24 This page intentionally left blank...
Page 150: ...Chapter 9 Installation Method 9 8 This page intentionally left blank...
Page 156: ...Chapter 10 Maintenance and Inspection 10 6 This page intentionally left blank...
Page 160: ...Chapter 12 Disposal 12 2 This page intentionally left blank...
Page 206: ...Appendix A Menu list A 24 This page intentionally left blank...
Page 209: ...B 3 Appendix B Installation Drawings APP B AC power rectifier NBA 5143 Mass 3 5kg...
Page 212: ...Appendix B Installation Drawings B 6 JLN 740N 741N Main Display NWZ 4640...
Page 213: ...B 7 Appendix B Installation Drawings APP B External buzzer CGC 300B Mass 0 5 kg...
Page 216: ...Appendix B Installation Drawings B 10 MID NWZ 4610 Optional...
Page 230: ...Appendix D Spare Parts List D 2 This page intentionally left blank...
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