This manual introduces the operation methods of JFC-800/JFC-810 color echo sounder
This document serves as the instruction manual for the JRC JFC-800 and JFC-810 Color Echo Sounders. It covers basic operations, including how to use the device menus, maintenance and inspection procedures, and installation steps. The manual also includes an appendix with technical specifications such as mass and cable length.
| Mass (JFC-800) | 2.9kg |
|---|---|
| Mass (JFC-810) | 3.9kg |
| Cable length | 15M |
Authorized service engineers should not maintain or adjust the unit, and users should not put their hands inside the apparatus to avoid electrical shock hazards.
Turn off the power source and ground the circuit immediately, or move the victim away using an insulating material like dry wood or cloth.
Perform cardiac massage about 15 times and then give mouth-to-mouth artificial respiration 2 times, repeating this sequence.