Underwater Two Way Radio [Logosease]
Instruction Manual and Warrnty Certificate
To safely use Logosease
1. During Use
3. Name of each part / Unpacking
4. How to set the unit
5. Turning Power ON / OFF
8. LED display
9. Maintenance after diving
10. Charge the Battery
11. Built-in battery
Please read [1. During Use] carefully beforehand anduse the unit properly. After reading, please keep this
Instruction Manual at hand.
This unit does not guarantee the safety underwater.
Do not use the unit in the condition which will cause immediate danger if conversation
is stopped. Also do not use it for emergency contact as main purpose.
Do not disassemble or modify the unit.
Do not use the unit if it has abnormal condition as being heated, smoked, or with
unusual order. If you keep using it in such condition, it will start fire or cause
Do not leave the unit in the places as in a car where temperature will be very high
under the direct sunlight.
Wipe the water off the unit properly before setting it in the battery charger. Make
sure USB connector of the unit has no water drop. PC connected to USB may be
damaged with water drop.
Do not put the unit near the heaters if the unit power is ON. Temperature inside
the unit will rise, and it may cause fire, burn or unit damage.
Do not damage, put heavy thing on, and/or heat the USB cord. It will cause fire or
The unit is waterproof up to 55M. Do not bring the unit deeper than 55M.
The deepest possible point for recreational diving is 40M.
Surfactant as detergent makes water enter inside the unit easier. Do not put untifog
liquid on the unit. If it is attached, wash it away with pure water or sea water at once.
Soaking the unit into chemical substance deteriorates the unit condition. If hairdressing,
detergent or sunscreen is attached, wash it away with pure water at once.
Do not drop the unit to the ground. You can enter the sea as usual with the unit.