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Promotion video How to use
1.  Basic operation
Introduction of basic operation
2.  Settings
Introduction of how to set correctl
3.  Under water communication
Introduction of how to communicate in under water
4.  Voice training
Introduction of practice method to speak well
5.  Additional features
Introduction of usefull addtional features
6.  Maintenance
Introduction of how to maintain after use
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7.  Tips to speak clearly
Introduction of tips to speak cleary
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8.  Switching channel function
Introduction of how to switch channel by tapping
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9.  Change volume_Timer
Introduction of the air chack timer function, and how to change the volume by tapping

1. Basic operation

Basic operation

Click here to download "Basic operation"

2. Settings

Settings

Click here to download "Settings"

3. Under water communication

Under water	communication

Click here to download "Under water communication"

4. Voice training

Voice training

Click here to download "Voice training"

5. Additional features

Additional features

Click here to download "Additional features"

6. Maintenance

Maintenance

Click here to download "Maintenance"

new

7. Tips to speak clearly

Tips to speak clearly

Click here to download "Tips to speak clearly"

new

8. Switching channel function

Switching channel function

Click here to download "Switching channel function"

new

9. Change volume_Timer

Change volume_Timer

Click here to download "Change volume_Timer"

"Logosease" Underwater conversation training

Make sure to practice after descending immediately.
(When you practice first, it would be helpful for later underwater conversation.)

Click here to download  ["Logosease" Underwater conversation training]

"Logosease" beginner's guide

The video introduces from preparing the unit to turning off after exit.
Also sample underwater conversations are in it.

Click here to download  ["Logosease" beginner's guide ]

"Logosease" Tapping Tempo

Showing good tempo of tapping Logosease.

Click here to download  ["Logosease" Tapping Tempo]

"Logosease" How To Tap

Showing effecting tapping of Logosease.

Click here to download  ["Logosease" How To Tap]