•
When using the device in shallow water, you may experience difficulty
communicating because:
1. The surface is full of air bubbles formed by the waves.
2. The sand under water is causing ultrasonic noise due to the waves.
For more information:
https://diving.oceanreefgroup.com/support/
15
Summary of Contents for GSM Mercury
Page 1: ...underwater naturally by INSTRUCTION MANUAL...
Page 2: ......
Page 6: ...The new GSM DC2 consists of three main parts 1 PTT MIC 3...
Page 23: ......