Mercury communication unit manual rel.1.2
10
In the following the functioning scheme of PTT/MIC is summarised.
As soon as the unit is submerged it is turning automatically ON and the diver hears a
«unit ON»
message. Now the unit is working in «PTT mode (D.A.T. OFF)”, Volume 2.
The unit is always in listening phase until the diver pushes the PTT button, keeping it pressed the
diver is able to communicate to other underwater or surface units activated on the same channel.
Releasing the PTT button will bring the unit back lo listening phase.
When in normal use and listening phase the volume may be adjusted by quickly flipping the lever
style button, the volume lever will increase cyclically from 1, 2, to 3 and back to 1.
Summary of Contents for GSM DC2
Page 1: ......
Page 2: ......
Page 23: ...Mercury communication unit manual rel 1 2 23 UNDERWATERNATURALLY...
