JRC JCY-1700 Instruction Manual page 68

Chapter6 Playback Operation
6.9.1.7 Depth block
This block shows Depth by numeric and graphic.
The brown zone is seabed, and the light-blue zone is underwater.
A horizontal axis shows lapsed time and shows the depth of water of the newest at right
end.
6.9.1.8 Engine Telegraph block
This block shows engine telegraph status by graphic.
Playback Software / Instruction Manual
58
Underwater
Seabed
Telegraph Position
Sub-Telegraph Position
Operating Location
Controlled engine or shaft