B&G Zeus2 Glass Helm CPU - Manual (Page 74)

Search depth
Noise may cause the echosounder to search for unrealistic depths.
By setting the search depth manually the system will only display echoes received from
objects within the set depth range.
Installation
Used for echosounder installation and setup. See the separate Zeus
2 Glass Helm Installation
manual.
74 Echosounder | Zeus 2 Glass Helm