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Max Depth
(Advanced)
Settings: Various, see below.
Max Depth controls the maximum depth of operation. When Max Depth is set
to Auto, the Fishfinder will acquire bottom readings as needed (within the
capacity of the unit). When Max Depth is set to match your fishing maximum
depth, your Fishfinder will not attempt to acquire sonar data below that depth,
so more detail will be shown on the screen.
NOTE: If the bottom is deeper than the Max Depth setting, the digital depth
readout will flash, indicating that the Fishfinder cannot locate the bottom.
The available Max Depth settings are determined by your Humminbird® model as
follows:
• 778c HD: Auto to 1500 ft, Auto to 500 m (International Models only);
Default = Auto
• 778c HD XD: Auto to 3200 ft, Auto to 975 m (International Models
only); Default = Auto
Water Type
(Advanced)
Settings: Fresh, Salt (shallow), Salt (deep); Default = Fresh
Water Type configures your unit for operation in fresh or salt water. In salt water,
you can also choose the shallow or deep setting. The Water Type menu option is
available when User Mode is set to Advanced (see Main Menu: User Mode).
NOTE: Make sure that the Water Type is set accurately, especially in salt
water,asthisaffectstheaccuracyofdeepwaterdepthreadings.Insaltwater,
what would be considered a large fish might be 2 to 10 times bigger than a
large fish in fresh water (depending on the type of fish you are seeking). The
salt watersettingallows fora greater range infish size adjustmentto account
for this difference.
Sonar Menu Tab