Yachting Electronic Co. NAKI8850B, User Manual

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1) Press MENU to enter into menu setting,
2) Use the Up / Down Arrow to select Sensitivity option.
3) Press ENT to confirm selecting
4) Use the Up / Down Arrow to increase / decrease the
value
5) Press ENT to confirm the setting.
6) Press EXIT to exit.
Chart speed Chart speed
Chart Speed control how fast the sonar information moves
across the screen.
With the high speed, you could see more information across
the screen; however the fast moving information makes
you feel difficult to interpret the
fish details and bottom.
With the low speed, you fell easeful
to have enough time to interpret the
fish details and bottom. However the
compressed information may cause
a little problem for you to interpret
them.