Ninglu DF Series, Operation Manual

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5
Seabed
Operation
Bottom-Z
Bottom contour is indicated as a
straight line and expansion view of
certain area from its contour is
shown.
Zoom rate is set in MENU 1
Zoom: ×2.5, ×5, ×10.
BRILL
【
BRILL
】
key is used to adjust the LCD brightness.
MENU
【
MENU
】
button facilitates selection of MENU 1, MENU 2 and EXIT.
AUTO
【
AUTO
】
button is used to turn on or off Auto Range.
FREQ
Frequency displayed toggles among 50 kHz(L), 200 kHz (H), 50 / 200 kHz
(L/H) and 200/50kHz (H/L).
MODE
Three modes a re optional toggled by pressing
【
MODE
】
key:
Normal mode
Display normal echo graphic.
Bottom-Z
Bottom contour is indicated as a straight line and expansion view of certain
area from its contour is shown.
Fixed-Z