Changing The Chart Feed Speed; Spd Key); Displaying/Hiding Graphs; Graph - JRC JFC-130 Instruction Manual

Changing the Chart Feed Speed (

Each time you press the
1/2, to 1/3, to 1/4, to 1/5, to 1/6, to 1/7, to 1/8, to 1/9, and to -/- (off).
CH
Continue pressing the
SPD
CH
once. Release the key to switch the chart feed.
SPD

Displaying/Hiding Graphs (

Press the

GRAPH

key to display graphs of water temperature and depth
changes.
The water temperature is marked by a white line, the water depth
by a red line. BH (Bottom Hardness) represents the sea bottom
material with one of the numerals 1 through 8.
Press once again to hide the graphs.

Writing an Event (

The MARK key is used to write event (fishing grounds and fish school
location). This key is operable only if an external plotter or similar device is
available.
Press the key where you want events written. A marker line will appear
MARK
at the position where the

Displaying/Hiding an A-scope Picture (

You can display an A scope view in the right-hand side of the screen to show
fish school responses in varying color tones and widths according to their
A
intensity. Press the key to display an A-scope view.
SCP
The A-scope is not available while the sounder is in the MIXED
display mode.
14
Operation
CH
key, the chart feed speed changes from 1/1 to
SPD
key and the feed will stop at the stop position

key)

GRAPH
key)
MARK
MARK key was pressed.
CH
key)
SPD
A
key)
SCP
Water temperature and depth graph
A-scope view