Furuno CI-80 - Manual (Page 31)

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Displaying the CALB menu
1. Press ◄ / ►
to select the CALB menu.
2. Press / to select menu item.
3. Press / to set offset.
Menu items
GT SPD CALIB: Raise setting when ground tracking
speed is slower than ship’s speed.
WT SPD CALIB: Raise setting when water tracking
speed is slower than ship’s speed.
DRAFT LEVEL: Enter depth of transducer from sea
surface.
BEARING CALIB: Compensate for bearing error in
relation to ship’s bow.
COURSE CALIB: Compensate for course error.
NOTE: If course indication by ground tracking mode differs
from that of navigator (GPS) even with a correct
bearing calibration, enter the course calibration
angle.
4. Press the MENU key to register settings and close the
menu.
Water Speed Display Setting
1. Press the DISP MODE key to display the echo display.
2. While pressing and holding down the TRIP key press the
MENU key.
3. Press ◄ / ►
to select MODE.
4. Press or to select WATER SPEED.
5. Press or to select T/D or NAV.
T/D: Ship’s speed, tide and tide differential are calculated
from doppler shift frequency. Press the MODE key to select
measuring mode, in the sequence of G(Ground), W(Water),
A(Auto).
NAV: Ship’s speed and position data are fed from the GPS
navigator. Tide and tide differential are calculated using
GPS data when the ground echo cannot be detected.
Press the MODE key to select measuring mode, in the
sequence of G(Ground), N(Nav), A(Auto).
MODE CALB
GT SPD CALIB
0.0 % [-12.8~12.7]
WT SPD CALIB
0.0 % [-12.8~12.7]
DRAFT LEVEL
0.0 m [0.0~50.0]
BEARING CALIB
0.0
°
[-12.8~12.7]
COURSE CALIB
0.0
°
[-12.8~12.7]
*1: Shown when current
(tide) processor is
active.
*1
Figure 30 CALB menu