Furuno CI-88 Installation Manual page 40

4. ADJUSTMENT
MENU 1
DRAFT
HEEL ANGLE
TRIM ANGLE
GT SPD CALIB
WT SPD CALIB
BEARING CALIB
COURSE CALIB
CSE CALIB MODE :
CSE CALIB EXEC :
SOUND VELOCITY :
EXTERNAL KP1
EXTERNAL KP2
Start Point
Lead run
When ground tracking is not obtainable (Depth is more than 180 m)
1. Press the [TRACK MODE] key to choose the ground tracking mode. For details, see
paragraph 1.6 in the operator's manual.
2. Press the [MENU] key to open the menu.
3. Press ▲ to place the cursor on the menu title area.
4. Press ► to choose INSTALLATION.
5. Press any function key (F1, F2 or F3) to unlock the INSTALLATION menu.
6. Press ▼ to choose the sub menu title area.
7. Press ◄ or ► to choose CALIB.
8. Press ▲ or ▼ to choose CSE CALIB MODE.
9. Press ◄ or ►to choose NAV.
10. Run the vessel at a speed of about 10 kn for five minutes, keeping heading constant,
then return to the starting point, following
11. Press ▲ or ▼ to choose COURSE CALIB EXEC.
12. Press ► to choose YES.
13. Press any function key to start the calibration. As soon as you press a function key, "0.0"
on the COURSE CALIB line should be shown in reverse video. In about ten minutes
(when the calibration is finished), the course calibration angle appears. (This value is not
retained in the memory; it is reset to zero when the power is turned off.)
4-6
MENU 2 ALARM
: 0.0m
: 0.0
: 0.0
: 0.0%
: 0.0%
0.0 
:
: 0.0(GT: 0.0 NAV: 0.0)
GT NAV
NO YES
NO YES
: 0.0m
: 0.0m
Course made good
by CI-68 plus Gyro
Func. key
pressed
2 nm (approx)
INSTALLATION
I/O CALIB OTHER
MANUAL
Course made good
by ext. navaid (GPS)
Course calibration angle
Calibrated to fit these
two courses made good
Reverse video
while calibrating