9-8 
 
 
0.0060
0.03
 
0.0060
 
0.0060
 
0.0060
Refer to Current 3 Picture 
set to the sea bottom in 
the echo graph of current 
3 screen, and it confirms
by the signal level at the 
Refer to Current 3 Picture 
Refer to Current 3 Picture 
Refer to Current 3 Picture 
・
 
・
 
Signal Processing Unit・COM    I/O Error 
・
 
 
Signal Processing Unit・USB    I/O Error 
・USB 
 
:
Be Damaged (Can’t access ). 
 
:
Be Damaged (Can’t access ). 
 
CF D At start,  all setting data reading error 
 
Ship’s tracking data reading error 
 
CF D At start,  Distance run and trip data reading error   
CF D Setting data writing error 
 
CF D Ship’s tracking data writing error 
 
CF D Distance run and trip data writing error 
 
Dummy data are not found. 
 
Update file in the signal processing unit is not found.. 
 
Update file in the signal processing unit: I/O error 
 
  Please Operate 5-02/5-03 
 5-02  Illumination of keyboard 
「
+
」
   
 5-03 
Sound –volume of 
pushed key 
「
+
」
   
 
≫
Operate:  "Execution" is selected with the [ ]key, and it 
confirms in the key arrangement figure. 
Cancel:"Cancel" is selected with a double key of [   ] and 
 
keyboard” 
1.0 changes by 10 clicks. 
+/- point lights in the direction of the rotation. 
1.0 changes by 10 clicks. 
+/- point lights in the direction of the rotation. 
 6-05 
Warning Speaker 
It rings at a maximum and a minimum 
position of GAIN VOL. 
   
 
 
Check whether the key to keyboard-unit is normal. 
Press each key. The key is normal, when a green mark is displayed by the key on figure. 
Press each key. The key is defective, when nothing is displayed by the key on figure. 
Press long each key, or press 2times or more. The key is normal, when a orange mark is displayed by 
 
 
 
 
:
Select “cancel” with the double key of [ ] and [□]. 
▼
▼
▼