8-2
Radar Failure Check List 
 
 
When placing an order for repair of the product, it is requested that you could confirm the check 
items and fill the results and sent the sheet to our contact. 
If there is any unclear items, contact the ship on which the product is installed, and give the 
correct information on the product. 
 
Ship name: 
Phone:  Fax:   
Radar general model name: JMA- 
Serial No. :   
(Write the full model name correctly) 
 
(1)  Check the following items in the order of the number, and circle the applicable answer 
between YES or NO.    If the item cannot be determined as YES or NO, explain in detail in 
the item (18), others. 
(2)  If any of the items (1) to (5) is marked as NO, check the fuse of the NDC-1486. 
(3)  Check the items (4) to (15) while the transmission (TX) is ON. 
 
*  Functions mentioned in the items (14), and (15) may be optional, answer is not necessary. 
 
No. Check Item  Result 
  (1)  Power can be turned on. (The lamp on the operation panel is lit)  YES  NO
 (2) 
A few minutes after powering-on, it will become standby status (TX 
Ready). 
YES NO
 (3) 
When powering-on (or TX ON), LCD displays something (LCD is 
lit). 
YES NO
 (4) 
The scanner rotates at the transmission (TX) ON. 
(Check the following items while transmission is ON) 
YES NO
 (5) 
Current is supplied to the magnetron. (Refer to the instruction 
manual) 
YES NO
  (6)  Turning is enabled. (Check with the range of 8 km or more)  YES  NO
  (7)  Fixed marker is displayed.  YES  NO
 (8)  VRM is displayed.  YES  NO
 (9) 
While noise is displayed while set at STC and FTC minimum, GAIN 
maximum, IR-OFF and range 32km. 
YES NO
  (10)  Target reflection echo is displayed.  YES  NO
  (11)  Sensitivity of reflection echo is normal.  YES  NO
 (12)  EBL is displayed.  YES  NO
  (13)  Cursor mark moves.  YES  NO
*(14)  GYRO course can be set and normally displayed.  YES  NO
*(15)  LOG speed can be normally displayed.  YES  NO
 
(16)  Others (Error message, etc. )