JRC JMA-610 Series Instruction Manual page 146

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:
Radar general model name: JMA-
(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.
(1) Power can be turned on. (The lamp on the operation panel is lit)
A few minutes after powering-on, it will become standby status (TX
(2)
Ready).
When powering-on (or TX ON), LCD displays something (LCD is
(3)
lit).
The scanner rotates at the transmission (TX) ON.
(4)
(Check the following items while transmission is ON)
Current is supplied to the magnetron. (Refer to the instruction
(5)
manual)
(6) Turning is enabled. (Check with the range of 8 km or more)
(7) Fixed marker is displayed.
(8) VRM is displayed.
While noise is displayed while set at STC and FTC minimum, GAIN
(9)
maximum, IR-OFF and range 32km.
(10) Target reflection echo is displayed.
(11) Sensitivity of reflection echo is normal.
(12) EBL is displayed.
(13) Cursor mark moves.
*(14) GYRO course can be set and normally displayed.
*(15) LOG speed can be normally displayed.
(16) Others (Error message, etc. )
Phone:
Serial No. :
Check Item
8-2
Fax:
Result
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO