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Radar Failure Checklist
When ordering for repair, check the following items, fill in the sheet and send it to us. If there is any
uncertain items, contact your ship and give us 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 (17), Others.
(2) If any of the items (1) through (5) is marked as NO, check the fuse of the product (refer to section 8.2,
8.3).
(3) Check the items (4) through (16) while the transmission (TX) is ON.
* Functions mentioned in the items (14) through (16) may be optional. If the function is 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 stand-by status (TX Ready). YES NO
(3) When powering-on (or TX ON), the CRT displays something (CRT 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 subsection 8.1.2.8.) YES NO
(6) Tuning is enabled. (Check with the range of 6NM or more.) YES NO
(7) Fixed marker is displayed. YES NO
(8) VRM is displayed. YES NO
(9)
White noise is displayed while set at STC, FTC minimum, GAIN maximum,
YES NO
IR-OFF and range 48NM.
(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) ATA works normally. YES NO
(17) Others (Error message, etc)
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