JRC JMA-7710-6 Instruction Manual page 272

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:____________________
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 (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.
(1) Power can be turned on. (The lamp on the operation panel is lit.)
(2) A few minutes after powering-on, it will become stand-by status (TX Ready).
(3) When powering-on (or TX ON), the CRT displays something (CRT is lit).
(4) The scanner rotates at the transmission (TX) ON.
(5) Current is supplied to the magnetron. (Refer to subsection 8.1.2.8.)
(6) Tuning is enabled. (Check with the range of 6NM or more.)
(7) Fixed marker is displayed.
(8) VRM is displayed.
White noise is displayed while set at STC, FTC minimum, GAIN maximum,
(9)
IR-OFF and range 48NM.
(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) ATA works normally.
(17) Others (Error message, etc)
Radar Failure Checklist
Phone:____________________
Serial No.:____________________
Check Item
(Check the following items while transmission is ON.)
9 – 2
9
Fax:____________________
Result
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
YES NO
9