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6. MAINTENANCE, TROUBLESHOOTING
6-3
6.3 Magnetron Life
When the life of the magnetron is reached, the targets do not appear on the display.
If long-range performance appears to have decreased, contact a FURUNO agent or
dealer about replacement of the magnetron. The magnetron changes with the type of
antenna unit.
6.4 LCD Backlight Life
The life of the LCD backlight, which provides the illumination for the LCD, is approxi-
mately 70,000 hours at 25°C (ambient temperature).
Model Magnetron Type Code No. Estimated life expectancy
FR-8045 E3571 000-146-867-12 App. 2,000 hours
FR-8065 MAF1422B 000-158-788-12 App. 3,000 hours
FR-8125 MAF1565N 000-174-559-11 App. 3,000 hours
FR-8255 M1458F 000-159-904-12 App. 2,000 hours