Furuno FM-8800D Service Manual page 21

9. Pop-up window when MMSI is not registered
When turning on the power without registration of MMSI, the pop-up message displayed
is changed from "NO MMSI" to "This unit CAN'T send any DSC calls until ship's MMSI is
entered. Press any key!".
10. RTC (Real Time Clock) function
This function is required in Recommendation M.493-11. If the program of software is
updated to Ver. 0550215-04.01 without the RTC kit, this function does not work
normally.
Note: RCT Function
This function is used for Time stamp in the [LOG] menu. Priority of time data is ZDA >
RMC > manual. When time is set by manual, it is set in [MENU] -> RTC. From
receiving DSC Distress message, the elapsed time is counted by RTC. The
transmission time-out period is 23.5 H. Upon time-out, Distress Alert is deleted from
"DISTRESS RCVED LOG". The backup time of RTC is held one week or more.
Name: RTC BOARD KIT
Type: FM-8800-RTC-KIT
Code No.: 001-078-040-00
Front panel
.
Add RTC Board (05P0804)
Connect to J14 on CPU Board
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