Is There A Priority Order For Nav-Data Connecting Ports On The Tb Board See Page.6-11 - Furuno FAR-2107 Series Service Manual

31. Is there a priority order for NAV-data connecting ports on the TB
board?
See page.6-11.
For position data, the [OS POSN] box menu GPS-1 or GPS-2. Ports for
accepting data differ according to the setting. NAV data is accepted from J606
on the TB board when GPS-1 is selected, and there is a priority order for
connecting ports when GPS-2 is selected. There is a priority order for
connecting ports in terms of other data, too.
32. The position and speed data displayed in red.
See page.3-4 and 6-12.
When data is displayed in red, it shows that the data is undetermined, the display
in the POS and SPD box differs according to sentences used or the status.
33. Show the list of error message.
See page.6-31.
Error messages are displayed in the ALERT BOX. Note that more than one error
related to the cause of the problem is displayed. Error messages are kept
displayed until the error event is removed.
34. Show the manual method for CABLE ATT ADJ.
See page.4-13.
To adjust the cable attenuation manually, set 24 NM range, long pulse and GAIN
to "80", STC to "0", FTC/EAV/ES/ to OFF, and IR to "2", and then make
adjustment so as to allow a slight amount of noises.
35. The sensitivity (gain) has become lower.
See page.3-15, 4-28, 6-42 and 7-51.
1) Have you changed the [PICTURE] setting? Reset the setting to "DEFAULT"
in each [PICTURE] box menu.
2) Initialize the setting in [Menu] -> 1 -> 3:TUNE INITIALIZE. Also execute
turning manually.
3) Check the gain in PM. (Performance Monitor)
4) Check the Magnetron current and R-MONITOR voltage in "RF UNIT
MONITOR" of [Menu] -> 9 -> 8 -> 2:SELF TEST.
8-8
Q & A