Chapter 9. Q & A
9-5
Q23. What are the differences between 05P0774A and B on TX/RX PCB?
See page. 8-19.
The 05P0774A is used for FM-8800S and the 05P0774B is used for FM-8800D.
The only difference is whether the input/output connector circuit is connected
to DUPLEXER or not.
Q24. What is a DISTRESS MODE? See page. 1-6.
It just means that you have transmitted DISTRESS ALERT which removes a
telephone priority normally set up in order of the Transceiver unit -> Remote 1
-> Remote 2 -> Remote3 -> Remote 4. In this case, communication can only be
carried out from wherever PTT is pressed.
Q25. How can I clear memory? See page. 8-18.
You can carry that out by selecting [MENU] -> SYSTEM -> EEROM -> ALL.
Then, a pop-up window with “Init EEPROM” in it will appear and when it
disappears, it means MEMORY CLEAR was done but it takes about 5 minutes.
Keep in mind this will clear all of LOG and setups as well.
Q26. When I make All Ship Call from No.1 VHF, I could not receive signals
through No.2 VHF. Is the equipment broken? See page. 8-6.
It is not broken. They are made in a way that a call-up with the same MMSI dose
not accept. For example, if you transmitted ALL SHIP CALL from No.1 VHF to
No.2 VHF and incoming alarm and messages were outputted with the same
MMSI, that would be very confusing as to who is outputting what. In order to
avoid this situation, except when the Call Type is Individual and Category is
Routine, reception of signals with MMSI will not be accepted.
Q27. Communication does not seem to be working correctly when Remote
Handsets are connected. See page. 4-4, 5-23.
Have you set up different ID number for each Remote Handset? When more
than one Remote Handset with the same ID number are connected, it causes a
collision of data between the Transceiver unit and a Remote Handset. The ID
number of factory setting is “1”. In order to set up ID number, unplug Remote
Handset from RB-8800/8810 and then plug it back in while pressing [MENU]
key that is on it.
Q28. When I turn on the power, alarm keeps going off and nothing comes
up on the display.
See page. 8-5.
That means CPU on CPU board is fault. You would have to replace CPU board
then. This is a problem seen when CPU does not respond to a command from
DSP.
Содержание FM-8800
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