Contents
5
Chapter 9. Q & A
Q1. How can we use VHF exclusively? ........................................................................9-1
Q2. What are the differences between FM-8800D and FM-8800S? .............................9-1
Q3. Please tell me the priority of communication order. ...............................................9-1
Q4. Do the Transceiver unit and Remote Handset have to be installed in designated
location? ................................................................................................................9-1
Q5. Receptible sentence. ...............................................................................................9-1
Q6. Please tell me about the Alarm output. ...................................................................9-2
Q7. Can Carbon MIC be used in place Wing MIC? ......................................................9-2
Q8. Can Remote Handset be used alone without Transceiver Handset on? ..................9-2
Q9. Does Remote Handset have to be wired in daisy chain? ........................................9-2
Q10. Can VHF antenna be used together with CH70 WR antenna? .............................9-2
Q11. Is a Junction Box:IF-8810 necessary? ..................................................................9-2
Q12. How to adjust LCD contrast? ...............................................................................9-3
Q13. How to cancel menu’s protection? ........................................................................9-3
Q14. Please tell me what to check after installing. ........................................................9-3
Q15. How do I adjust the frequency? ............................................................................9-3
Q16. How do I measure DSC tone frequency? .............................................................9-3
Q17. Will the Program-Ver. indication remain the same even after updating the
program? ................................................................................................................9-4
Q18. Is the Main program commonly used for FM-8800D and FM-8800S? ...............9-4
Q19. I cannot update the program/How do I update the program? (Case 1) .................9-4
Q20. I cannot update the program/How do I update the program? (Case 2) .................9-4
Q21. Remote Handset is not working properly. . ............................................................9-4
Q22. I cannot receive DSC signals although telephone is working just fine. ...............9-4
Q23. What are the differences between 05P0774A and B on TX/RX PCB? ................9-5
Q24. What is a DISTRESS MODE? .............................................................................9-5
Q25. How can I clear memory? .....................................................................................9-5
Q26. When I make All Ship Call from No.1 VHF, I could not receive signals
through No.2 VHF. Is the equipment broken? ...................................................9-5
Q27. Communication does not seem to be working correctly when Remote Handsets
are connected. ....................................................................................................9-5
Q28. When I turn on the power, alarm keeps going off and nothing comes up
on the display. ....................................................................................................9-5
Q29. Would disconnecting or short-circuiting antenna break Transceiver unit? ..........9-6
Q30. “DSC-5’’ indication appears after a self-test with DMC-5. Is this okay? ............9-6
Q31. Please tell me about where to install the antennas. ..............................................9-6
Q32. What is the min. horizontal length between VHF Antennas? ...............................9-6
Q33. Please tell me about where to install the VHF. .....................................................9-6
Q34. Does a VHF Rack-consol have a type? ................................................................9-6
Q35. Please tell me about RS-485. ................................................................................9-6
Q36. Please tell me about communication range? .........................................................9-7
Q37. An inspector cautioned me about contents of COMSAR/Cir.32
regarding installation of equipment. What is it about? ......................................9-8