Chapter 9. Q & A
9-3
Q12. How to adjust LCD contrast? See page. 1-4, 4-1.
Press [SHIFT] key and adjust by a channel knob or by pressing [▼] and [▲]
key. It is adjustable in 16 different levels of contrasts and a set up value can be
stored even if the power is OFF/ON. As for the brightness of LCD, press SHIFT
key and adjust it with [2] key.
Q13. How to cancel menu’s protection? See page. 4-1.
See FURUNO Information: FQ5-2005-015 for the password. Make a jumper
connection between #2 and #15 pin of [PRINTER] port. Or, jumper connection
between #25 and #26 of IF-8810.
Then, press [MENU] -> SYSTEM -> [ENT] key and input the password. (The
same as FM-8500’s password: XXXXXX) After the protection is cancelled, you
can go into all system menus to register/change MMSI, etc.
Q14. Please tell me what to check after installing. See Check List.
Setting to check after installation:
- The least you have to check is to set up MMSI by
[MENU] -> SYSTEM -> MMSI
- When more than one Remote stations are installed, make sure of their ID
number.
Turn on the power while pressing [MENU] key on the Remote Handset
and then, enter ID number.
- Make sure that position data are inputted.
- Carry out DSC and voice communication test between No.1 VHF and
No.2 VHF. When you have only one VHF installed, make sure of VHF
TX output and carry out a test by going to [MENU] -> SYSTEM -> T/A
to check the monitor sound outputted from CH70 RX board.
Q15. How do I adjust the frequency? See page. 6-3.
There is no part that adjusts it. Since Transceiver’s reference OSC uses TCXO,
the stability of frequency is excellently maintained. If the frequency tolerance is
more/less than
10 ppm (Approximately +1.5 kHz) as a rule, change CPU
board which has TCXO.
Q16. How do I measure DSC tone frequency? See page. 6-5.
In the FM-8800 program, INTL Ver.-03.01 and after, also Russian Ver., tone
selected from a speaker is outputted when performing the TONE TEST.
As for the FM-8800 program (Ver.02.03 and before);
There is no part that measures it. One of VHF monitors it.
- Setup on TX side
Set up by [MENU] -> SYSTEM -> TONE TEST -> MARK or select
SPACE and PTT ON.
- Setup on RX (monitor) side
Set up by [MENU] -> SYSTEM -> T/A and measure tone frequency
by SP output.
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