Furuno FM-4000 - Manual (Page 30)

FM-4000 Page 30
10.14.2 Operating the Fog Horn mode
Operator can select from Underway, Stop, Sail, Tow, Aground, Anchor, Horn
and Siren. Refer to the Fog Horn Timing Chart on the next page.
1. Press the [F] key followed by the [9(FOG)] key.
2. Turn the CHANNEL selector knob to select one of
the eight functions described above.
3. Press the [ENT] key.
4. On the Horn and Siren modes, press the PTT switch
to activate the tone through the HAIL/PA speaker.
Rotate the CHANNEL selector knob to control the
AF output level. The AF output level can be set from
0 to 30 watts.
5. When the fog signal is not outputted, rotate the VOL
knob to adjust the listen-back volume.
6. To exit the Fog Horn mode, press the [CLR] key.
10.15 DISPLAYING SOG AND COG INFORMATION
The transceiver has the ability to display the time, SOG and COG data, as well
as the vessel’s position (LAT/LON), when connected to a GPS receiver.
1. Press the [F] key followed by the [6(NAV)] key to
display SOG and COG information.
2. To hide SOG and COG information, press the [F]
key followed by the [6(NAV)] key again.
10.16 LCD DIMMER
You can adjust the LCD dimmer as follows:
1. Press the [F] key followed by the [1(DIM)] key to enable adjustment of the
backlight intensity.
2. Turn the CHANNEL selector knob to select the de-
sired backlight intensity.
3. Press the [CLR] key to return to “Radio” mode.