7
ENGLISH
(8) D/W button
This button activates the Dual Watch function, able to search alternatively the tuned channel
and channel 16.
(9) Button 16
Pressing the 16 button provides quick access to channel 16.
(10) DISTRESS button
The button below a soft cover sends a DISTRESS call for help. The signal also includes your
MMSI identification code and the nature of the distress. If a GPS is connected to the device,
data regarding position and time are also included in the call. For further details, see para-
graph 8.7.
The Distress function, or any other DSC transmission function, is not operative until a MMSI
user code has been inserted.
(11) LCD Display
The large LCD (liquid crystal) display constantly shows the operating status of the device as
well as being a function guide thanks to its easily readable dot matrix area.
(12) Internal speaker
Guarantees clear listening of communications.
3.2 Back panel (connections)
Warning! Faulty connections or short-circuits may seriously damage NEPTUNE. Before
attempting any connections, consult the specialized sections of this manual.
(1) Antenna socket
This SO 239 socket is for connecting an appropriate antenna.
(2) Power cable
This red/black cable has to be connected to a power source of 12 Vdc (red is positive). Atten-
tion: for 24 V power sources a converter is needed!
(3) Socket for additional external loudspeaker
You can use this jack for the connection to a suitable external loudspeaker (optional), if nee-
ded.
(4) GPS connector
Allows for connection to the optional receiver module “GPS200” cod. C723 (or other compati-
ble receiver), for obtaining, viewing and transmitting (with DSC) information regarding position
and current time data.
