3. DESCRIPTION OF CONTROLS AND CONNECTORS
3.1 Front panel
1. PWR/VOL - Turns NEPTUNE 100 on/off and regulates audio volume reception.
2. SQUELCH knob – Regulates the squelch level (noise silencer in absence of signals).
3. Button 16 – Pressing the 16 button provides quick access to channel 16.
4. Hi/LOW – To select the high or low transmission power
5. DW button – This button activates the Dual Watch function, able to monitor two channels of
your choice.
6. DISTRESS button – The button below a soft cover sends a DISTRESS call for help. The
signal also includes your MMSI identication 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.
The Distress function, or any other DSC transmission function, is not operative until a MMSI
user code has been inserted
7. MENU/SELECT – To enter the menu of the radio and conrm the selected settings.
8. T/W button – Activates the Triple Watch function, able to monitor 3 different channels.
9. STEP/SCAN button – To select two different types of scanning.
10. MEM button – Allows to store the selected channel and insert it in the memory group.
11. UP/DOWN controls ∧/∨ – They are useful to look through the menu and to select the
channels.
12 Internal speaker - Guarantees clear listening of communications.
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