6
ENGLISH
3 DESCRIPTION OF CONTROLS AND CONNECTORS
3.1 Front panel
(1) OFF/VOLUME knob
Turns NEPTUNE on/off and regulates audio volume reception. The radio is turned off when
you completely rotate the knob counter-clockwise until it clicks.
(2) SQUELCH knob
Regulates the squelch level (noise silencer in absence of signals).
(3) MICROPHONE socket
Insert the mike connector into this socket.
(4) Alphanumerical keypad
The keypad gives the possibility to select channels, to add your own MMSI identification code
and to activate/deactivate many other functions described in the following pages.
(5) FUNCTION keys
They enable to enter into the menu pages, to activate some functions such as Triple Watch,
SCAN or to activate the ATIS mode.
(6) H/L button
Push the H/L button to select high transmission power (25W) or low power (1W). The LCD
display will show HI (high power) or LO (low power).
The H/L function is accessible in normal VHF or MEM mode.
(7) button
Hold the button down to activate the display and keypad backlight (“LITE” appears on the
display). You can select 4 different backlight levels.
