Parts Of The Radio - West Marine VHF490 Owner's Manual

Parts of the Radio

Button
ENT-1W/25W Choose an option on a menu or to display the GPS data.
Channel Up Move up one channel at a time.
Channel Down Move down one channet at a time.
1st press: Go to Channel 16.
16/9-TRI 2nd press: Go to Channel 9.
3rd press: Go back to the original channel.
CLR-SCAN Go to previous menu or cursor position in menu mode.
WX-MEM Listen to the current weather conditions in your area.
CALL-MENU Display the call menu.
DISTRESS Select the nature of your distress for a distress call.
Connector/Cable
External VHF antenna with a male PL259 (SO238) connector and 50 Ω
Antenna connector impedance. Minimum 4 ft, 3dB rated antenna for sailboats, 8 ft, 6 dB rated for
power boats.
Microphone Mounting Hanger and
Mounting Bracket and Knobs
DC Power Cable
LCD
ENT- 1W/25W
display
button
WX-MEM
CALL-MENU
button
button
scan) button
Press to...
Antenna
Heat sink
connector
ANTENNA
Connects to...
VHF490 RADIO
Mounting Hardware
Accessory Cable
VOLUME-PWR (power)
CHANNEL UP /
knob (turn clockwise to
CHANNEL DOWN
buttons
16/9-TRI
SQUELCH knob
(triple/dual-watch)
(turn clockwise
button
to decrease
DISTRESS
channel noise)
button with
CLR-SCAN
cover
(channel
Change the transmit power (see page 10).
Move quickly up the channels.
Move quickly down the channels.
Go into Triple Watch or Dual Watch mode (see page 10).
Start scanning the channels saved in memory.
Save a channel into memory or remove a channel from
memory.
Display the normal menu.
Transmit a distress call.
Accessory
cable
13.8V DC
Power
Cable
1-800-BOATING
2
Mounting Hardware
increase volume)
Press and hold to...
Red wire
(+)
Black wire
(-)
For details, see ...
Connecting the radio (see page 23).