Furuno FM-3000 Manual De Usuario

q Push [POWER] to turn power ON.
w Set the audio and squelch levels.

➥Rotate [SQL] fully counterclockwise in advance.
➥Rotate [VOL] to adjust the audio output level.
➥Rotate [SQL] clockwise until the noise disappears.

e To change the channel group, push [CH/WX] (

while pushing [HI/LO]. (p. 6)

r Rotate [CHANNEL] or push [Y

Y]/[Z

Z] on the microphone to

select the desired channel.

• When receiving a signal, “BUSY” appears and audio is emitted

from the speaker.

• Further adjustment of [VOL] may be necessary.
• Use the optional Voice scrambler function for privacy. (p. 9)

t Push [LO/DX] to turn the receive Attenuator function ON

or OFF, if necessary.

• “LOCAL” appears when the receive Attenuator is in use.

y Push [HI/LO] to select the output power, if necessary.

• “25W” or “1W” appears when high or low power is selected, re-

spectively.

• Choose low power for short range communications, choose high

power for longer distance communications.

• Some channels are for selecting low power only.

u Push and hold [PTT] to transmit, then speak into 

∗

(Mi-

crophone).

• “TX” appears.
• Channel 70 cannot be used for transmission other than DSC.

Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83

CANNOT be lawfully used by the general public in U.S.A.
waters.

i Release [PTT] to receive.

To maximize the readability of your transmitted

signal, pause a few sec. after pushing [PTT], hold the micro-
phone 2 to 4 inches (5 to 10 cm) from your mouth and speak
into 

∗

(Microphone) at a normal voice level.

∗

(Microphone)

q

w

e

r

r

t

y

u i

2.Basic Operation

7

Transmitting without an antenna may damage the
transceiver.

R

RCAUTION