Furuno FM-3000 Receiving and Transmitting, Push HI/LO to select the output power, if necessary

2.Basic Operation

2.2 Receiving and Transmitting

RCAUTION

Transmitting without an antenna may damage the transceiver.

qPush [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.

uPush and hold [PTT] to transmit, then speak into ∗ (Mi- crophone).

•“TX” appears.

•Channel 70 cannot be used for transmission other than DSC.

Note: Simplex channels, 3, 21, 23, 61, 64, 81, 82 and 83 CANNOT be lawfully used by the general public in U.S.A. waters.

iRelease [PTT] to receive.

eTo change the channel group, push [CH/WX] ( DW U/I/C )

while pushing [HI/LO]. (p. 6)

rRotate [CHANNEL] or push [Y]/[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-

q y	e
VOL	SQL
w	r	t

u i

∗

(Microphone)

r

spectively.

• Choose low power for short range communications, choose high

power for longer distance communications.

• Some channels are for selecting low power only.

Important: 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.

7