Furuno MARINE VHF RADIOTELEPHONE FM-3000 - Manual (Page 65)

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13. FM-3010 CONTROLLABLE MIC
13.4 Receiving and Transmitting
q Push [PWR] to turn power ON.
w Push [VOL], then [Y
Y]/[Z Z] to adjust audio output level.
• Push [SQL], then push [Y Y]/[Z Z] to mute any audio noise, if nec-
essary.
e Push [Y Y]/[Z Z] to select the desired channel.
• When receiving a signal, “ ” appears and audio is emitted
from the speaker.
• Further adjustment of the audio level may be necessary at this
point.
• Use the optional Voice scrambler function for privacy. (pgs. 9, 59)
r Push [H/L] to select the output power, if necessary.
• “LOW” appears when low power is selected.
• Choose low power to reduce an intermodulation for other sta-
tions, choose high power for longer distance communications.
• Some channels are for selecting low power only.
t Push and hold [PTT] to transmit, then speak into the mi-
crophone.
• “ ” appears.
• Channel 70 cannot be used for transmission.
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.
y Release [PTT] to receive.
IMPORTANT: To maximize the readability of your transmit-
ted signal (voice), pause a few sec. after pushing [PTT], hold
the microphone 2 to 4 inches (5 to 10 cm) from your mouth
and speak at a normal voice level.
w Set volume
w Set squelch,
if required
r Set output
power
t Speak into
microphone
q Turn power ON
e Set channel
t Push to
transmit
y Release
to receive