Furuno FM-4000 - Manual (Page 64)

FM-4000 Page 64
12.13 ADJUSTING THE TREBLE AND BASS
Adjust the treble and bass of the speaker audio for best listening in noisy
environments. The effect is similar to adjusting the treble and bass controls on
a stereo.
1. Press and hold down the [CALL(MENU)] key
until “Radio Setup Radio Setup Radio Setup Radio Setup Radio Setup ” menu appears.
2. Press the [ENT] key, then use the CHANNEL
selector knob to select “Tone Control Tone Control Tone Control Tone Control Tone Control .”
3. Press the [ENT] key, then select “Bass Bass Bass Bass Bass ” with the
CHANNEL selector knob.
4. Press the [ENT] key, then turn the CHANNEL
selector knob to select desired audio response
in the lower frequency range. Available selec-
tions are “–
– – – –6 6 6 6 6 ” through “+6 +6 +6 +6 +6 .”
5. Press the [ENT] key to store the selected setting.
6. Select “Treble
Treble Treble Treble Treble ” with the CHANNEL selector
knob, then press the [ENT] key.
7. Turn the CHANNEL selector knob to select de-
sired audio response in the higher frequency
range. Available selections are “–
– – – –6 6 6 6 6 ” through
“+6 +6 +6 +6 +6 .”
8. Press the [ENT] key to store the selected setting.
9. To exit this menu and return to radio operation mode, press the [16/9] key.
12.14 FOG ALERT TONE FREQUENCY
You can select the tone frequency for the PA/Fog operation. The available
frequency range is 200 Hz - 850 Hz, in 50 Hz steps. The default tone fre-
quency is 400 Hz.
1. Press and hold down the [CALL(MENU)] key until
the “Radio Setup Radio Setup Radio Setup Radio Setup Radio Setup ” menu appears.
2. Press the [ENT] key, then use the CHANNEL selec-
tor knob to select “FOG Frequency FOG Frequency FOG Frequency FOG Frequency FOG Frequency ..
3. Press the [ENT] key.
4. Turn the CHANNEL selector knob to select desired
tone frequency.
5. Press the [ENT] key to store the selected setting.
6. To exit this menu and return to radio operation mode,
press the [16/9] key.