VLH-3000
Page 14
7 FOG ALERT TONE FREQUENCY
This section allows you to select the Alert Tone Frequency for the Automatic
Signaling Operation. Available selections are “150 Hz” through “850 Hz” in
50 Hz steps. The default Alert Tone Frequency is 400 Hz.
1. Press and hold in the
PA
button while turning the
VLH-3000
on by rotat-
ing the
LISTEN/PWR
knob.
2. Blinks “
FWD
” and “
AFT
” icon and the
UNWY
,
STOP
,
SAIL
, and
TOW
buttons glows red corresponding to the current Alert Tone Frequency
(see chart below).
3. Switch the
UNWY
,
STOP
,
SAIL
, and
TOW
button to the desired Alert
Tone Frequency.
4. Press and hold the
PA
button for one second to save the new setting.
5. Turn the
VLH-3000
off, then turn the
VLH-3000
back on, and begin nor-
mal operation.
A
LERT
T
ONE
F
REQUENCY
150 Hz
200 Hz
250 Hz
300 Hz
350 Hz
400 Hz
450 Hz
500 Hz
550 Hz
600 Hz
650 Hz
700 Hz
750 Hz
800 Hz
850 Hz
UNWY
Green
Green
Green
Green
Green
Green
Green
Red
Red
Red
Red
Red
Red
Red
Red
STOP
Green
Green
Green
Red
Red
Red
Red
Green
Green
Green
Green
Red
Red
Red
Red
SAIL
Green
Red
Red
Green
Green
Red
Red
Green
Green
Red
Red
Green
Green
Red
Red
TOW
Red
Green
Red
Green
Red
Green
Red
Green
Red
Green
Red
Green
Red
Green
Red
A
UTOMATIC
S
IGNALING
B
UTTON
Summary of Contents for VLH-3000
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