Sea Ray 390 Sundancer Owner's Manual Page 53

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2.19
SECTION 2 • GENERAL BOAT ARRANGEMENT
390 Sundancer
®
(
425 Sundancer
®
)
SYSTEMS MONITOR DISPLAY CONTROL
MONITOR (DCM)
(FIG. 2.19.1)
Never ignore an alarm.
! CAUTION
AUDIBLE RESET
ALARM SELECT
SEA RAY BOATS
ALL SYSTEMS NORMAL
SYSTEMS MONITOR
G. S YSTEMS MONITOR
The Systems Monitor consists of a Display Control
Module (DCM) located at the control station and a
Bilge Interface Module (BIM) located on the bilge
component board. The DCM and BIM are connected
to each other by a coax cable and the BIM is
continuously looking at all inputs for an alarm
condition.
The Systems Monitor is connected directly to the
12 volt battery bank through a circuit breaker and
continuously monitors two emergency high water
pumps, and two bilge pumps detector. The engine
and generator functions are only active when ignition
voltage is turned on. The circuit breaker is on the
main DC breaker panel located on the bilge
component board.
The BIM collects signals from critical engine
functions, generator oil pressure, bilge pumps and
high water emergency bilge pumps and transmits
that information to be displayed on the DCM.
The features of the DCM include a two line LCD
display with backlighting of the display, audible
alarm and an Audible Reset/Alarm Select push
button switch.
The LCD display will read in two lines. For example,
at normal operation it will read:
SEA RAY BOATS
ALL SYSTEMS NORMAL
NOTE: Some functions only read on one line. See
page 2.21 (DCM functions) for all DCM display
readouts.
Backlighting of the LCD is achieved by turning ON
the running lights switch. Intensity is controlled by
the electronic dimmer control. Both are located on
the control station switch panel.
AUDIBLE A LARMS
An audible alarm will sound to alert the operator to
look at the DCM and determine the high level fault.
Only high level faults such as generator and
emergency pumps will have an audible alarm. The
forward and aft bilge pumps do not have an audible
alarm, instead the DCM will display those functions.
AUDIBLE RESET/ALARM SELECT
The Audible Reset/Alarm Select push button
switch on the DCM is a dual purpose switch. It
enables the operator to reset an audible alarm or to
manually scroll the display during multiple alarms.
The Audible Reset is used to temporarily quiet an
alarm that is displayed on the LCD. If that function
is not corrected within 30 seconds, the audible alarm
will sound again. Pushing the switch again will
permanently quiet (turn off) the audible alarm for
that function. The LCD will still display that fault until
it is corrected.
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