CONFIGURATION AND CALIBRATION –Software Config.
Page 59 of 80
The Digital Helm / Alarms tab allows for the selection of the number of
wheel turn for hard over to hard over of a Digital Helm device (see section
2.3.5
) as well as selections for two alarm conditions. When the FFU
Failure Alarm is turned on the system will monitor the steering gear’s
response to FFU commands and set an alarm if the steering gear does
not respond within a set time frame. The DSC can also be set to monitor
the voltage level of the incoming power supply. If the voltage level of the
power supply varies outside of a set range (±10% or ±15%) the DSC will
set an alarm.
There are three settings under the Special Modes Tab. The first setting
determines what mode of control will be engaged when the system is
powered up. The two available options are for the system to power up in
the mode and station the system was in when the power to the DSC was
turned off or the system can be set to power up in the standby mode at the
main station. The transfer function will also be engaged on systems with
more that one MCP using the lockout function. This is to ensure that no
station is locked out after a brief interruption in system power. The second
setting is determined by how the main station’s NFU input is connected to
the system (see sections 1.3.6
and 2.3.2). If the main station NFU input is
set up as a backup NFU input device then “Direct to Solenoid” should be
selected. If the main station NFU is part of the main system and
connected to the MCP then “Connected to SCP1” should be selected.
The final setting is used turn on or off the DSC’s NMEA output. At this
time the NMEA output is not available and should therefore be set to “Off”.
Doc No.: MAN01504, 20-02-06 DSC 100 & MCP 100 Manual
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