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Configuration
Depth - NfVlEA Input Control
Operator's Manual
(
Version 1.5
This screen allows you to configure the depth unit (meters, feet, or
fathoms) for the NA V 4 and TIDE I screens.
Depth information is accepted by the receiver from the NMEA 0183
data sentence DBK, DBS, DBT, or OPT on any input NMEA port. Refer
to the Installation & Service Manual for hardware interface instruc-
tions.
f©"CFG"T
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DGPS
DR
GPS
Initial Pos
Press the Ekey and move the cursor to the Echo Sounder Connected
line. Use the Change softkey to activate the input data options de-
scribed below:
Depth Unit - select between meters, feet, or fathoms. This data field
sets the depth unit displayed in NAV 4 and TIDE I, regardless of
whether a sensor is connected or not.
Echo Sounder Connected - causes the receiver to look for one of the
appropriate NMEA 0183 data sentences when set to
Yes.
Data Input Port No. - Select the appropriate NMEA 0183 port that the
sensor is connected to (Ports 1& 2 for MX420/2 or Ports 1,2, 5
through 10 for MX420/8), Ports 3 and 4 are reserved for the MX421
antenna controls.
Offset -
Input the appropriate offset for the sensor, based on the mea-
surement you are most interested in. If your boat draws about the
same amount of water each time you use it, you may want to put in
the difference between the sensor and the waterline height. If your
boat's draught changes from one trip to another, as would be the
case when the receiver is used on a freight ship, you may want to
put in the difference between the sensor and the lowest point of
the ship's hull.
Shallow Alarm Active - allows you to receive an alarm if the sensor
receives depth data lower than the limit you set in Alarm Limit
(below). The default setting is
Yes.
103
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