Skipper CD401MR-SB Operation And Installation Manual

CD401MR-SB

Operation and Installation Manual

Multi Repeater

Document no: DM-R005-SB Edition: 2011-12-19 Rev: 1.11

SKIPPER Electronics AS Telephone: +47 23 30 22 70 Enebakkveien 150 Telefax: +47 23 30 22 71 P. O. Box 151, Manglerud E-mail: support@skipper.no 0612 Oslo, Norway Co. reg. no: NO-965378847-MVA www.skipper.no

Operation and Installation CD401MR-SB

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Sin nuestra expresa autorización, queda terminantemente prohibida la reproducción total o parcial de este documento, asì como su uso indebido y/o su exhibición o comunicación a terceros. De los infractores se exigirá el correspondiente resarcimiento de daños y perjuicios.

CD401MR-SB

Operation and Installation Manual

December 2011

Edition 2011-12-19 Sw. 1.11

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Operation and Installation CD401MR-SB

TABLE OF CONTENTS

Overview. 5 TermInology. Terms used in this manual 6

Units 6 Abbreviations 6

Introduction. The Multi Repeater 7 Chapter 1. Physical installation 8

The Dimming Inputs 9

Chapter 2. Setting up and using the Compact Display 10

Principles 10 Runtime screens 10 Menu screens 10 Shifting screens 10 Activating the runtime screens 11 Menu Diagram 12 Setup of inputs 14 Changing of the baud rate 14 Demo mode 14 Master Reset (Factory Default Settings) 14

Chapter 3. Conguring the screens 15

Runtime screens 15 Accepted NMEA sentences 15

Conguration and operational screen 16 Conguring of screens 16

Depth 17 Speed 18 Distance 19 Heading 20 Rotation 21 Pitch and Roll 22 Wind 23 Temperature 25 Drive 26 Clock/UTC 27 Display Dimming Control 27 Auxillary 28

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Error Handling 29

Chapter 4. Maintenance 30

Routine maintenance 30 Checking your version 30 Firmware upgrade 30 Mounting the Multi Repeater facing aft. 30

Appendix 1. 31

Specications and mechanical drawing 31 System specication 31

Display 31 inputs/outputs 31 Mechanical dimentions 32

Appendix 2. 33

Accepted NMEA 0183 sentences Summary 33 Detailed description 35

Appendix 3. 43

Other options with the Multi Repeater 43 Compact options 43 Changing the system/adding options 44

Appendix 4. 45

Current 45

Appendix 5. 49

Sending the system for repair 49

Notes: 50

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Operation and Installation CD401MR-SB

OVERVIEW.

_____________________________________________________________________

Terminology

Terms, units and abbreviations used in this manual.

Introduction

This part introduces you to the elements of the Multi Repeater (MR) system.

Chapter 1 – Physical installation

Correct installation of the system will ensure problem free service for many years. This section explains the main steps to get your system working.

Chapter 2 – Setting up and using the Compact Display

The Compact display is a exible intuitive display allowing data to be displayed in a

user friendly way. It is also a primary system and can be integrated into the navigation system as regulation stipulate. This chapter explains how to set up the unit.

Chapter 3 – Operation

Once the system is installed and operational, the user can change the screen to show the data of interest at any time. This section explains the operation of the system.

Chapter 4 – Maintenance

It is a good idea to verify your systems performance from time to time. This chapter describes how to check interfaces and other issues. In the event of mailfunction, this is a good place to start for trouble shooting.

Appendix 1 – Specications and drawings

Here you will nd more details of how the system works and which factors are

important to know when using it.

Appendix 2 – Accepted NMEA sentences

This section describes the inputs accepted by the compact display in this conguration

Appendix 3 - Sending the system for repair

In the unfortunate case of a failure that requires a factory repair, the described return sequence should be followed.

Appendix 4 - Other options with the Multi Repeater

The Compact can be used in a number of different system both as a repeater and a

speed log. This section explains what is available and how to activate the options.

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TERMINOLOGY. Terms used in this manual

_____________________________________________________________________

Units

Unless otherwise stated, all values shown on the display are as follows:

Depth Meters

Speed Nautical Miles per hour (knots)

Distance Nautical Miles (nm)

Heading Degrees (0 – 359.9

)

Rotation Degrees per minute (

/min)

Pitch and Roll Degrees (0 – 359.9

)

Wind Nautical Miles per hour (knots)

Meter per seconds (m/s)

Beaufort (Bft)

Temperature Degrees Celcius (

Speed Revolutions Revolutions per minute (rev/min)

Rudder Angle Degrees (0 – 359.9

)

Propeller Pitch Percentage of maximum (0 -100 %)

Clock /UTC hh:mm (00:00 – 23:59)

AbbreviAtions

In addition the following symbols are used on the Runtime screens:

TP Daily trip (in nm)

Total measured distance travelled (in nm)

Degrees

% Percentage

←↑→↓ Direction

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Operation and Installation CD401MR-SB

INTRODUCTION. The Multi Repeater

_____________________________________________________________________ The SKIPPER Multi Repeater allow important values from a variety of systems to be

displayed anywhere on the vessel. The Compact is unique in its simple and exible

way to display vital data in almost all conditions, from no light to bright sunlight. In addition, it is classed to IP 56 allowing it to be mounted outside and used in any conditions. The unit is a standard 144 mm format allowing it to be mounted in tight spaces or overhead.

MENU Up (↑)

Down (↓)

SET

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CHAPTER 1. Physical installation

____________________________________________________________________

The Multi Repeater CD401MR is a stand alone unit and does not require additional circuitry. It should be supplied by a 24 V (19 V-36 V) 25 W DC supply and the cabling of the system is as per diagram below. The unit is supplied with 2 m of cable (12 core). This can be extended without problem. Only the wires in use need extending.

Note: Mounting drawing is available in Appendix 1.

Colour Codes

Pin no. Signals

Grey 12 NMEA2 OUT B Turquoise 11 NMEA2 OUT A Pink 10 NMEA1 OUT B Orange 9 NMEA1 OUT A Violet 8 DIM DWN B Brown 7 DIM DWN A Black 6 DIM UP B White 5 DIM UP A Yellow 4 NMEA IN B Green 3 NMEA IN A Blue 2 0 V Red 1 +24 V

2 m

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Operation and Installation CD401MR-SB

the Dimming inpUts

Pulses of at least 60 ms on the dimming up and dimming down cables will cause the dimming to change by one level. The inputs are optocoupled and therefore require an external voltage to operate, (5 Volt -24 Volt (Typically 5/12/24 Volt)).

1 1

2 2

3 3

4 4

5 5

6 6

SUGGESTED IN TERFACE M ETHODS FO R DIMMING CO NTROL

All Diming Inputs DIMnnn

Input Voltage VCC 5 - 24 V

CD4 01 LR/ MR INT ERNA L CIRC UITS, SIMPLIFIE D

A lt er nat iv es

Re co mm en de d

2008.11.13 ØK 2010.05.14 ØK

Misc_IO_ExamplesNACD_4015/5

BC847A

T400

0805

100R

R400

BAV99

D400

HCPL0201

PH400

1206

1K0

R401

DIMnnnB

DIMnnnA

VCC

VCC VCC VCC

0805

X7R

100n

0805

C0G

100p

BLM21A10

0805

C0G

100p

ENA

INA

INB

OUTA+

uad 422

D ri ve r _a

OUTA-

OUTB+

OUTB-

VCC

VSS

236

DS26C31TM

+5V

CBC847A

BAV99

HCPL0201

0805

100R

0805

300R

NMxOUTB

NMxOUTA

NM2OUTB

NM2OUTA

NM1OUTB

NM1OUTA

DIMDWNB

DIMDWNA

DIMUPB

DIMUPA

NM1OUTB (Pink)

NM1OUTA (Orange)

NMEAINB (Yellow)

NMEAINA (Green)

NM2OUTB (Grey)

NM2OUTA (Turqoise)

+24V (Red)

-24V (Blue)

DIMUPB (Black)

DIMDWNA (Brown)

DIMUPA (White)

DIMDWNB (Violet)

121110

987654321

J101

TJC3_12_90

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CHAPTER 2. Setting up and using the

Compact Display

_____________________________________________________________________

principles

The Compact Display is a exible dot matrix LED display designed to display navigation

data. The Multi repeater can be user programmed to show most kinds of numerical data from NMEA messages. It can also be used as a primary sensor display for speed logs showing the speed values produced by the sensor. The Compact with its JB60CD box meets all the requirements of a primary device both functionally and electrically. On

its own it meets the requirements as a repeater. The Compact has three user denable

alphanumeric displays, each allowing up to 4 lines to be displayed. When the device is

used as a primary device, some of these screens will be xed.

rUntime screens

The Compact Display starts up in runtime mode. By pressing the MENU button, the preset runtime screens can be selected. The unit can be dimmed in any of the runtime screens using the UP and DOWN buttons.

menU screens

To change the setup of the Multi Repeater, the user must simultaneously press MENU

and SET buttons. This will give access to a menu system allowing the user to scroll up and down the sub menus and functions using UP , DOWN and SET buttons to select. To move back up a menu, the MENU button must be pressed. The middle underlined line is the selected line. The other lines are dimmed.

The menu structure is shown in the MENU DIAGRAM. The menus are product dependant, only the relevant menus are accessible. Some menus are available in all setups.

Press both MENU and SET buttons to activate the menus. Press and hold MENU to return to runtime screen

shifting screens

The system can be made to shift, with a ve second period, between the activated

screens. Pressing MENU will pause this function, and holding MENU will reactivate it.

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Operation and Installation CD401MR-SB

ActivAting the rUntime screens

The system has three user preset runtime screens (SCR1, SCR2, SCR3). The Screen

Menu allows the user to congure and choose which runtime screens to be included in

normal operation. UP and DOWN buttons will scroll to the available screens. By using the SET button, the user can control each individual screen to ON, OFF or SHIFTING. Screens set to ON are available to be displayed by pressing the MENU button. Screens set to OFF will not be displayed. Screens set to SHIFTING will be shown on the

display periodically. Each shifting runtime screen will be displayed for 5 seconds.

SHIFTING

OFF

If any screens are congured to SHIFTING, these selected screens will automatically

start displaying periodically. The shifting of these preset runtime screens are stopped if the MENU button is pressed in runtime mode. By holding down the MENU button longer, the shifting will be started again.

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Screens (SCRN)

Select runtime screens ▲ Next sub menu

▼ Prev sub menu

SET select sub menu MENU return

Screens (SCRN)

▲ Next runtime screen

▼ Prev runtime screen

SET activate/deactivate/ shifting runtime screens SCR1 SCR2 SCR3 INFO

menU DiAgrAm

Screen Conguration (CONFG)

Change the messages being displayed on each user screen ▲ Next sub menu

▼ Prev sub menu

SET select sub menu MENU return

Cong (CONFG)

▲ Change display message

▼ Change display message

SET move to next position on screen CFG 1 CFG 2 CFG 3

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Operation and Installation CD401MR-SB

System Setup (SETUP)

Setup the system parameters ▲ Next sub menu

▼ Prev sub menu

SET select sub menu MENU return

Baud Settings (NMEA)

▲ Higher value

▼ Lower value

Menus, scrollable menu system

Accessed with SET and MENU pressed simultaneously ▲ Next sub menu

▼ Prev sub menu

SET select sub menu MENU return

Diagnostics Advanced Setup (DIAG)

Diagnose and adjust less used parameters ▲ Next sub menu

▼ Prev sub menu

SET select sub menu MENU return

Code option activation (CODE)

Shows serial no Code number with active digit underlined ▲ Increment underlined digit ▼ Move to next digit SET activates the displayed code

Upgrade mode (UPGRD)

Allow the system to upgrade from cable

Demo (DEMO)

▲ Increment mode

▼ Decrement mode

MENU accept mode Mode 1 = dynamic Mode 2 = static Off

Splash screen (INFO)

▲ Dimming up ▼ Dimming down

Option info Software version

Self Tests (TEST)

▲ Next test ▼ Previous test

SET starts selected test

NMEA output

Select NMEA outputs ▲ Move to next message

▼ Move to previous message

SET turn on/off current message IIVDR PSKPVDR

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setUp of inpUts

The system will allow many NMEA formats to be displayed. The system will automatically update recognized formats.

chAnging of the bAUD rAte

The NMEA (IEC61162-1) standard is 4800 baud. Some vessels run with higher baud rates. 4800, 9600, 19200, 38400, 57600 and 115200 baud rates can be selected in the baud screen of the setup menu.

Demo moDe

A demo mode is available, and can be activated with MENU button in the diagnostics menu. Two modes are available.

• Mode 1 is a dynamic demo mode taking the present value as the start point and slowly varying all the available values.

• Mode 2 is a static mode taking the present values and keeping them active.

• Mode 3 is a xed speed longitudinal 5 kn, transversal 1 kn.

When the demo mode is active, alarms will be disabled, and the screen will indicate the demo state with a blinking S in the upper right corner. The user can turn off the demo mode from the demo screen, or by recycling the power. The demo mode will turn off automatically after 10 hours.

mAster reset (fActory DefAUlt settings)

The factory default settings can be restored by performing the following operations:

1. Select CODE in diagnostic (DIAG) menu.

2. Press the SET button (Note: Do not change code value).

The unit will now restart with factory default settings.

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Operation and Installation CD401MR-SB

CHAPTER 3. Conguring the screens

_____________________________________________________________________

rUntime screens

The unit starts up in runtime mode. By pressing the MENU button, the preset runtime screens (SCR1, SCR2, SCR3) can be selected. The unit can be dimmed in any of the runtime screens using the UP and DOWN buttons. If Trip/Total are selected as a displayed parameter, they can be toggled using the SET button. If wind speed is selected as a displayed parameter, the unit can be toggled between knots, m/s, or Beaufort using the SET button.

AccepteD nmeA sentences

When using the Compact Display as a Multi Repeater, the display could be user programmed to show the most commonly used NMEA 0183 (IEC61162) messages for:

Depth Below surface, keel and transducer

Speed Over ground and through water (longitudinal, transverse, aft and

relative)

Distance Total/trip for both ground and water

Heading True, magnetic and relative

Rotation Rate of turn and direction

Pitch and roll In degrees

Wind Speed and direction (true, magnetic and relative)

Temperature Water and air

Drive RPM (Revolutions Per Minute), propeller pitch and rudder position

Clock UTC (Universal Time Coordinated), local time and Expected Time

of Arrival (ETA)

Dimming Display dimming

Auxillary User dened NMEA messages

A summary of supported NMEA sentences is listed in Appendix 2.

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configUrAtion AnD operAtionAl screen

The programming of parameters to show on the screen is very exible. It is advise to

add leading text before the parameters and not mixing to many different messages. A

typical conguration is to show two related parameters on the screen simultaneously

with leading text. Arrows are added to some parameters for better readability. Press MENU and SET button simultaneously to enter the main menu screen, select CONFG

and then select wanted screen (CFG1, CFG2 or CFG3) to start congure wanted screen.

See chapter 2 ”Setting up and using the Compact Display” on how to program the display to show wanted information on the screen.

configUring of screens

The 3 user programmable screens can be set up using the

Cong (CONFG) menu. This submenu allows the user to select one of the three screens, and on entering the Cong

screen, the user can change the data type to be displayed in each of the 4 screen positions. UP and DOWN will change the data type, SET will move to the next screen position.

Placing TXT in the bottom 4th line or 3rd and 4th line will cause the data to spread out showing fewer data points. The system will not allow you to mix speed data from different sources on the same screen. Having 2 TXT lines after each other will also rearrange the positioning. (See examples on next page).

The non-active parameters will continue showing the dimmed present data, when not selected. Some combinations of data are not allowed, as they may cause confusion. These will be automatically corrected. Note that the leading text is identical for some data, and information about talkers are ignored. Regulations require the user to be able to identify which data they are looking at. This can be acheived by using the TXT function or a sticker on the unit.

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Operation and Installation CD401MR-SB

Depth

The NMEA sentences DPT, DBS, DBT, DBK and PSKPDPT are all supported for receiving information about the depth. The use of the DPT sentence is recommended when available. Depth values in feet and fathoms (from DBK, DBT and DBS) are converted to meters. The screen will display either DEPTH-S (depth below surface), DEPTH-T (depth below Transducer) or DEPTH-K (depth below keel) depending of the received sentences (DBS, DBT or DBK) or the offset value in DPT. The proprietary sentence PSKPDPT will also indicate the transducer location with an arrow in the text line.

The depth is always displayed in meters. Depth values below 10 meters are displayed with 2 decimals, depth values between 10 and 100 meters are displayed with 1 decimal and depth above 100 meters are displayed without decimals.

Maximum depth value to be displayed is 9999 meters.

Cong.

screen:

Runtime screen:

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Speed

The NMEA sentence VBW is supported for receiving information about the speed through water and speed over ground (bottom) for longtiudinal, tranverse and transverse aft. The NMEA sentences VHW and VTG are supported for receiving information about relative speed.

• An arrow, indicating the direction, is added in front of the value for speed values from the NMEA sentences VBW.

• The relative speed through water is fetched from the NMEA sentence VHW.

• The relative speed over ground is fetched from the NMEA sentence VTG.

• Speed value in km/h is converted to knots if speed value in knots is not available.

• Relative speed is displayed without arrows.

• All speed values are displayed in knots with one decimal. Maximum speed value to

be displayed is +/- 99.9 knots.

Cong.

screen:

Runtime screen:

The Multi Repeater will accept the NMEA sentence VMXDR to change the direction of the speed through water. Receiving the following NMEA sentence will change the direction of the STW: $VMXDR,A,180,D,SPDD*hh<CR><LF> An arrow symbol is added in front of the STW text to indicate that the speed direction is reversed. Receiving the following NMEA sentence will change the direction of the STW back to normal: $VMXDR,A,0,D,SPDD*hh<CR><LF>

The VMXDR sentence must be valid together with the VBW sentence.

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Operation and Installation CD401MR-SB

The Compact Multi Repeater Backwards (CD MB) will display the arrow symbol in both directions if VMXDR with speed direction information is received. Note that the Compact Multi Repeater Backwards already displays the STW speed in opposite direction, so receiving information about reverse speed will again turn the speed direction with 180 degrees.

Screen with arrow symbol in reverse direction:

Distance

The NMEA sentence VLW are supported for receiving information about distances. The Trip/Total parameters for either water distance or ground distance can be toggled using the SET button.

The distance values are always displayed in nautical miles and the value will wrap around after reaching the maximum value of 99999. Total/trip values below 10 are displayed with two decimals, values between 10 and 1000 with one decimal and values above 1000 are displayed with no decimals.

Conguration

screen:

Runtime screen:

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Heading

The NMEA sentences VHW, VTG, THS, HDT, HDM and HDG are all supported for receiving information about the heading. It is recommended to use THS instead of HDT and HDG instead of HDM when available. The deviation and variation parameters in HDT are ignored.

If the same heading parameter is received from different talkers, the heading parameter will be prioritized as shown below:

1. Gyro, north seeking (HE).

2. GPS (GP).

3. Compass, magnetic (HC).

4. Others.

An arrow is added on the text line to indicate which direction the bow turns. If no change in heading from previous value, no arrow is displayed.

The heading value is always displayed with one decimal. Legal range for the heading to be displayed, are values in the range from 0 to 359.9 o.

Cong.

screen:

Runtime screen:

Direction of turn is to port.

Direction of turn is to starboard.

No change in heading since last message.

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Operation and Installation CD401MR-SB

Rotation

The NMEA sentence ROT is supported for receiving information about the rotation. A steady arrow is added on the text line to indicate which direction the bow turns.

• A positive received value indicates that bow turns to starboard and an arrow to the right is displayed.

• A negative received value indicates that bow turns to port and an arrow to the left is displayed.

• A value of zero indicates no rotation and no arrow is displayed.

Values below 99.9 are displayed with one decimal. Values above 100 are displayed with no decimals. Maximum value to display is +/- 999O/min.

Conguration

screen:

Runtime screen:

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Pitch and Roll

The NMEA sentence XDR, version B is supported for receiving information about the Pitch and Roll.

• A positive received value for Pitch indicates that the bow is up and negative if bow is down.

• A positive received value for Roll indicates that port is up and starboard is down, a negative value indicates that starboard is up and port is down.

Values below 10 degrees are displayed with two decimals and values above 10 degrees with one decimal. Maximum value to be displayed is +/- 359.9O.

Conguration

screen:

Runtime screen:

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Operation and Installation CD401MR-SB

Wind

The NMEA sentences MWV, VWR, VWT and MWD are all supported for receiving information about the wind speed and direction. MWV is recommended instead of VWR and VWT, when available. All wind speed units are accepted (knots (N), m/s (M) and km/h (K)) and converted to wanted speed units to display on the sceen. Speed units on the display may be toggled between kn (knots), m/s and Bft (Beaufort) by pressing the SET-button.

A graphical representation of the wind angle is displayed if the following parameters are selected:

• TXT must be selected for the rst two parameters.

• One wind angle must be selected.

• Corresponding wind speed from the same NMEA sentence could be selected.

Otherwise TXT must be selected.

• The wind angle is represented by an arrow on the screen.

See chapter 2 ”Setting up and using the Compact Display” for details how to set up the screen.

The range of values to be displayed, are:

• Speed: 0 - 99.9 knots.

• Heading: 0 – 359.9

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Cong.

screen

Runtime

screen:

SET button has been pressed for toggling the speed units to m/s.

Conguration

screen:

Graphical representation

Runtime screen:

SET button has been pressed for changing between knots, m/s and Beaufort units.

Wind, (continued from previous page):

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Operation and Installation CD401MR-SB

Temperature

The NMEA sentences MTA, MTW and MDA are supported for receiving information about the air (MTA or MDA) and water (MTW) temperatures. Air temperature from MDA is used if data from MTA is not available.

Temperatures are displayed in degree Celcius. Values below 10 degrees are displayed with two decimals and values above 10 degrees with one decimal. The maximum/ minimum temperatures to be displayed are +/- 99.9 oC.

Conguration

screen

Runtime screen:

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Drive

• The NMEA sentence RPM is supported for receiving information about the speed revolutions (rev/min) and propeller pitch (% of maximum).

• The NMEA sentence RSA is supported for receiving information about the rudder angle.

The speed revolution values below 999.9 is displayed with one decimal and values above 1000 is displayed without decimals. Propeller pitch values below 10 degrees are displayed with two decimals and values above 10 degrees with one decimal.

• Max./min. value to be displayed for speed revolution is +/- 9999 rev/min.

• Max./min. value to be displayed for propeller pitch is +/- 100 %.

• Max./min. value to be displayed for rudder angle is +/- 359.9 o.

Conguration

screen:

Runtime screen:

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Operation and Installation CD401MR-SB

Clock/UTC

The UTC is fetched from either of the NMEA sentences ZTG, ZDA, GGA or RMC, prioritized in the same order. The NMEA sentences ZDA is used for receiving information about the local time. The NMEA sentences ZTG is used for receiving information about expected time of arrival. Maximum offset for displayed time of ”Expected Time of Arrival” is 24 hours. All time values are displayed with the format hh:mm, where hh are hours and mm are minutes.

Cong.

screen:

Runtime screen:

Local time is UTC – (1h 30 min).

Expected Time of Arrival is UTC + (20h 45 min).

Display Dimming Control

The brightness of the display can be controlled by the NMEA sentence DDC. Note that the brigthness also can be controlled by buttons on the display and remote dimmer control (IR30DIM). Both the Brigthness Percentage and Display Dimming Preset are supported in the NMEA sentence DDC. (See Appendix 2).

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Auxillary

A proprietary NMEA sentence is supported which allow the user to dene up to 4 additional parameters to be displayed from any specied NMEA sentence(s). This

proprietary NMEA sentence has the following format:

$PSKPPCCPNMEA, <Auxillary number>,<Header>,<Data Field number.>,<Type>,

< Status eld number >,< Status valid character >,<Text>*hh<CR><LF>

Example: Fetch a propritary NMEA sentence for roll & pitch and display the values: $PPPRP,<a>,<b><CR><LF> where <a> is roll data parameter and <b> is pitch data parameter.

Fetch also the parameters for both port and starboard rudder angle from the following NMEA message: $SGRSA,<a>,A,<b>,A<CR><LF> where <a> is starboard rudder

sensor and <b> is port rudder sensor and ’A’ is status for each corresponding data eld

parameter. The following NMEA sentences must be sendt to the Compact display to accept these parameters:

$PSKPPCCPNMEA,1,PPPRP,0,8,,ROLL<CR><LF> $PSKPPCCPNMEA,2,PPPRP,1,8,,PITCH<CR><LF> $PSKPPCCPNMEA,3,SGRSA,0,8,1,A,SRUD<CR><LF> $PSKPPCCPNMEA,4,SGRSA,2,8,3,A,PRUD<CR><LF>

Select the AUX1 in the meny to display the roll parameter, select the AUX2 in the meny to display the pitch parameter, select AUX3 in the menu to display the starboard rudder angle and AUX4 in the menu to display the port rudder angle.

Conguration screen:

Runtime screen:

Received NMEA sentence:

$PPPRP,12.31,1.22 $SGRSA,3.4,A,0.2,A

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Operation and Installation CD401MR-SB

error hAnDling

All parameters within each NMEA sentences are checked for checksum, legal range, validity and timeout.

Bad checksum ( - - - - -)

If the Checksum Field (*hh) is present, the value is checked. The screen will indicate bad checksum by displaying minus signs instead of the value (- - - - -). If no Checksum Field is present, no checking is performed.

Illegal range and validity (. . . . .)

Some values must be within a range. If a value is out of range, the following exception is performed:

• Wrap around: The displayed value will start from zero again after reaching the maximum/minimum value (Trip values, only).

• Limited value: The maximum or minimum value will be displayed (Speed and temperature values).

• Illegal value: The value has no meaning (ex. heading values above 360O). The

screen will indicate illegal value by displaying dots instead of the value (. . . .).

A Null eld is a eld in the NMEA sentence without any character between two delimiter characters. A Null eld indicates that the value is unreliable or not available. The screen

will indicate a Null eld by displaying dots instead of the value (. . . . . ) if no value is

received within the timeout timeframe.

Some parameters has a status parameters associated with them (A = data valid, V = data invalid). The screen will indicate an invalid parameter by displaying dots instead of the

value (. . . . .) if no new valid value is received within the timeout timeframe.

Timeout (ERROR)

The timeout value for each parameter within each NMEA sentence is 10 seconds. The screen will indicate timeout by displaying an error message (ERROR) if no new value is received within the timeout timeframe.

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CHAPTER 4. Maintenance

_____________________________________________________________________

roUtine mAintenAnce

No maintenance is required. The screen can be cleaned with a soft cloth.

checking yoUr version

If the Info screen is activated on the run screens, the system type and rmware version

can be read from there. Otherwise the same screen can be obtained in the diagnostics menu. The system type will be one of the following:

CD E1 Compact display EML 1 Axis.

CD E2 Compact display EML 2 Axis.

CD EB Compact display EML 2 Axis backwards.

CD LR Compact display Log Repeater.

CD MR Compact display Multi Repeater.

CD MB Compact display Multi Repeater backwards.

The system will be locked to one of these setups, but can be changed to one of the other systems (with an additional cost) using a code (see Appendix 4).

firmwAre UpgrADe

The system is undergoing continuously improvements, and periodically new rmware

will be released. A chip can be supplied (with an additional cost) with the new software. This is changed by removing the backplate of the Compact display.

moUnting the mUlti repeAter fAcing Aft.

The Compact Display could also be set up to operate in ”Multi Repeater, Backwards” mode. In this mode all speeds are in opposite direction. See the section ”MAINTENANCE” on how to change the system setup. The parameters in ”Multi Repeater, Backwards” mode will be replaced according to the following:

STWWL = - STWWL SOGBL = - SOGBL STWWT = - STWWA SOGBT = - SOGBA STWWA = - STWWT SOGBA = - SOGBT

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Operation and Installation CD401MR-SB

APPENDIX 1.

specificAtions AnD mechAnicAl DrAwing

_____________________________________________________________________

system specificAtion

Power Supply DC: 19 - 36 V/25 Watt.

Display 28 x 30 pixel, Alphanumeric LED (red). With dimming.

Languages English.

Accessories Dimming control.

Classication IMO MED B.

Service Available in most major harbours, world-wide through extensive

dealer network. See www.skipper.no for further information.

DisplAy

Weight (display) 1.3 kg.

Cable length 2 m (can be extended).

Compass safe distance (min) 30 cm.

User adjustable screens 3

Parameters per screen 2 with text, 3 with single text line.

inpUts/oUtpUts

Outputs 2 x NMEA (IEC61162-1) (2007).

Inputs 1 x NMEA (IEC61162-1) (2007).

External Dimming (up and down pulses).

Operation and Installation CD401MR-SB

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Menu Set

144 [5,669]

Power consuption: 24 VDC/ 3W Protection code: IP56

COMPACT DISPLAY

SKIPPER

.....

Set

mechAnicAl Dimentions

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Operation and Installation CD401MR-SB

APPENDIX 2.

AccepteD nmeA 0183 sentences sUmmAry

NMEA Sentence

Description Parameter

Name

Screen name

Depth

DPT Water Depth in meters DPT DEPTH-K

DEPTH-T DEPTH-S

DBK Water Depth below Keel in meters DBK DEPTH-K

DBT Water Depth below Transducer in meters DBT DEPTH-T

DBS Water Depth below Surface in meters DBS DEPTH-S

PSKPDPT SKIPPER proprietary depth sentence PDPT DEPTH-K

DEPTH-T DEPTH-S

Speed

VBW Longitudinal Water Speed STWWL STW

Transverse Water Speed STWWT STW

Transverse Water Speed, Aft STWWA STW

Longitudinal Ground Speed SOGBL SOG

Transverse Ground Speed SOGBT SOG

Transverse Ground Speed, Aft SOGBA SOG

VHW Speed Through Water in knots, relative STW-R STW-R

VTG Speed over Ground in knots, relative SOG-R SOG-R

XDR Water Speed direction - -

Distance

VLW Water-track Distance since reset TRIPW TRIPW

Water-track Total distance TOTLW TOTLW

Bottom-track Distance since reset TRIPB TRIPB

Bottom-track Total distance TOTLB TOTLB

Heading. VHW Heading, degrees, true HDW-T HDG.T

Heading, degrees, magnetic HDW-M HDG.M

VTG Heading (Course Over Ground), degrees,

true

COG-T COG.T

Heading (Course Over Ground), degrees, magnetic

COG-M COG.M

THS Heading, degrees, true THS HDG.T

HDT Heading, degrees, true HDT HDG.T

HDM Heading, degrees, magnetic HDM HDG.M

HDG Heading, degrees, magnetic HDG HDG.M

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NMEA Sentence

Description Parameter

Name

Screen name

Rotation

ROT Rate of Turn in degrees/minute ROT ROT

Pitch and roll

XDR Pitch PITCH PITCH

Roll ROLL ROLL

Wind

MWV Wind angle, Theoretical (True) MWVAT WIND-T

Wind angle, Relative MWVAR WIND-R

Wind Speed in knots MWVNT WIND-T

Wind speed in m/s MWVMT WIND-T

Wind speed in Beaufort MWVBT WIND-T

Wind Speed in knots MWVNR WIND-R

Wind speed in m/s MWVMR WIND-R

Wind speed in Beaufort MWVBR WIND-R

VWR Wind angle, Relative VWR-A WIND-R

Wind Speed in knots VWR-N WIND-R

VWT Wind angle, True VWT-A WIND-T

Wind Speed in knots VWT-N WIND-T

MWD Wind angle, True MWD-T WIND-T

Wind angle, Magnetic MWD-M WIND.M

Wind Speed in knots MWD-N WIND

Temp. MTA, MDA Air Temperature in degree Celcius ATEMP AIRTEMP

MTW Water Temperature in degree Celcius WTEMP W.TEMP

Drive

RPM Revolutions / min RPM RPM

Propeller Pitch (% of maximum) PPTCH P.PITCH

RSA Rudder Sensor Angle RSA RUDDER

Clock/ UTC

ZTG, ZDA, GGA, RMC

UTC (hh:mm) UTC UTC

ZDA Local Time (hh:mm) LOC LOC

ZTG Expected Time of Arrival (UTC) (hh:mm) ETA E TA

Display dimming

DDC Display Dimming Control

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Operation and Installation CD401MR-SB

NMEA Sentence

Description Parameter

Name

Screen name

Auxillary

Dened by

proprietary NMEA sentence

User dened message 1 (Auxillary 1) AUX1 Dened by

proprietary NMEA sentence

User dened message 2 (Auxillary 2) AUX2

User dened message 3 (Auxillary 3) AUX3

User dened message 4 (Auxillary 4) AUX4

DetaileD Description

Depth:

Parameter name

Depth

$--DPT, x.x, x.x*hh<CR><LF>

DPT

Offset from transducer, in meters (see Note 1)

Water depth relative to the transducer, in meters

Depth Below Surface

$--DBS, x.x, f, x.x, M, x.x, F*hh<CR><LF>

DBS

Water depth relative to the surface, in fathoms Water depth relative to the surface, in meters

Water depth relative to the surface, in feet

Depth Below Transducer

$--DBT, x.x, f, x.x, M, x.x, F*hh<CR><LF>

DBT

Water depth relative to the transducer, in fathoms Water depth relative to the transducer, in meters

Water depth relative to the transducer, in feet

Depth Below Keel

$--DBK, x.x, f, x.x, M, x.x, F*hh<CR><LF>

DBK

Water depth relative to the keel, in fathoms Water depth relative to the keel, in meters

Water depth relative to the keel, in feet

SKIPPER Proprietary sentence

$--PSKPDPT,x.x,x.x, , , ,c-c*hh<CR><LF>

PDPT

Transducer location (FWD/AFT/PORT/STB) Offset from transducer, meters (see Note 1) Water depth relative to transducer, meters

Note 1: Positive value indicates distance from transducer to water line. Negative value indicates distance from transducer to keel.

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Speed:

Parameter name

Dual Ground/Water Speed

$--VBW,x.x, x.x, A, x.x, x.x, A, x.x, A, x.x, A*hh<CR><LF>

Status, stern ground speed

A= data valid, V= data invalid

Stern transverse ground speed, in knots SOGBA

Status, stern water speed.

A= data valid, V= data invalid

Stern transverse water speed, in knots

STWWA

Status, ground speed

A= data valid, V= data invalid

Transverse ground speed, in knots SOGBT

Longitudinal ground speed, in knots SOGBL

Status, water speed.

A= data valid, = data invalid

Transverse water speed, in knots STWWT

Longitudinal water speed, in knots STWWL

Water Speed and Heading

$--VHW, , , , , x.x, N, x.x, K*hh<CR><LF>

Relative water speed, in km/h STW-R

Relative water speed, in knots

Course Over Ground and Ground Speed

$--VTG, , , , , x.x, N, x.x, K,*hh<CR><LF>

Relative ground speed, in km/h SOG-R

Relative ground speed, in knots

Speed direction

$VMXDR,A,x.x,D,SPDD*hh<CR><LF>

Transducer ID must be SPDD

Units of measure, D = degrees

Measurement data for speed direction must be either 0 or 180

Transducer type must be A (Angular displacement)

Distance:

Parameter name

Dual Ground/Water Speed

$--VLW, x.x, N, x.x, N, x.x, N, x.x, N*hh<CR><LF>

Ground distance since reset TRIPB

Total cumulative ground distance TOTLB

Water distance since reset TRIPW

Total cumulative water distance TOTLW

Note: All distance values must be specied in nautical miles.

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Operation and Installation CD401MR-SB

Heading:

Parameter name

Water Speed and Heading

$--VHW, x.x, T, x.x, M, , , ,*hh<CR><LF>

Heading, degrees magnetic

HDW-M

Heading, degrees true

HDW-T

Course Over Ground and Ground Speed

$--VTG, x.x, T, x.x, M, , , ,*hh<CR><LF>

Course over ground, degrees magnetic

COG-M

Course over ground, degrees true

COG-T

True Heading and Status

$--THS, x.x, a*hh<CR><LF>

Mode indicator (see Note)

Heading, degrees true

THS

Note: The Mode indicator is ignored

Heading True

$--HDT, x.x, T*hh<CR><LF>

Heading, degrees true

HDT

Heading Magnetic

$--HDM, x.x, M*hh<CR><LF>

Heading, degrees magnetic

HDM

Heading, Deviation and Variation

$--HDG, x.x, , , ,*hh<CR><LF>

Magnetic sensor heading, degrees

HDG

Rotation:

Parameter name

Rate Of Turn

$--ROT, x.x, A*hh<CR><LF>

Status: A=data valid, V=data invalid

Rate of turn (

/min), ”-” = bow turns to

port

ROT

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Pitch and Roll

Parameter name

Transducer Measurements

$--XDR, a, x.x, D, PTCH, a, x.x, D, ROLL*hh<CR><LF>

Transducer ID must be set to ROLL

Units of measure, D = degrees

Measurement data for Roll ROLL

Transducer type must be set to A

(Angular displacement)

Transducer ID must be set to PTCH

Units of measure, D = degrees

Measurement data for Pitch

PITCH

Transducer type must be set to A

(Angular displacement)

Wind:

Parameter name

Wind Speed and Angle

$--MWV, x.x, a, x.x, a, A*hh<CR><LF>

Status, A = data valid, V = data invalid

Wind speed units,

K = km/h M = m/s N = knots

MWVNT MWVMT MWVBT MWVNR MWVMR MWVBR

Wind speed

Reference,

R = relative T = true

Wind angle, 0

to 359

MWVAT MWVAR

Relative Wind Speed and Angle

$--VWR, x.x, a, x.x, N, x.x, M, x.x, K*hh<CR><LF>

Wind speed in km/h

VWR-N

Wind speed in m/s

Wind speed in knots

Left/right L/R of vessel heading

VWR-A

Wind angle relative to the vessel, 0 to 180

True Wind and Speed Angle

$--VWT, x.x, a, x.x, N, x.x, M, x.x, K*hh<CR><LF>

Wind speed in km/h

VWT-N

Wind speed in m/s

Wind speed in knots Left/right L/R of vessel heading

VWT-A

Wind angle relative to the vessel, 0 to 180

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Operation and Installation CD401MR-SB

Wind:

Parameter name

Wind Direction and Speed

$--MWD, x.x, T, x.x, M, x.x, N, x.x, M*hh<CR><LF>

Wind speed, m/s

MWD-N

Wind speed, knots

Wind direction, 0 to 359 degrees Magnetic

MWD-M

Wind direction, 0 to 359 degrees True

MWD-T

Temperature:

Parameter name

Air Temperature

$--MTA, x.x, C*hh<CR><LF>

Temperature, degree C

ATEMP

Meteorological Composite

$--MDA, , , , , x.x, C, , , , , , , , , , , , , ,*hh<CR><LF>

Air temperature, degree C

ATEMP

Water Temperature

$--MTW, x.x, C*hh<CR><LF>

Temperature, degree C

WTEMP

Drive:

Parameter name

Revolutions

$--RPM, , ,x.x, x.x, A*hh<CR><LF>

Status: A=data valid, V=data invalid

Propeller pitch, % of max, ”-”=astern

PPTCH

Speed, revolutions/min, ”-” counter clockwise

RPM

Rudder Sensor Angle

$--RSA, x.x, A, , hh<CR><LF>

Status: A=data valid, V=data invalid

Rudder sensor

RSA

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Clock / UTC

Parameter name

UTC & Time to Destination Waypoint

$--ZTG, hhmmss.ss, hhmmss.ss,*hh<CR><LF>

Time-to-go (max 24 h)

ETA

UTC of observation

UTC

Time & Date

$--ZDA, hhmmss.ss, , , , x.x, x.x*hh<CR><LF>

Local zone minutes, 00 to +59

LOC

Local zone hours, 00 to +/- 13

UTC of observation

UTC

Global Positioning System Fix Data

$--GGA, hhmmss.ss, , , , , , , , , , , , ,*hh<CR><LF>

UTC of position

UTC

Recommended Minimum Specic GNSS Data

$--RMC, hhmmss.ss, , , , , , , , , , ,*hh<CR><LF>

UTC of position

UTC

Display Dimming:

Display Dimming Control

$--DDC, a, xx,*hh<CR><LF>

Brigthness Percentage:

00 (min) to 99 (max)

Display Dimming Preset:

D = Day time setting (max) K = Dusk setting N = Nigth time setting O = Backligth off setting (min)

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Operation and Installation CD401MR-SB

Auxillary:

SKIPPER proprietary $PSKPPCCPNMEA, <Auxillary number>,<Header>,<Data Field number.>,<Type>,

< Status eld number >,< Status valid character >,<Text>*hh<CR><LF>

<Auxillary number> The auxillary number for the wanted user dened parameter. Each

additional parameter must be dened with an unique auxillary number.

Legal values are 1, 2, 3 or 4.

<Header> This character string follows the ’$’-sign in the specied NMEA

sentence. Up to 15 characters could be dened here.

<Data eld number> Field number for the data to receive within the specied NMEA sentence,

starting with 0 after the rst eld delimiter. Legal values will be limited

by the maximum number of characters in a NMEA sentence.

<Type> Data type of the parameter. The following data types are dened:

0: Unsigned value 1: Signed value 2: Depth in meters 3: Speed without arrow and postx 4: Longitudinal speed with arrow 5: Transverse speed with arrow 6: Speed with knots as postx 7: Heading with arrow to indicate the direction the bow turns 8: Heading / Direction without arrow

9: Rotation 10: Temperature 11: Percentage

See table of summary of supported data types for user dened messages

<Status eld number.> Field number for status within the specied NMEA sentence, starting

with 0 after the rst eld delimiter. Legal values will be limited by the

maximum number of characters in a NMEA sentence.

<Status valid character> The valid character for the status eld is dened here. The data in the

data eld will only be valid if the staus eld contains this specied character. A Null eld indicates that the status eld is not used and the

recieved parameter data is always valid.

<Text> Character string to be displayed if text (TXT) is selected. Only large

english characters are accepted. The string can be up to 5 characters long, but limited to 3 characters for some types, see the description <Type > for limitations.

The text is truncated if more characters are dened. A Null eld is

interpreted as blank text.

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Summary of supported Data Types for User dened messages:

Data Type

No.

Data Type name

Legal Data Type

Range

Screen output

Format / Comments

Out of range

(screen)

Within Range

Min. Max. Below Above Pre-xPost-

x

0 Unsigned

value

-99999.99 99999.99 ’.....’ ’.....’ None None Values between 0 and 9.99

are displayed with 2 decimals. Values between 10 and 99.9 are displayed with one decimal. Values above 100 are displayed without decimals.

1 Signed value - 9999.99 9999.99 ’.....’ ’.....’ None

or’ – ’

None

2 Depth in

meters

0 9999.99 ’.....’ ’9999’ None ’ m ’

3 Speed

without arrow

and postx

- 99.9 99.9 ’99.9’ ’99.9’ None None All speed values in knots with one decimal. Negative values are displayed without minus sign.

4 Longitudinal

speed with arrow

- 99.9 99.9 ’99.9’ ’99.9’ ’ ↑  ’or

’ ↓ ’

None All speed values in knots with

one decimal. Negative values indicates astern direction.

5 Transverse

speed with arrow

- 99.9 99.9 ’99.9’ ’99.9’ ’ → ’or ’

← ’

None All speed values in knots with

one decimal. Negative values indicates port direction.

6 Speed with

knots as

postx

- 99.9 99.9 ’99.9’ ’99.9’ None ’ kn ’ All speed values in knots with one decimal. Negative values are displayed without minus sign.

7 Heading

with arrow to indicate the direction the bow turns

0 360 ’.....’ ’.....’ None ’

’ All values are displayed with

one decimal. An arrow (’←’ or’ →’) is added in the text line to

indicate direction the bow turns.

The <Text> eld must therefore

be limited to 3 characters for this type. The direction of turn is calculated based on previous heading value.

8 Heading /

Direction without arrow

0 360 ’.....’ ’.....’ None

’ O

’ All values are displayed with one

decimal.

9 Rotation - 999 999 ’.....’ ’.....’ None

’ O

/m ’ Values below 99.9 are displayed

with one decimal. Values above 100 are displayed with no decimals. An arrow (’←’ or’

→’) is added in the text line

to indicate which direction the

bow turns. The <Text> eld

must therefore be imited to 3 characters for this type. A

negative value indicates port direction.

10 Temperature - 99.99 99.9 ’-99.9’ ’99.9’ None or

’ – ’

’ O

’ Values between 0 and 9.99 are

displayed with 2 decimals. Values between 10 and 99.9 are displayed with one decimal.

11 Percentage -100 100 ’.....’ ’.....’ None

or’ – ’

’ % ’ Values between 0 and 9.99 are

displayed with 2 decimals. Values between 10 and 99.9 are displayed with one decimal.

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Operation and Installation CD401MR-SB

APPENDIX 3.

other options with the mUlti repeAter

_____________________________________________________________________

compAct options

The Compact Display can be set up for one of the following systems:

LR Speed Repeater

E1 (EML124 Compact) Single Axis EML With Electronic unit (JB60CD),

sensor and cables

E2 (EML224 Compact) Dual Axis EML With Electronic unit (JB60CD),

sensor and cables

EB (EML224 Compact) Dual Axis EML

Backwards

With Electronic unit (JB60CD), sensor and cables

MR Multi Repeater

MB Multi Repeater

Backwards

• Speed Repeater: A simple repeater for speed in 1 and 2 axis and trip. Limited functionality.

• Single Axis EML: As above plus primary display for speed logs showing longitudinal speed values produced by the sensor.

• Dual Axis EML: As above, but showing both longituional and transverse speed values produced by the sensor.

• Dual Axis EML Backwards: As above, but can be connected to an external switch for showing the speeds in opposite direction.

• Multi Repeater: A comprehensive repeater for many of the most common

used NMEA messages. Functions also for user dened messages.

• Multi Repeater Backwards: As above, but the speeds are shown in opposite direction.

The software for all these systems is stored in the ash memory and the system conguration can be changed using a security code. This code can be obtained from

www.skipper.no. By sending an order to SKIPPER together with the systems serial number. (Obtained by opening the code screen in diagnostics). On entering the supplied code number, the system options will be set. Please note that the cabling is different for repeaters and speed logs, so these are not compatible without replacing the back plate.

Operation and Installation CD401MR-SB

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chAnging the system/ADDing options

The Compact display unit is being developed as a low cost display alternative to full graphics displays already available. Most extra features are available for the Compact and these can be activated using the CODE page in the DIAG menu. On this menu, the systems unique ID is displayed, and the new options can be purchased from the SKIPPER retailer to add extra functions. You will receive a code to be entered into the CODE page by using the arrow buttons.

NOTE: It is important to note that pay option codes are unique for each individual unit and will not work on other units.

DIAG menu CODE page

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Operation and Installation CD401MR-SB

APPENDIX 4.

Current

_____________________________________________________________________

Surface Current speed and direction are calculated by using available information from Speed Through Water and Speed Over Ground. Surface Current is the difference between Speed Through Water and Speed Over Ground indicated by an absolute speed

value and a direction towards the current-ow. The direction could be either relative

or true.

Speed Through Water is always fetched from the “Longitudinal water speed in knots” and “Transverse water speed in knots” from the VBW NMEA sentence. Speed Over Ground is fetched from “Longitudinal ground speed in knots” and “Transverse ground speed in knots” from the VBW NMEA sentence. If speed over ground is not available from VBW, the speed over ground is fetched from the “Course Over Ground, degree true” and “Relative speed in knots” from the VTG NMEA sentence. Information about True Heading is fetched from either the NMEA sentence THS or HDT prioritized after the following rules:

1. HETHS: THS from Gyro

2. HEHDT: HDT from Gyro

3. GPTHS: THS from Global Position System (GPS)

4. GPHDT: HDT from Global Position System (GPS)

5. HCTHS: THS from Magnetic Compass

6. HCHDT: HDT from Magnetic Compass

7. xxTHS: THS from another Talker

8. xxHDT: HDT from another Talker

Parameter Parameter name Description

CUR-S Current Speed in knots Absolute Current Surface speed

CURAR Direction towards Current

ow, relative

Speed Through Water from VBW Speed Over Ground from VTG if VBW not valid. Heading information necessary if Speed Over Ground from VBW not available

CURAT Direction towards Current

ow, true

Speed Through Water from VBW Speed Over Ground from VTG if VBW not valid

CURBR Direction towards Current

ow, relative

Both Speed Through Water and Speed Over Ground from VBW

CURBT Direction towards Current

ow, true

Both Speed Through Water and Speed Over Ground from VBW Heading information necessary

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A graphical representation of the Surface Current speed and direction is displayed if the following parameters are selected:

• TXT must be selected for the rst two parameters.

• Current speed or direction must be selected for next

parameter.

• Current speed or direction must be selected (opposite last choice) for last parameter.

The current direction is represented by an arrow on the screen.

when the bottom trAck is not AvAilAble.

In cases where bottom track is not “available” and GPS (VTG) and HDT/THS signal is applied, the system will use the GPS as Speed over ground compensation. If bottom track is used the symbol is displayed. If GPS is used the symbol is displayed. The system will always use bottom track, if available.

getting the most oUt of yoUr system

The SKIPPER DL850, Doppler speed log can be connected to a CD401MC-SB Compact repeater, to display: The current relative to the Vessel, in Direction and Speed The current relative to North, if a Compass or Gyro is connected*

To achieve these parameters, the compact must have an input from the following parameters

Speed through water (STW), Longitudinal and Transversal (from a Doppler or EML speed log) and either Speed over ground (SOG), longitudinal or Transversal (From a Doppler system) or Speed over ground, Course over ground, heading, from an approved (D) GPS system.*

To have all these options available a multiplexer may be tted to the NMEA input, and

inputs should be made available from the Log, a Gyro, and a GPS

The system will work best when both SOG and STW come from the same source, i.e. the Doppler system, this because the readings are taken at the same time. If the system is used with data from two different sources, i.e. Doppler and GPS, then there will be slight time differences which will affect the instantaneous accuracy.

The system will therefore always prioritise data from the Bottom track over the GPS.

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*For parameters requiring more information than just the Doppler log (True values or GPS compensation), a NMEA multiplexer must be provided to enable inputs from GYRO, GPS and Speed log to be input to the single input of the CD401.

cAlibrAtion of the Dl850 or eml

This system is much more sensitive to wrong calibration of the speed log. Any failure in calibration will show itself as a current that follows the vessel (particularly at higher speeds) whichever direction the vessel sails. This can be corrected by adding more calibration points at different speeds.

moving the sAmpling cell

The vessel will always drag some water with it. The Doppler can sample away from the vessel. This can be adjusted by adding more blanking time to the system. This will sample deeper however, there is always a threat of a layer, typically at 15-20m where the current can change direction. Moving the sample area out may cause errors due to mixing of current directions.

To move the sample cell, the user must go into the scope screen (in SW version 4.3.00 + see separate instructions) and hold the hidden button for 2 beeps. The blanking parameter can then be changed (for each depth range) on menu 3.

Sea bed

Blanking

Pulse length

JUmping vAlUes At low speeDs.

At very low current speed values, or very low vessel speed values, a small change of speed may result in a large direction change.

I lter has been added to allow a maximum direction change per second.

AverAging (gps moDe)

When the current is using GPS corrections for the vessel speed, the system may show a wrong, (usually larger) current particularly during a course change. To reduce this effect, the averaging on the Doppler and the averaging on the GPS can be adjusted to synchronise.

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logging oUtpUt

The CD401 can be set up to produce 2 NMEA outputs: IIVDR is a set and drift parameter to give the current displayed output, in resultant and direction. PSKPVDR is a proprietary NMEA sentence, containing both the current direction with both bottom track and GPS correction and also the speed log, GPS and heading information.

It is recommended that if you require help from SKIPPER, that this message is logged and sent together with the enquiry.

Detailed description of the NMEA output sentences:

Speed direction

$IIVDR,x.x,T,x.x,M,x.x,N*hh<CR><LF>

Surface Current Speed in knots, bottom track (calculated)

Surface Current Direction, magnetic (not supported)

Surface Current Direction, degree true, bottom track (calculated)

Speed direction (Proprietary)

$PSKPVDR,x.x,A,x.x,A,x.x,A,x.x,A,x.x,A,x.x,A,x.x,A,x.x,A,x.x,A,x.x,A,x.x,A,x.x,A,x.x,A,x.x,A *hh<CR><LF> (see NOTE)

True heading from HDT

True heading from THS

Course over ground VTG

Speed over ground in knots from VTG

Transverse ground speed from VBW

Longitudinal ground speed from VBW

Transverse water speed from VBW

Longitudinal water speed from VBW

Surface Current Speed in knots, gps track

Surface Current Direction, relative, gps track

Surface Current Direction, true, gps track

Surface Current Speed in knots, bottom track

Surface Current Direction, relative, bottom track

Surface Current Direction, true, bottom track

NOTE: A = data valid, V = data invalid

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Operation and Installation CD401MR-SB

APPENDIX 5.

senDing the system for repAir

_____________________________________________________________________

In case of failure, it may be necessary to send a part of the system back for repair. Make contact with your local dealer for warranty case (list available on

www.skipper.no).

On contact with SKIPPER the case will be given a SKIPPER id number. This number should be quoted on all correspondance, and marked clearly on all parts returned.

For normal service/support, please contact SKIPPER Electronics AS on mail

support@skipper.no or our local dealer (list available on www.skipper.no).

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NOTES:

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Skipper CD401MR-SB Operation And Installation Manual

Specifications and Main Features

Frequently Asked Questions

User Manual