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NAVITWIN IV

056360/E

Magnetic Compass Heading Calibration

6-3

6.4 Magnetic Compass Heading Calibration

Ideally, the magnetic compass heading displayed at the NAVITWIN IV
would exactly match the indication of the steering magnetic compass (at
a mag. variation of 0.0°).
In practice, however, deviations will occur between the steering mag-
netic compass heading and the heading data transmitted by a fluxgate
sensor or an electronic compass, as displayed at the NAVITWIN IV.

The NAVITWIN IV automatically corrects such deviations if a calibration
table has been stored and calibration is activated in the User Setup.

Calibration Procedure

The magnetic compass heading calibration is a two-part procedure.

First, the existing deviations between the indication of the steering mag-
netic compass and the magnetic compass heading displayed at the
NAVITWIN IV are determined. This requires that the vessel is swung
very slowly through a full circle so that for each full 10° of magnetic
compass heading (0, 10, …, 350°) the corresponding display value is
obtained.

After calculating the resultant correction values, these are entered in the
magnetic compass heading calibration table at the NAVITWIN IV.
The calibration table stores up to 36 entries (’cal. no.s’), each of which
assigns a correction value to a given magnetic compass heading
(0, 10, …, 350°).

CAUTION

Risk of deviation
The magnetic compass heading calibration corrects deviations due to the
combined effects of the magnetic environment, the particular sensor
being used and the receiving circuitry inside the NAVITWIN IV.
Therefore, a new calibration must be carried out when:
- the steering magnetic compass is exchanged or newly adjusted.
- the magnetic compass heading sensor is exchanged.
- a fluxgate sensor is used and the NAVITWIN IV itself is exchanged.

Note

The magnetic compass heading calibration serves to match, as closely as
possible, the indication at the steering magnetic compass and the mag-
netic compass heading displayed at the NAVITWIN IV, at a mag. variation
of 0.0°.
It is strongly disapproved to use a true heading source, e.g. a gyrocom-
pass, as the calibration reference.
It should also not be attempted to correct residual deviations of a prop-
erly adjusted magnetic compass by means of the calibration table.

CAUTION

Risk of inaccurate calibration reference
The magnetic compass used as the calibration reference must be prop-
erly installed and adjusted.
The procedure should be carried out in calm seas only.
Make sure that ample sea area is available for the vessel to execute a very
slow 360°-turn.

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Содержание NAVITWIN IV

Страница 1: ...nd Service Manual Original Documentation Keep for Future Reference Off Hdg 10 Set Hdg 246 0 DISPLAY DATA MONITOR ALARM NO ACTIVE ALARM Hdg Diff 10 Gyro 1 Gyro 2 GYRO 1 GYRO 2 GYRO 3 MAGN COMP 246 8 246 7 246 8 247 0 12 8 kn AUTO SPEED NAVITWIN IV Heading Management System Type 4994 AB AC for GAS support with Switch Over Unit Type 4932 056360 E 04994 0128 02 27 Oct 2016 ...

Страница 2: ...arine with major engineering and support offices in New Malden England and Hamburg Germany is part of the Northrop Grumman Navigation Maritime Systems Division N MSD Revision Record Rev Date Remarks E 27 Oct 2016 Update SUSI software upload procedure amended D2 17 Feb 2016 Update CAM settings and alarm handling amended alarm lists enhanced D1 05 Nov 2014 Update external alarm and error list amende...

Страница 3: ... DNV Naut AW 1 7 1 5 Technical Data 1 9 NAVITWIN IV 1 9 Switch Over Unit Type 4932 1 12 1 6 Declaration of Conformity 1 14 Chapter 2 Operation 2 1 Display and Operating Keys 2 1 2 2 External control devices 2 2 2 3 Power up Sequence 2 2 2 4 Selecting the active heading source 2 3 2 5 Selecting additional display data 2 4 2 6 Adjusting the illumination brightness 2 5 2 7 Toggling between daylight n...

Страница 4: ...arm Indication 4 2 Visual Alarm Indication 4 3 4 3 Acknowledging Alarms Muting the Audible Alarm 4 4 Alarm Acknowledge at NAVITWIN IV 4 4 Alarm Mute from External Device 4 5 4 4 Viewing Active Alarms 4 6 Viewing of Internal Alarms 4 6 Viewing of External Alarms 4 6 4 5 Alarm messages 4 7 Internal Alarms from NAVITWIN IV 4 7 External Alarms from NAVIGAT Compasses 4 11 Chapter 5 Scheduled Maintenanc...

Страница 5: ...nectors 8 5 Exchangeable Components 8 5 8 3 Location of Parts on the Switch Over Unit PCB 8 6 Diagnostic LED Indicators 8 7 Connectors 8 7 Chapter 9 Corrective Maintenance 9 1 Exchanging the System Software 9 1 Downloading Software from the Flashboard 9 1 Uploading Software from a PC using SUSI 9 4 Upload Procedure 9 5 9 2 Replacing the RS 422 Output Driver IC 9 10 9 3 Replacing the Alarm Status O...

Страница 6: ...056360 E NAVITWIN IV vi ...

Страница 7: ...trictly observed could result in injury or death of personnel CAUTION A Caution notice contains an operating or main tenance procedure practice condition state ment etc which if not strictly observed could result in damage to or destruction of equip ment Note A Note contains an essential operating or main tenance procedure condition or statement which is considered important enough to be highlight...

Страница 8: ...NAVIGAT 3000 make sure that the FOG aligns correctly using valid speed and position data The correctness of speed and position data must always be confirmed at the respective FOG CDU each time a new alignment is carried out CAUTION Risk of erroneous operating conditions through inaccurate error alarm recovering When acknowledging an external alarm from a NAVIGAT 2100 NAVIGAT 3000 make sure that th...

Страница 9: ...ctionality is available from software version NAVITWIN IV 4994 1091 Rev E 1 346 NAVIGAT X MK1 4914 1290 Rev L 1 300 NAVIGAT 2100 IPSU 4902 1090 Rev L 2 013 and NAVIGAT 3000 IPSU 4902 1095 Rev E 2 301 on Note For usage of the centralized alarm management system CAM according to DNV class notation NAUT OC NAUT AW NAUT OSV the NAVITWIN IV and the relevant gyrocompass es need appropriate software upda...

Страница 10: ... any of the electronic circuitry CAUTION Risk of erroneous CAM handling Selecting ALR for the ALARM SELECT setting of RS 422 output 2 AND 3 simultaneously will result in erroneous CAM handling Newer select ALR for the ALARM SELECT setting of RS 422 output 2 AND 3 simultaneously Always make sure to either select ALR for the ALARM SELECT setting of RS 422 output 2 OR RS 422 output 2 and to select OF...

Страница 11: ...n a stable power supply during the update process Never interrupt an update in progress Note The UpdateFlash Mode may equally be used either via RS 232 cable or via USB standard connection For Sperry devices equipped with a USB port the safer and more convenient update mode via USB connection is recommended When SUSI is installed under Windows 10 the UpdateFlash mode via USB port is not available ...

Страница 12: ...056360 E NAVITWIN IV xii ...

Страница 13: ...s only allowed when the Heading Difference Monitor and Off Heading Monitor functions are deactivated The Heading Management System NAVITWIN IV must only be operated from appropriately trained and educated personnel familiar with all mandatory safety and operating procedures Not Intended Use The Heading Management System NAVITWIN IV central control and dis play device for multi compass systems is n...

Страница 14: ...quire ments for offshore service vessels OSV with deactivated Heading Dif ference Monitor and Off Heading Monitor functionality see Off Heading Monitor Settings on page 2 11 Heading Diff Monitor Set tings on page 2 12 and CAM Interface on page 4 1 for details For further details see also Declaration of Conformity on page 1 14 Depending on the system at hand the NAVITWIN IV may be configured to per...

Страница 15: ...active source to the current heading of a secondary none active source Switch Over Unit Type 4932 The Switch Over Unit SOU type 4932 is a passive data distribution unit which is able to switch a large number of data and signal outputs from one source to another Through control signals from the NAVITWIN IV the SOU may be put in either one of three source selection modes G1 Connects the outputs to t...

Страница 16: ...to the raw sensor value and provides a correction table to compensates for the sensor s devia tions from the magnetic compass heading The heading diff alarm function permits to monitor the gyrocompass against the magnetic compass heading The off heading alarm func tion permits to monitor the difference between the actual heading and the heading to steer received from a heading control system Opera...

Страница 17: ...ompensates for the sensor s devia tions from the magnetic compass heading The heading diff alarm function permits to monitor the gyrocom passes against each other or against the magnetic compass heading The off heading alarm function permits to monitor the difference between the actual heading and the heading to steer received from a heading control system Operating parameters entered at the NAVIT...

Страница 18: ...against each other or any gyrocompass against the magnetic compass heading The off heading alarm function permits to monitor the difference between the actual heading and the heading to steer received from a heading control system Operating parameters entered at the NAVITWIN IV are transmitted to the NAVIGAT gyrocompasses In turn alarms generated by the com passes are indicated and may be acknowle...

Страница 19: ...to the actual heading from the secondary now active source on the NAVITWIN IV s dedicated GAS serial data output only The track control or INS connected to the GAS data output will thus be unaware of the failure of the former active heading source Thus e g a track controller or INS will continue to operate without disruption and will not deviate from the track This allows the operator to take all ...

Страница 20: ...id start start D D scaled_degree D scaled_degree compute substitute hdg with D show substitute hdg in display red flashing substitute hdg secondary hdg transmit substitute hdg at RS 422 output 3 tx_clk substitution finished start Changing to Manual Mode does not terminate GAS heading substitution switch to secondary hdg source t status relay gyro1 gyro2 t status relay gyro gyro3 t status relay gyr...

Страница 21: ... to standard magnetic compass 0 70 m to steering magnetic compass 0 40 m reduced to standard magnetic compass 0 45 m reduced to steering magnetic compass 0 30 m Power Supply supply voltage 24 VDC max ripple content 10 20 Vpp power consumption 12 W Dimensions and Weight PN 74857 for console mounting width 288 mm height 96 mm depth 44 mm approx 100 mm backward clearance from mounting surface require...

Страница 22: ...ding only serial dimming command NMEA 0183 IEC 61162 Signal and Status Inputs magnetic compass heading fluxgate sensor sin cos and ref voltages from Sperry Marine flux gate sensor type 4863 steering mode status auto man connection to P Gnd via ext contact latching ext alarm acknowledge status mute connection to P Gnd via ext contact momentary n o ext dim or G1 G2 ctrl status connection to P Gnd vi...

Страница 23: ...op data serial data RS 422 output 3 dedicated GAS output to track controller or INS dedicated CAM support active if ALR is selected as output if available all or selectable sub set of gyrocompass heading magnetic compass heading rate of turn heading reference status comp mon op data Alarm and Status Outputs power failure alarm heading difference alarm off heading alarm watch alarm acknowledge mute...

Страница 24: ...C 60945 equipment category protected from the weather Magnetic Clearance to standard magnetic compass 0 30 m to steering magnetic compass 0 30 m reduced to standard magnetic compass 0 30 m reduced to steering magnetic compass 0 30 m Power Supply supply voltage via isolation diodes from each gyrocompass and from backup supply 24 VDC max ripple content 10 20 Vpp power consumption 12 W max Dimensions...

Страница 25: ...y output connected to signal ground in on state G2 or G3 open in off state 24 V DC supply from Switch Over Unit 24 V DC supply input Switched Data Outputs G1 G2 M repeater outputs 12 x TTL sensor data 3 x TTL 2 x RS 422 Connected to inputs from Gyro 1 mode G1 Gyro 2 mode G2 or NAVITWIN IV mode M Switched Data Outputs Signal and Status Lines G1 G2 RS 422 Fast RS 422 SuperFast nav data printer outpu...

Страница 26: ...lies with the Marine Equipment Directive 96 98 EC as amended This equipment has been tested to verify compliance with the Regulations and Testing Standards as per EC Type Examination B and EC Quality System D issued by Notified Body No 0098 DNV GL SE Note The current issue of the detailed Marine Equipment Directive EC Declaration of Conformity of Northrop Grumman Sperry Marine B V Hamburg is part ...

Страница 27: ...rm status Menu Screen not shown In the menu mode the sidebar is occupied by the menu screen 3 Heading Source Selector Keys Select the active heading source 4 Navigation Keypad Arrow keys up down forward back navigate through the display data and menu screens ENTER confirms and stores menu settings 5 ACK key Acknowledges pending alarms 6 MENU key From the normal operational mode calls up the operat...

Страница 28: ...om of the screen indicates the progress and results of the test When the system test has been passed the NAVITWIN IV enters the normal operational mode The heading source window dis plays the heading data received from the available compasses The display data window shows additional data such as speed position time etc if available Off Hdg 10 Set Hdg 246 0 DISPLAY DATA MONITOR ALARM NO ACTIVE ALAR...

Страница 29: ...eading source as soon as valid heading data is received from the respective device Make sure that a gyrocompass has settled before using its heading as the reference for heading control systems RADAR ECDIS etc A magnetic compass heading source should be made the active refer ence only in case of failure of the gyrocompass es To change the active heading source Press the selector key next to the de...

Страница 30: ...e display data window Press the Up Down arrow keys to scroll through the data screens Position mode latitude and longitude Speed mode and actual value Mag Variation mode and actual value Rate of Turn and North Speed Error Correction values correction available from NAVIGAT gyro compasses only Date and Time DD MM YY hh mm DISPLAY DATA 44 09 46 N 023 54 21 E AUTO POSITION DISPLAY DATA 12 8 kn AUTO S...

Страница 31: ...s Press DIM to reduce the illumination brightness MONITOR ALARM NO ACTIVE ALARM GYRO 2 GYRO 3 MAGN COMP 246 7 246 8 247 0 Off Hdg 10 Set Hdg 246 0 Hdg Diff 10 Gyro 1 Gyro 2 Note The brightness can only be adjusted in the normal operational mode In the menu mode the dim keys are not functional Pressing DIM DIM keys Press DIM and DIM simultaneously to toggle between the blue or grey day light colour...

Страница 32: ...ed fer ries activate the 180 offset function at the associated external control External Dimming With external dim keys Actuate the external DIM DIM keys to increase or decrease the illumina tion brightness External DIM DIM push buttons operate in parallel with the built in DIM DIM keys If only an external DIM button is installed it will cycle through the illumination brightness levels starting ov...

Страница 33: ...menu screen closes and the data display monitor and alarm status windows reappear in the sidebar DISPLAY DATA MONITOR ALARM NO ACTIVE ALARM 12 8 kn AUTO SPEED OFF HDG ALRM HDG DIFF ALRM MAN SETTINGS USER SETUP SERVICE SETUP EXIT MAIN MENU RESET ALARM LIST Off Hdg 10 Set Hdg 246 0 Hdg Diff 10 Gyro 1 Gyro 2 Note When the menu mode is active and no key is pressed for more than 30 seconds the NAVITWIN...

Страница 34: ...he next higher menu level Positioning the cursor to the EXIT option at the top menu level and pressing ENTER exits the menu mode and returns to normal operational mode Move the cursor to the required position with the Up Down arrow keys then press the Right arrow key to enter the respective sub menu Press the Left arrow key to return to the next higher menu level From the top menu level pressing t...

Страница 35: ...ted selected deselected To select the required option s With the Up Down arrow keys move to the required option Press ENTER to confirm the selection and quit the sub menu To quit the sub menu without applying changes press MENU With the Up Down arrow keys move to the required option Press ENTER to toggle between the selected and deselected state Repeat above steps until all options are set as requ...

Страница 36: ...it a parameter value in the respective sub menu With the Up Down arrow keys edit the character at the current cursor position With the Right Left arrow keys move the cursor forward back to the next previous character Repeat above steps until all characters are edited as required Press ENTER to confirm and store the new value 00000 VALUE VALUE 10000 VALUE 10000 VALUE VALUE ...

Страница 37: ...ements for offshore ser vice vessels OSV the Off Heading Monitor and Heading Difference Mon itor functions must be deactivated MAIN MENU OFF HDG ALRM AUTO MODE OFF MAN XXXXXXXX THRESHOLD Call up the Main Menu Go to OFF HDG ALRM settings To select the off hdg alarm mode Go to MODE selection Select required mode OFF alarm off AUTO set hdg auto receive MAN set hdg manual setting To set the off hdg al...

Страница 38: ...V the Off Heading Monitor and Heading Difference Mon itor functions must be deactivated MAIN MENU HDG DIFF ALRM GY1 GY2 SOURCE OFF GY1 GY3 XXXXXXXX THRESHOLD GY1 MAGN GY2 GY3 GY2 MAGN GY3 MAGN Call up the Main Menu Go to HDG DIFF ALRM settings To select the monitored sources Go to SOURCE selection Select sources OFF diff alarm off GY1 GY2 gyro true hdg 1 vs 2 GY1 GY3 gyro true hdg 1 vs 3 GY1 MAGN ...

Страница 39: ... the NAVITWIN IV but will overwrite the corresponding values at the NAVIGAT X MK 1 MK 2 gyro compasses or NAVIGAT 2100 NAVIGAT 3000 FOGs SPEED SPEED MODE MAN MANUAL VALUE value 99 9 99 9 kn AUTO1 AUTO2 contd on next page speed input settings POSITION POSITION MODE MAN MANUAL LON lon value 180 00 00 W 180 00 00 E AUTO1 MANUAL LAT lat value 90 00 00 S 90 00 00 N AUTO2 position input settings MAG VAR...

Страница 40: ...data printer settings MAN SETTINGS RATE OFTURN TIME CONST damping time constant 0 0 10 0 s MAX VALUE max ROT alarm threshold 0 6000 min rate of turn settings SPEED ERR COR north speed error correction NAVIPRINT RATE OF TURN BACK BACK SPEED ERR COR ACTIV PAPER SPEED 60 mm h 150 mm h 600 mm h HEADING 30 180 RUDDER 9 45 70 ...

Страница 41: ...ad automatically from serial data NAVIGAT 2100 NAVIGAT 3000 FOGs will use the Auto2 input MANUAL VALUE Sets the input value for manual speed data Value 99 9 99 9 kn POSITION Sets the position input parameters This setting is effective for the NAVITWIN IV internally and for all con nected compasses evaluating the NAVITWIN IV op data POSITION MODE Selects the position input mode Settings MAN The act...

Страница 42: ...e Settings ON option checked Magnetic variation is read automatically from serial data OFF option unchecked The actual magnetic variation is entered manually MANUAL VALUE Sets the manual input value for magnetic variation Value 99 9 W 99 9 E NAVIPRINT Sets the operating parameters for the NAVIPRINT nav data printer At the time of writing of this manual these are transmitted to NAVIGAT gyrocompasse...

Страница 43: ... right from the graph s centre current print position shifts to the cen tre when graph reaches margin RUDDER Sets the scaling of the rudder angle graph Settings 9 scale to show 9 to the left and to the right from the graph s centre This setting provides a high resolution recording of small rudder movements and is useful for monitoring e g the steering behaviour of an auto pilot 45 scale to show 45...

Страница 44: ...alarm Value 0 0 6000 min SPEED ERR COR North Speed Error Correction Selects the North speed error correction mode for the connected gyro compasses This setting is effective only for NAVIGAT X MK 1 and NAVIGAT X MK 2 gyrocompasses as the NAVITWIN IV merely enables or disables the error correction at the compasses Error Correction Settings ON option checked Automatic North speed error correction is ...

Страница 45: ...4 User Setup DATE TIME DATE man value DD MM YY date and time settings MAGN CALTAB USE CALTAB ENTER VALUES enter modify or delete cal table entries magnetic hdg calibration table VERSION INFO view software version info read only software version info TIME man value hh mm USER SETUP DATE TIME MAGN CAL TAB LCD COLOR VERSION INFO BACK BACK AUTO LCD COLOR GRAY STYLE BLUE STYLE BLACK STYLE ...

Страница 46: ...t time in format hours minutes Note If manual input is used date and time must be set after each power up MAGN CAL TAB Magnetic Calibration Table Sets the parameters for the magnetic compass calibration table For instructions how to compile the magnetic compass calibration table refer to section 6 4 Magnetic Compass Heading Calibration USE CAL TABLE Use Calibration Table Switches the automatic mag...

Страница 47: ...s main window background is blue BLACK STYLE White text and window borders all backgrounds black alarm window title bar is red if active alarm present The black style is also used as the night colour scheme If this style is selected pressing DIM and DIM simul taneously to toggle between the night and daylight schemes has no visible effect VERSION INFO Displays the system software version info scre...

Страница 48: ...056360 E NAVITWIN IV 2 22 User Setup ...

Страница 49: ...bstitute heading provided to the track controller INS if all of the following conditions apply GAS heading substitution has been enabled in the NAVITWIN IV ser vice setup A gyro other true heading source is active The active source fails no valid data received A secondary gyro other true heading source is available The difference between the last known heading and the heading of the secondary sour...

Страница 50: ...a output NAVITWIN IV raises a Failure Gyro 1 alarm FAILURE GYRO 1 and a GAS Changeover Gyro 2 alarm CHANGEOVER GYRO appears in the alarm window Multiple alarms may occur if data other than heading is also lost e g rate of turn speed position and will than increase the indicated number of alarms Dashes appear in the heading display of Gyro 1 The NAVITWIN IV automatically selects the second heading ...

Страница 51: ...ub stitute heading value disappears from the display The GAS mode is automatically termi nated after the GAS heading substitution is completed To prevent sudden rudder actions the NAVITWIN IV performs a soft transition at the GAS serial data output from the last known heading of the failed source to the actual heading from the secondary source The difference if any between the two headings at the ...

Страница 52: ...ase the active heading source Gyro 1 fails the NAVITWIN executes GAS heading substitution and a subsequent failure of the now active sec ondary heading source occurs before the GAS heading substitution is completed the GAS mode is aborted immediately 4 Action Mute acknowledge alarms Mute acknowledge any alarms which haven t been acknowledged already As alarms at the NAVITWIN IV do not automaticall...

Страница 53: ...e gyrocompass es This function is compatible with both legacy and current software ver sions of the connected gyrocompasses Note The NAVITWIN IV provides a serial bidirectional interface for a centralized alarm management system CAM according to DNV class notation NAUT OC NAUT AW NAUT OSV The CAM functionality is available from software version NAVITWIN IV 4994 1091 Rev E 1 346 NAVIGAT X MK1 4914 ...

Страница 54: ...larms is handled differentially See Viewing of Internal Alarms and Viewing of External Alarms on page 4 6 for more details A single short beep indicates that the operator attempted to carry out an invalid action This is the case e g if the operator tries to change the heading reference in an automatic steering mode or to activate a head ing source from which no valid data is received Continuous on...

Страница 55: ...nding unacknowledged The cause of the alarm is present and the opera tor has not yet acknowledged the alarm The message background flashes red white red black if colour scheme is set to black Acknowledged The operator has acknowledged the alarm but the cause of the alarm is still present The message background is white black if colour scheme is set to black ALARM NO ACTIVE ALARM ALARM 1 1 TIMEOUT ...

Страница 56: ...rm window indication of the external alarm is handled differently See Acknowledging External Alarms locally on page 4 12 and External Alarms from NAVIGAT Com passes on page 4 11 for details ALARM 1 1 TIMEOUT GYRO 1 ALARM 1 1 TIMEOUT GYRO 1 Note When the cause of an INTERNAL alarm no longer exists the alarm is NOT CLEARED automatically from the NAVITWIN IV alarm window and must always be acknowledg...

Страница 57: ...t the NAVITWIN IV The external audible alarm is muted when all pending alarms have been acknowledged locally at the NAVITWIN IV To mute the audible alarm externally e g from an alarm panel or central alarm management system Actuate the external mute control The audible alarm indication at the NAVITWIN IV is muted The visible alarm indication is not cleared and the alarm remains in the pending stat...

Страница 58: ...her messages have been viewed until all alarms have been acknowledged by the operator If more than one active EXTERNAL alarm from a connected gyrocom pass is present at one time the operator must ACKNOWLEDGE each active external alarm consecutively to become all external alarms viewed By acknowledging the number of active external alarms is increased automatically The total number of active and ac...

Страница 59: ...immediately Check the function of the respective head ing source and inter face No corrective action is needed if a FOG sen sor is in re alignment 001 TIMEOUT GYRO2 002 TIMEOUT GYRO3 003 TIMEOUT MAGN timeout mag netic No valid data are received from the magnetic compass heading source serial interface If the source is active activate another source immediately Check the function of the magnetic co...

Страница 60: ...ATE No valid date is received from the GPS Check whether the GPS provides valid date time Check interface and settings 020 TIMEOUT TIME No valid time is received from the or GPS Check whether the GPS provides valid date time Check interface 021 FAILURE GYRO1 No gyro data at all are received from the true heading source dashes shown in heading display of respective source If the source is active ac...

Страница 61: ...the set heading change over to the manual steer ing mode If the actual heading data appears to be incorrect change over to the manual steer ing mode and activate a reliable heading source 066 HDG DIFF ALARM heading differ ence failure alarm The difference between the moni tored heading sources has exceeded the head ing difference alarm threshold Check the monitored heading sources for data integri...

Страница 62: ...AUT OSV The CHANGEOVER GYRO message is the only WARNING message of the NAVITWIN IV system In contrast to all alarm messages the change over warning message is indicated with a yellow title bar in the alarm window alternately flashing with the message text 068 GYRO DEVICE SYSTEM CONF gyro device sys tem configura tion Invalid system con figuration Check system configu ration settings Restart system...

Страница 63: ...E acknowledged external alarms are cleared and are NOT longer shown at the NAVITWIN IV alarm window even when the alarm condition persists To determine whether an acknowledged external alarm is still active the error list must be checked locally at the respective compass CAUTION Risk of erroneous operating conditions through inaccurate error alarm recovering When acknowledging an external alarm fr...

Страница 64: ...ce of displayed messages causes and corrective actions for Gyrocompass with GYRO ID 1 101 GYRO 1 FAIL COMPASS NAME gyro 1 failure Compass failure or compass receives no data from exter nal gyrocompass source If alarm given without an internal gyro failure occurring simultane ously check the inter faces connections between the NAVIGAT gyrocompasses 102 GYRO 2 FAIL COMPASS NAME gyro 2 failure 103 GY...

Страница 65: ... FAIL COMPASS NAME heading differ ence failure Heading Difference alarm threshold exceeded If alarm given without internal heading differ ence alarm occurring simultaneously check the system configura tion and the connec tion between the gyrocompass and the NAVITWIN IV 115 MAX ROT EXC COMPASS NAME maximum rate of turn exceeded Maximum Rate of Turn alarm thresh old exceeded Max ROT Exc alarm remind...

Страница 66: ... the alarm or cancel the change of correction values at the NAVI GAT 2100 NAVIGAT 3000 directly 121 OP TIME COUNT COMPASS NAME operation time failure NAVIGAT X MK 1 X MK 2 Recommended gyrosphere mainte nance interval exceeded Acknowledge the alarm Recommended gyro sphere maintenance should be carried out in due time 122 ANSWER FAIL COMPASS NAME answer failure NAVIGAT 2100 NAVIGAT 3000 Communicatio...

Страница 67: ...enu is accessed at the NAVITWIN IV while the sensor variant PL41 is in align mode Acknowledge the alarm and wait for the alignment to com plete before altering manual settings Alternatively restart the sensor variant PL41 then alter man ual settings as required before con firming speed posi tion data to initiate new alignment 126 COMMS FAULT COMPASS NAME communication fault Only sensor variant LSR...

Страница 68: ...ond set maximum speed value Check GPS speed data Adjust maximum speed value 130 SYSTEM CONF COMPASS NAME system configu ration System configura tion failure Check system configu ration settings Restart system 131 ACCURACY COMPASS NAME Reduced accuracy condition of NAVI GAT 3000 system during sailing mode Re align system 132 SENSOR RESET COMPASS NAME Unintended reset of sensor detected caused by e ...

Страница 69: ...NAVITWIN IV soft ware Update NAVITWIN IV software 201 206 212 235 Repeated sequence of displayed messages causes and correc tive actions for Gyrocompass with GYRO ID 2 301 306 312 335 Repeated sequence of displayed messages causes and correc tive actions for Gyrocompass with GYRO ID 3 Error ID Displayed Mes sage Cause Corrective Action ...

Страница 70: ...056360 E NAVITWIN IV 4 18 Alarm messages ...

Страница 71: ... required A visual inspection of cables and connectors should be carried out regu larly to detect any signs of damage or deterioration The NAVITWIN IV s front plate should be cleaned when necessary using only soap or a mild detergent applied with a damp cloth Wipe dry with a cloth or towel CAUTION Risk of damage The front plate is made of clear polycarbonate Do not clean the front plate with organ...

Страница 72: ...056360 E NAVITWIN IV 5 2 Maintenance by Shipboard Personnel ...

Страница 73: ... A backward clearance of approx 100 mm from the frame top surface is required to protect the connector cable from being bent too strongly at the plug Housing with Bracket The NAVITWIN IV housing with bracket is shown in dimension drawing 4994 0112 02 in the appendix The mounting bracket carries four holes of 5 3 mm dia for fixing the bracket to any plane surface such as a con sole panel wall or ce...

Страница 74: ...e NAVITWIN IV I O specifications according to interface specification 004994 0120 002 6 3 Initial System Configuration When the system has been wired up all configuration parameters are to be set to the required values in the Service Setup in order to make the NAVITWIN IV fully functional For a description of the Service Setup refer to Chapter 7 System Configuration The operating parameters in the...

Страница 75: ...NAVITWIN IV The calibration table stores up to 36 entries cal no s each of which assigns a correction value to a given magnetic compass heading 0 10 350 CAUTION Risk of deviation The magnetic compass heading calibration corrects deviations due to the combined effects of the magnetic environment the particular sensor being used and the receiving circuitry inside the NAVITWIN IV Therefore a new cali...

Страница 76: ...of the steering magnetic compass heading 0 10 350 note the display value 6 Enter the observed display val ues in the magnetic compass heading calibration table form blank form included in the appendix of this manual 7 Calculate the required correc tion value for each heading value and enter it in the calibra tion table form The correction value is the offset which must be applied to a given displa...

Страница 77: ...ired cor rection value diff d Press ENTER to confirm the correction value e To enter another correction value press ENTER again The cursor returns to the cal no line Repeat the procedure from step a above until all correction values have been entered 3 Press MENU to quit the table entry screen 1 The magnetic compass heading values are hard assigned to calibra tion numbers Entry 00 holds the correc...

Страница 78: ... between the two adjacent active entries To delete entries from the magnetic compass heading calibration table 1 Call up the User Setup and go to Magn Cal Tab Enter Values Press ENTER The calibration table entry screen is shown 2 Delete correction values a With the Up Down arrow keys select the entry cal no to be edited b Press ENTER to confirm the cal no Press ENTER again to move the cursor down ...

Страница 79: ...tup Access Code To prevent inadvertent or unauthorized changes to the system configu ration setup menus which are to be accessed by service personnel only are protected by access codes To access the Service Setup MAIN MENU SERVICE SETUP ENTER CODE 000 CONFIRM ENTER Go to the SERVICE SETUP When prompted for the setup code Enter code 600 Press ENTER to confirm the code The Service Setup sub menu ope...

Страница 80: ...UP GYRO GYRO 1 INTERFACETYPE OFF COMPASS NAME GYRO NMEA NAVIGAT PLATH BINARY NMEA HDT THS GYRO 1 GYRO 2 GYRO 3 FOG FOG 1 FOG 2 FOG 3 NAVISTAR USERNAME GYRO settings for Gyro inputs GYRO 2 INTERFACETYPE OFF COMPASS NAME GYRO NMEA NAVIGAT PLATH BINARY NMEA HDT THS GYRO 1 GYRO 2 GYRO 3 FOG FOG 1 FOG 2 FOG 3 NAVISTAR USERNAME ...

Страница 81: ... HTC ASD settings for set hdg GPS input contd on next page contd from previous page SERVICE SETUP GYRO 3 MAGN G3 INTERFACE OFF COMPASS NAME GYRO NMEA NAVIGAT PLATH BINARY NMEA HDT THS GYRO 1 GYRO 2 GYRO 3 FOG FOG 1 FOG 2 FOG 3 NAVISTAR USERNAME INTERFACETYPE MAGN COMP INTERFACETYPE OFF HCHDG HCTHS COMPASS NAME MAGNCOMP FLUXGATE USERNAME HCHDM SIN COS HCHDT NMEA 38400 SET HDG GPS ...

Страница 82: ...or RS 422 outputs contd on next page SERVICE SETUP RS422 MAGN SELECT HCHDG HCHDM HCHDT HCTHS STATUS SELECT PPLAN PPNSD RS422 OUTP 2 BAUDRATE 4800 19200 38400 9600 XXROT GYRO SELECT OFF XXTHS XXHDT MAGN SELECT OFF HCTHS HCHDG HCHDT HCHDM STATUS SELECT OFF PPLAN PPNSD RS422 OUTP 1 ALARM SELECT OFF PPLAA PPLAB PPLAD ALR ...

Страница 83: ...38400 9600 XXROT NAVIPRINT NMEA GYRO SELECT OFF XXTHS XXHDT MAGN SELECT OFF HCTHS HCHDG HCHDT HCHDM STATUS SELECT OFF PPLAN PPNSD GAS MAX HDG DIFF GAS ON settings for grounding avoidance system functionality GAS value 0 99 TIME CONSTANT value 0 99 min contd from previous page SERVICE SETUP GAS ALARM SELECT OFF PPLAA PPLAB PPLAD ALR ...

Страница 84: ...LS FACTORY SETTINGS LCD COLOR system internal settings GYRO1 NAME editable string 8 chars max reset all setup parameters to factory settings GYRO2 NAME editable string 8 chars max GYRO3 NAME editable string 8 chars max MAGN NAME editable string 8 chars max GRAY STYLE BLUE STYLE BLACK STYLE INDIVIDUAL NAME CENTRAL DIMMING settings for central dimming input CENTRAL DIM ON BAUDRATE 4800 9600 19200 38...

Страница 85: ... The input is disabled NMEA HDT THS The input reads the NMEA HDT or THS sentence NMEA NAVIGAT The input reads NMEA data from a Sperry NAVIGAT X MK 1 X MK 2 NAVIGAT 2100 or NAVIGAT 3000 gyrocompass PLATH Binary The input reads the PLATH binary data protocol COMPASS NAME Selects the displayed name for the device at the Gyro 1 input Settings GYRO GYRO 1 GYRO 2 GYRO 3 FOG FOG 1 FOG 2 FOG 3 NAVISTAR US...

Страница 86: ...ut reads the NMEA HDT or THS sentence NMEA NAVIGAT The input reads NMEA data from a Sperry NAVIGAT X MK 1 X MK 2 NAVIGAT 2100 or NAVIGAT 3000 gyrocompass PLATH Binary The input reads the PLATH binary data protocol COMPASS NAME Selects the displayed name for the device at the Gyro 2 input Settings GYRO GYRO 1 GYRO 2 GYRO 3 FOG FOG 1 FOG 2 FOG 3 NAVISTAR USERNAME editable under Service Setup Interna...

Страница 87: ...AG input is used to receive an NMEA magnetic compass heading sentence NMEA HDT THS The input reads the NMEA HDT or THS sentence NMEA NAVIGAT The input reads NMEA data from a Sperry NAVIGAT X MK 1 X MK 2 NAVIGAT 2100 or NAVIGAT 3000 gyrocompass PLATH Binary The input reads the PLATH binary data protocol COMPASS NAME Selects the displayed name for the device at the Gyro 3 input Settings GYRO GYRO 1 ...

Страница 88: ... interface This setting is effective only if the G3 interface type is set to off HCTHS The input reads the NMEA HCTHS sentence via the G3 MAG interface This setting is effective only if the G3 interface type is set to off HCHDM The input reads the NMEA HCHDM sentence via the G3 MAG interface This setting is effective only if the G3 interface type is set to off SIN COS The input reads analogue volt...

Страница 89: ...tocol for the Set Hdg GPS input is set to NMEA 4800 9600 or 38400 Settings GLL GGA The input reads position data from the GLL or GGA sentences Deselect this option in NAVIGAT gyrocompass sys tems position data is read from the compass inputs ZDA The input reads date and time from the ZDA sen tence VBW VHW VTG The input reads speed data from the VBW VHW or VTG sentences Deselect this option in NAVI...

Страница 90: ...utput transmits magnetic compass head ing using the NMEA HDT sentence with talker ID HC HCTHS The output transmits magnetic compass head ing using the NMEA THS sentence with talker ID HC HCHDM The output transmits magnetic compass head ing using the NMEA HDM sentence with talker ID HC STATUS SELECT Selects the output sentence for navigation status data pro prietary sentence Settings PPLAN The outp...

Страница 91: ...0 The output transmits at 38400 Bd high speed according to IEC 61162 2 GYRO SELECT Selects the output sentence for gyrocompass true heading Settings Off Gyrocompass heading is not transmitted XXHDT The output transmits gyrocompass heading using the NMEA HDT sentence The talker ID will be the same as received from the respective heading source XXTHS The output transmits gyrocompass heading using th...

Страница 92: ...ID HC HCTHS The output transmits magnetic compass head ing using the NMEA THS sentence with talker ID HC HCHDM The output transmits magnetic compass head ing using the NMEA HDM sentence with talker ID HC STATUS SELECT Selects the output sentence for navigation status data pro prietary sentence Settings Off Navigation status data is not transmitted PPLAN The output transmits nav status data using t...

Страница 93: ...ND 3 simultaneously will result in erroneous CAM handling Newer select ALR for the ALARM SELECT setting of RS 422 output 2 AND 3 simultaneously Always make sure to either select ALR for the ALARM SELECT setting of RS 422 output 2 OR RS 422 output 2 and to select OFF or PPLAA PPLAB PPLAD for the remaining RS 422 output Note If ALR is selected as ALARM SELECT setting of RS422 Output 2 the input baud...

Страница 94: ...ttings on option checked The output transmits the rate of turn from the active gyro source using the ROT sentence The talker ID will be the same as received from the respective source If the source uses the PLATH format the talker ID will be TI off option unchecked The output does not transmit rate of turn data ...

Страница 95: ... NMEA The output is used as the dedicated heading output for a grounding avoidance system GAS according to DNV The NMEA setting for RS422 output 3 is the standard setting and shall always be used NMEA is set as standard factory for RS422 output 3 with XXHDT and HCHDM set as GYRO SELECT and MAGN SELECT output sentences by default BAUDRATE Selects the output baudrate Settings 4800 The output transmi...

Страница 96: ...ill be the same as received from the respective heading source MAGN SELECT Magnetic Select Selects the output sentence for magnetic compass heading data Settings Off Magnetic compass heading data is not transmit ted HCHDG The output transmits magnetic compass head ing using the NMEA HDG sentence with talker ID HC HCHDT The output transmits magnetic compass head ing using the NMEA HDT sentence with...

Страница 97: ...prietary sentence Settings Off Navigation status data is not transmitted PPLAN The output transmits nav status data using the PPLAN sentence PPNSD The output transmits nav status data using the PPNSD sentence The PPNSD address field is not IEC 61162 con form Select this option only if required by older equipment ...

Страница 98: ...ND 3 simultaneously will result in erroneous CAM handling Newer select ALR for the ALARM SELECT setting of RS 422 output 2 AND 3 simultaneously Always make sure to either select ALR for the ALARM SELECT setting of RS 422 output 2 OR RS 422 output 2 and to select OFF or PPLAA PPLAB PPLAD for the remaining RS 422 output Note If ALR is selected as ALARM SELECT setting of RS422 Output 3 the input baud...

Страница 99: ...sables the GAS functionality Settings on option checked The GAS functionality is enabled In case of failure of the active gyro a substitute head ing is transmitted to the track controller or INS off option unchecked The GAS functionality is disabled For details of the GAS functionality refer to Chapter 3 Grounding Avoidance System GAS MAX HDG DIFF Maximum Heading Difference Sets the maximum allowa...

Страница 100: ...ng is disabled GROUP ID Sets dim group ID to assign the NAVITWIN IV to the respective dim group Selecting ID 00 lets the NAVITWIN IV accept any dim command received regardless of group assignment The group ID setting is effective only if the proprietary PPLAI sen tence is used for dimming Settings 00 99 DIM OFFSET Adds a local offset to the central dimming commands received The offset value indica...

Страница 101: ... commands from the DDC sentence standard dimming command sen tence according to IEC 61162 PPLAI The input reads central dimming commands from the PPLAI sentence proprietary sentence This sentence includes a group ID field which permits to send dim commands to a group of devices selectively Note If a Central Alarm Management CAM device is connected to the NAVITWIN IV the ACK message will be receive...

Страница 102: ...xternal Dimming The port is used for external dimming through push buttons brightness is decreased one level when the input contact is closed 180 OFFSET The port is used to reverse the heading display e g for use in double ended ferries A 180 offset is applied when the input contact is closed G G3 CTRL G G3 Control The port is used to read back the source selection sta tus from the Switch Over Uni...

Страница 103: ...RO 2 ON option checked Gyro 2 heading is reversed when 180 Offset is active OFF option unchecked Gyro 2 heading is not reversed when 180 Offset is active GYRO 3 ON option checked Gyro 3 heading is reversed when 180 Offset is active OFF option unchecked Gyro 3 heading is not reversed when 180 Offset is active MAGN Magnetic ON option checked Magnetic compass heading is reversed when 180 Offset is ac...

Страница 104: ...GYRO3 NAME Sets the name for the Gyro 3 input source editable string max 8 alphanumeric characters MAGN NAME Sets the name for the magnetic compass heading input source editable string max 8 alphanumeric characters LCD COLOR Selects the daylight colour scheme Settings GRAY STYLE Black text and window borders coloured window backgrounds main window background is gray BLUE STYLE Black text and windo...

Страница 105: ...ust be checked with a voltmeter The data content on serial I O lines must be checked with the aid of suitable analysing tools such as PC based protocol interpreters or terminal programs When components on the PCB other than socketed ICs or the exchange able system software flashboard are assumed to cause malfunction the complete NAVITWIN IV operating unit is to be exchanged WARNING Risk of electri...

Страница 106: ... to Visual inspection of mechanical components the PCB and wiring Continuity checks of wiring connections Checks for short circuit or overload conditions or reversed polarity of the external supply powers Checks for overload conditions at the backup power input and the repeater supply outputs indicated by red LEDs In case of malfunction the Switch Over Unit PCB as a whole is to be exchanged ...

Страница 107: ...ngeable components on the NAVITWIN IV PCB Figure 8 1 location of parts on the NAVITWIN IV PCB CR 15 CR 13 CR 16 CR 29 CR 76 CR 35 K 1 J 6 CR 36 CR 37 CR 59 CR 49 CR 50 CR 52 CR 53 CR 76 CR 54 J 1 CR 75 CR 78 CR 46 CR 48 CR 58 CR 57 CR 33 CR 45 Flashboard J 4 J 2 IC 4 CR 21 WARNING danger of electrical shock or burn when CCFL inverter connections are touched J 10 K 2 K 3 K 5 K 4 CR 30 CR 32 K 6 CR ...

Страница 108: ... on board supply present CR 34 green lit when status input closed Ext Dim CR 35 green lit when status input closed Offset 180 Ext Dim CR 36 green lit when status input closed Auto Man CR 37 green lit when status input closed Mute CR 45 green flashes with activity on Rx line Gyro 2 input CR 46 green flashes with activity on Rx line Gyro 1 input CR 48 green lit when status output active G1 G2 CR 49 ...

Страница 109: ... service J 2 RS 232 service interface connector J 4 Socket for exchangeable system software flashboard J 6 50 pin Sub D I O connector J 10 USB service interface connector Part Function Flash board Flashboard flash memory card pre programmed with system software IC 4 quad RS 422 output driver IC drives RS 422 outputs 1 2 and 3 K 1 photocoupler photo relay mute output K 2 photocoupler photo relay he...

Страница 110: ...TOM 8 5 6 7 4 3 2 1 9 11 13 12 10 14 15 16 TOP 24 21 22 23 20 19 18 17 25 27 29 28 26 30 31 32 BOTTOM 8 5 6 7 4 3 2 1 9 11 12 10 TOP 20 17 18 19 16 15 14 13 21 23 24 22 BOTTOM 8 5 6 7 4 3 2 1 9 11 12 10 TOP 20 17 18 19 16 15 14 13 21 23 24 22 BOTTOM 8 5 6 7 4 3 2 1 9 11 13 12 10 14 15 16 TOP 24 21 22 23 20 19 18 17 25 27 29 28 26 30 31 32 BOTTOM 8 5 6 7 4 3 2 1 9 11 13 12 10 14 15 16 TOP 24 21 22 ...

Страница 111: ... circuit at repeater output 3 CR 21 red overload short circuit at repeater output 4 CR 22 red overload short circuit at repeater output 5 CR 23 red overload short circuit at repeater output 6 CR 24 red overload short circuit at repeater output 7 CR 25 red overload short circuit at repeater output 8 CR 26 red overload short circuit at repeater output 9 CR 27 red overload short circuit at repeater o...

Страница 112: ...056360 E NAVITWIN IV 8 8 Location of Parts on the Switch Over Unit PCB ...

Страница 113: ...llows both to upgrade to newer and to downgrade to previous releases by simply exchanging the flashboard WARNING Risk of electrical shock or burn Hazardous voltage is present inside the NAVITWIN IV Danger of electrical shock or burn may occur when the CCFL inverter connections are touched Disconnect power before opening the device Never touch the PCB when servicing the device without the back cove...

Страница 114: ...ouch it at the edges only 5 Insert the new flashboard into the socket 6 Secure the flashboard with the plastic pin 7 In case of a console or frame mounted device reattach the back cover and mount the NAVITWIN IV in the console In case of a device in housing with bracket insert the NAVITWIN IV in the housing and screw on the back cover 8 Reconnect and secure the 50 pin plug connector 9 Power up the...

Страница 115: ...quence 13 Check the parameter settings in the User and Service Setup menus and the entries in the magnetic compass heading calibration table Re enter any settings which may not have been preserved Note If the EEPROM DATA INVALID message was shown during the power up all parameters settings will have been restored to factory settings The settings in the User and Service setups the Manual settings a...

Страница 116: ...e devices type number and the firmware version If you have not yet installed the SUSI and or the device driver refer to the SUSI Installation Guide Sperry document no 056358 CAUTION Risk of inoperable device state Updating a device s firmware using the FlashUpdate mode is a risky operation as SUSI writes directly to the device s flash memory Further more SUSI cannot verify whether the file supplie...

Страница 117: ...during the upload its contents will be copied to the onboard flash memory when the system is restarted i e the newly uploaded software will immediately be over written by the old version stored on the flashboard 5 You will have obtained an update file hex file from Sperry Marine Save this file at a convenient location on the computer where it is easily retrieved 6 If SUSI is not running yet start ...

Страница 118: ...ay equally be used either via RS 232 cable or via USB standard connection For Sperry devices equipped with a USB port the safer and more convenient update mode via USB connection is recommended When SUSI is installed under Windows 10 the UpdateFlash mode via USB port is not available for the NAVITWIN IV CDU 11 Click the Online button at the top of the screen or press F9 to open the COM port The LE...

Страница 119: ...ate file has been given another extension for any reason the filename including the complete access path must be entered manually in the respective text box of the update tab 13 Now power up the NAVITWIN IV while keeping the MENU key pressed This will prevent the device from entering normal operation and put it in the software update mode 14 The NAVITWIN IV shows a blank display Three short beeps ...

Страница 120: ...EEPROM DATA INVALID message is shown the new soft ware requires the setup mem ory to be restored to factory settings Press the ACK key to continue the power up sequence 20 Check that the new software version is shown on the startup screen 21 If no flashboard was installed originally in the NAVITWIN IV skip to step 27 below Otherwise reinsert the flashboard into its socket now while leaving the NAV...

Страница 121: ...ete the maintenance menu screen reappears The reported software version for the update flash should now match the one for the program flash 27 Check the parameter settings in the User and Service Setup menus and the entries in the magnetic compass heading calibration table Re enter any settings which may not have been preserved Note If the EEPROM DATA INVALID message was shown during the power up ...

Страница 122: ... one The driver IC is a standard quadruple RS 422 line driver MC3487 avail able from Sperry Marine Hamburg upon request 9 3 Replacing the Alarm Status Output Relays The alarm and status output relays K 1 through 6 are socketed solid state relays in a 6 pin DIL package If failure of an output is attributed to a defective relay the respective component can be exchanged against a new one The pulse re...

Страница 123: ...IPL Overview 10 1 Chapter 10 NAVITWIN IV Spare Parts 10 1 Illustrated Parts List IPL Overview Table 10 1 IPL of system component spare parts Spare Part Name Stock No Flashboard flash memory card pre programmed with system software 020732 0000 000 ...

Страница 124: ...056360 E NAVITWIN IV 10 2 Illustrated Parts List IPL Overview ...

Страница 125: ...Airborne Equipment ACK Acknowledge alarms ADA Name of a Programming Language AIS Automatic Identification System ANSI American National Standards Institute approx Approximately ARS Attitude Reference System ASME American Society of Mechanical Engineers AZ Azimuth B BD Baud Bd Baud BIT Built In Test BIU Bus interface unit BSH German Federal Maritime and Hydrographic Agency BSH C C Celsius CA Correc...

Страница 126: ...rrent D Code Fault code D00 D32 DGPS Differential GPS see also GPS dia Diameter diff Difference DIFF Difference DIM dimmer DIN Deutsche Industrie Norm German Industrial Norm Dnn D00 D32 D Code Fault code DNV Det Norske Veritas DNV Naut AW Det Norske Veritas Class notation for enhanced nauti cal safety DP Dynamic positioning dwg drawing E E East EC European Union Council ECCN Export Control Classif...

Страница 127: ...ym for IPSU FL Line filter Flash Non volatile Memory FMEA Failure mode effect analysis FOG Fiber optical gyrocompass FRAM Ferro Electrical RAM Non volatile RAM FU Follow up G G1 Gyrocompass 1 G2 Gyrocompass 2 G M headings Gyro Magnetic compass headings GAS Grounding avoidance system Gen General GGA NMEA sentence providing the GPS current fix data GL Germanischer Lloyd GLL Geographic position latit...

Страница 128: ...DT Heading True HMS Heading management system HSC High speed craft HSC 2000 Class notation for high speed craft HTC Heading track control Hz Hertz I I O Input Output IC Integrated circuit ICD Interface Control Document ID Identifier IEC International Electro Technical Commission IHO International hydrographic office IMO International Maritime Organization IMU Inertial Measurement Unit INS Integrat...

Страница 129: ...er Kt Knot kt Knot L LAT Latitude Lat Latitude lat Latitude LCD Liquid crystal display LED Light Emitting Diode LEHMK Lehmkuhl transmission standard company Lehm kuhl LF Line feed LFK Litef Faser Kreisel Litef fiber optic gyroscope lon Longitude Lon Longitude LORAN Long Range Navigation LORAN C Long Range Navigation C LSB Least significant Bit LSR85 FOG variant M Mag Magnetic Mag Hdg Inp Magnetic ...

Страница 130: ...ntainer model 10 3 Mod 7 2 Gyrocompass container model 7 2 MSB Most significant Bit MSC Maritime Safety Committee MTBF Mean time between failure N N North NAUT AW Class notation with augments requirements for bridge congfiguration for ships largely operating largely in coastal and narrow waters NAUT HSC Class notation for high speed craft NAUT OC Class notation with fundamental requirements for sh...

Страница 131: ...rFAST serial data output NMEA GGA NMEA GGA sentence NMEA GLL NMEA GLL sentence NMEA HCHDG NMEA HCHDG sentence NMEA HCHDM NMEA HCHDM sentence NMEA HCHDT NMEA HCHDT sentence NMEA HDG NMEA HDG sentence NMEA HDM NMEA HDM sentence NMEA RMA NMEA RMA sentence NMEA RMC NMEA RMC sentence n o normally open No Number NVR None Volatile RAM O Off Hdg Off heading alarm op Operational OUTP Output P p Pulse P Gnd...

Страница 132: ...icator RAM Random Access Memory Ref Voltage Reference voltage RM Recommended minimum navigation information RMA Recommended minimum navigation information NMEA sentence A RMB Recommended minimum navigation information NMEA sentence B RMC Recommended minimum navigation information NMEA sentence C RMS Root mean square ROM Read Only Memory ROR Rudder order status ROT Rate of turn ROTI Rate of turn in...

Страница 133: ...ing failure alarm unit sin Sine SMS Steering mode switch SOG Speed over ground actual measured speed of advance of a vessel over the surface of the earth SOLAS Safety of life at sea SoS Scope of supply SOU Switch over unit SPEED N No speed SRAM Static RAM SRD Abbreviation for speed log Stat Status stb Starboard STW Speed through water ship s speed as measured rela tive to the water SUSI Sperry uni...

Страница 134: ...eater UML Unified Modelling Language USCG United states coast guard V V Volt VAC Volt alternating current VDC Volt direct current VDR Voyage data recorder VHW Water speed and heading VMS Voyage management system VMS ECDIS Voyage management system electronic chart display and information system VOSS Vessel optimization safety system Vpp Voltage peak to peak VTG Velocity through ground VTS Vessel tr...

Страница 135: ...AVITWIN IV 056360 E Abbreviations XI X X rate Roll rate X Y rates Roll and pitch rates Y Y rate Pitch rate Z Z DO 160 Section Z DO 160E Environmental Conditions and Test Procedures for Airborne Equipment ...

Страница 136: ...056360 E NAVITWIN IV XII ...

Страница 137: ...le When permanent changes are made to the system configuration please return an updated copy of the Setup Table to Sperry Marine Designation Drawing No Dimension Drawing Heading Management System NAVITWIN IV Control and Display Unit in Housing with Bracket 4994 0112 01 Dimension Drawing Heading Management System NAVITWIN IV Control and Display Unit 4994 0112 02 Dimension Drawing Console Frame Layo...

Страница 138: ... drawings are revision controlled separately at Sperry Marine In case of doubt verify the current revision status of the draw ings with Sperry Marine This manual s revision status does not change when the revision of an appended drawing changes ...

Страница 139: ...rever possible Monitoring Functions Off Hdg Alarm Mode m OFF m AUTO m MAN Threshold Hdg Diff Alarm Sources m OFF m GY1 GY2 m GY1 GY3 m GY1 MAGN m GY2 GY3 m GY2 MAGN m GY3 MAGN Threshold Manual Settings Speed Mode m AUTO1 m AUTO2 m MAN Man Value _________kn Position Mode m AUTO1 m AUTO2 m MAN Manual LAT Man Value _________kn _________ Mag Variation q AUTO Man Value _________ W E NAVIPRINT q ON Pape...

Страница 140: ......

Страница 141: ...an updated copy of the Setup Table to Sperry Marine Gyro 1 Interface Type m OFF m NMEA HDT THS m NMEA NAVIGAT m PLATH BINARY Compass Name m GYRO m FOG m NAVISTAR m GYRO 1 m FOG 1 m USERNAME m GYRO 2 m FOG 2 m GYRO 3 m FOG 3 Gyro 2 Interface Type m OFF m NMEA HDT THS m NMEA NAVIGAT m PLATH BINARY Compass Name m GYRO m FOG m NAVISTAR m GYRO 1 m FOG 1 m USERNAME m GYRO 2 m FOG 2 m GYRO 3 m FOG 3 Gyro...

Страница 142: ... Status Select m PPLAN m PPNSD RS422 Outp 2 Baudrate m 4800 m 9600 m 19200 m 38400 Gyro Select m OFF m XXHDT m XXTHS Magn Select m OFF m HCHDG m HCHDT m HCTHS m HCHDM Status Select m OFF m PPLAN m PPNSD Alarm Select m OFF m PPLAA PPLAB PPLAD m ALR ROT Out q XXROT RS422 Outp 3 Type m NAVIPRINT m NMEA Baudrate m 4800 m 9600 m 19200 m 38400 Gyro Select m OFF m XXHDT m XXTHS Magn Select m OFF m HCHDG ...

Страница 143: ...______ Dim Offset _________________ Baudrate m 4800 m 9600 m 19200 m 38400 Messages q XXDDC q PPLAI Port Settings Port 1 Mode m Ext Dim m G1 G2 Ctrl Port 2 Mode m Ext Dim m 180 Offset m G G3 Ctrl m G M Ctrl 180 Offset q GYRO 1 q GYRO 2 q GYRO 3 q MAGN Internals Individ Name GYRO1 NAME _________________ GYRO2 NAME _________________ GYRO3 NAME _________________ MAGN NAME _________________ LCD Color ...

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Страница 145: ... Calibration Table Vessel IMO No Hull No Shipyard Service Station Installer Date Signature Magnetic Compass Hdg Magnetic Hdg Display uncalibrated Correction Value 0 0 10 0 20 0 30 0 40 0 50 0 60 0 70 0 80 0 90 0 100 0 110 0 120 0 130 0 140 0 150 0 160 0 170 0 Magnetic Compass Hdg Magnetic Hdg Display uncalibrated Correction Value 180 0 190 0 200 0 210 0 220 0 230 0 240 0 250 0 260 0 270 0 280 0 29...

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Страница 164: ... Grumman Sperry Marine B V Representative Office Woltmanstr 19 D 20097 Hamburg Germany Tel 49 40 299 00 0 Fax 49 40 299 00 146 E mail service eu sperry ngc com Sperry Marine Service www sperrymarine com offices ...

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