JRC JMR-7296-6X User manual

Overview
1
Name and Function of Each Unit
2
Common Basic Operations
3
Range and Bearing Measurement Methods
4
Basic Operation of the Radar
5
Target Tracking and AIS
6
True and False Echoes on Display
7
Functions of the ECDIS (Option)
8
Route Planning
9
Route Monitoring
10
Monitoring a Dragging Anchor
11
Automatic Sailing (Option)
12
Operating a Chart (Option)
13
Creating a User Chart/ Updating a Chart
Manually
14
Logbook
15
Setting Up Screen View
16
Setting Up Alerts
17
Setting Up the Operation Mode
18
Adjusting and Setting Up Equipment (for
Services)
19
Playing Back Data Recorded During
Navigation [Playback]
20
Maintenance & Inspection
21
Failures and After-Sale Services
22
About Disposal
23
Specifications
24
Radar Antenna Block Diagrams
APP A
Alert List
APP B
Setting the Interswitch
APP C
Menu List and Materials
APP D
JMR-7230-S3/S
JMR-7225-7X3/9X3/6X/9X/6XH
JMR-7210-6X/6XH
JMR-7272-S
JMR-7282-S/SH
JMR-7296-6X/9X
JMR-9230-S3/S
JMR-9225-7X3/9X3/6X/9X/6XH
JMR-9210-6X/6XH
JMR-9272-S
JMR-9282-S/SH
JMR-9296-6X/9X
Marine Radar Equipment
Instruction Manual
<Reference>

㻌
㻌
㻌(1) Contents
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
Section 19 Adjusting and Setting up Equipment (for Services)....................... 19-1
19.1 Service Menu ...................................................................................................................... 19-1
19.1.1 To display the Service menu:...................................................................................... 19-1
19.2 Radar Adjustment................................................................................................................ 19-3
19.2.1 Displaying the [Adjustment] dialog box....................................................................... 19-3
19.2.2 Performing basic adjustments on the radar................................................................ 19-4
19.2.2.1 Displaying the "Basic Adjustment" dialog ............................................................. 19-4
19.2.2.2 Tune adjustment ................................................................................................... 19-5
19.2.2.3 Adjusting the bearing............................................................................................ 19-5
19.2.2.4 Adjusting a distance ............................................................................................. 19-6
19.2.2.5 Radar operation modes ........................................................................................ 19-6
19.2.3 Adjusting Antenna....................................................................................................... 19-7
19.2.3.1 Displaying the [TXRX] dialog................................................................................ 19-7
19.2.3.2 Adjusting an radar antenna height ....................................................................... 19-7
19.2.3.3 Setting a tuning bar peak value............................................................................ 19-8
19.2.3.4 Adjusting a tuning peak value .............................................................................. 19-8
19.2.3.5 Setting bearing pulse output................................................................................. 19-8
19.2.4 Adjusting a radar performance monitor (Radar screen only) ..................................... 19-9
19.2.4.1 Displaying the [Performance Monitor]/[Performance Monitor (SSR)] dialog........ 19-9
19.2.4.2 Adjusting a magnetron radar performance monitor............................................ 19-10
19.2.4.3 Adjusting a performance monitor of a Solid State Radar (SSR) ........................ 19-11
19.2.5 Setting Sector Blank (Radar screen only) ................................................................ 19-13
19.2.5.1 Displaying the [Sector Blank] dialog................................................................... 19-13
19.2.5.2 Setting Sector Blank ........................................................................................... 19-13
19.2.6 Adjusting the TT function .......................................................................................... 19-14
19.2.6.1 Displaying the [TT] dialog ................................................................................... 19-14
19.2.6.2 Setting vector constants ..................................................................................... 19-15
19.2.6.3 Setting a quantization level at manual acquisition ............................................. 19-15
19.2.6.4 Setting a quantization level at automatic acquisition.......................................... 19-15
19.2.6.5 Setting a gate size used for tracking .................................................................. 19-16
19.2.6.6 Displaying a TT limit ring .................................................................................... 19-16
19.2.7 Adjusting MBS .......................................................................................................... 19-16
19.2.7.1 Displaying the [MBS] dialog................................................................................ 19-17
19.2.7.2 Performing MBS adjustment............................................................................... 19-17
19.2.7.3 Adjusting a MBS application range .................................................................... 19-17
19.3 Verifying Installation and Initial Setting ............................................................................. 19-18
19.3.1 Displaying the [Installation] dialog box...................................................................... 19-18
19.3.2 Verifying/Setting CCRP (Consistent Common Reference Point).............................. 19-19
19.3.2.1 Displaying the [CCRP] dialog ............................................................................. 19-19
19.3.2.2 Setting CCRP ..................................................................................................... 19-20
19.3.3 Setting a Serial Port.................................................................................................. 19-21
19.3.3.1 Displaying the [Serial Port] dialog ...................................................................... 19-22
7ZPNA4448
K

Contents (2)
19.3.3.2 [Diagnosis] lamp light colors............................................................................... 19-22
19.3.3.3 Setting a serial port............................................................................................. 19-22
19.3.3.4 To change the communication settings of the Serial Port .................................. 19-25
19.3.4 Setting a System Function........................................................................................ 19-28
19.3.4.1 Displaying a [System Function] dialog ............................................................... 19-28
19.3.4.2 Lamp light colors ................................................................................................ 19-28
19.3.4.3 Setting a system function ................................................................................... 19-29
19.3.5 Setting own ship's parameters.................................................................................. 19-35
19.3.5.1 Displaying the [Ship's Parameters] dialog.......................................................... 19-35
19.3.5.2 Setting own ship's parameters ........................................................................... 19-35
19.3.6 Setting the automatic sailing system ........................................................................ 19-36
19.3.6.1 Displaying the [Autosail] dialog .......................................................................... 19-36
19.3.6.2 Setting the automatic sailing system .................................................................. 19-37
19.3.7 Setting the AIS password.......................................................................................... 19-37
19.3.7.1 Displaying the [AIS] dialog.................................................................................. 19-37
19.3.7.2 Setting the AIS password ................................................................................... 19-38
19.3.8 Setting Sensor .......................................................................................................... 19-39
19.3.8.1 Displaying the [Sensor] dialog............................................................................ 19-39
19.3.8.2 Displaying an alert set point ............................................................................... 19-39
19.3.8.3 Setting the GPS switching linkage function........................................................ 19-40
19.3.9 Setting Route Sharing............................................................................................... 19-41
19.3.9.1 Displaying the [Route Sharing] dialog ................................................................ 19-41
19.3.9.2 Selecting a route sharing method....................................................................... 19-41
19.3.10 Setting the GPS Shared Route................................................................................. 19-42
19.3.10.1 Displaying the [GPS Shared Route] dialog........................................................ 19-42
19.3.10.2 Setting the GPS Shared Route.......................................................................... 19-42
19.3.11 Setting the Route Plan Exchange............................................................................. 19-44
19.3.11.1 Displaying the [Route Plan Exchange] dialog ................................................... 19-44
19.3.11.2 Setting the Route Plan Exchange...................................................................... 19-44
19.4 Maintenance...................................................................................................................... 19-45
19.4.1 Displaying the [Maintenance] dialog box .................................................................. 19-45
19.4.2 Managing storage ..................................................................................................... 19-46
19.4.3 Maintaining the radar (Radar screen only) ............................................................... 19-47
19.4.3.1 Displaying the [RADAR] dialog........................................................................... 19-47
19.4.3.2 Changing the operation mode of the safety switch ............................................ 19-47
19.4.3.3 Clearing a radar antenna operation time............................................................ 19-48
19.4.3.4 Replacing a TXRX circuit of a radar antenna ..................................................... 19-48
Section 20 Playing Back Data Recorded During Navigation........................... 20-1
20.1 Playback Controller ............................................................................................................. 20-3
20.2 Selecting Playback Data ..................................................................................................... 20-6
20.2.1 Sorting the Playback List ............................................................................................ 20-6
20.3 Playing back Logbook Data ................................................................................................ 20-7

(3) Contents
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
20.3.1 Changing the Playback Speed ................................................................................... 20-8
20.4 Exiting the Playback Mode.................................................................................................. 20-9
20.5 Outputting Navigation Record Data .................................................................................. 20-10
20.6 Functional Restrictions when in the Playback Mode ........................................................ 20-12
Section 21 Maintenance & Inspection............................................................. 21-1
21.1 Maintenance Functions Executed from Menu..................................................................... 21-1
21.1.1 Starting maintenance functions .................................................................................. 21-1
21.1.2 Setting Date/Time/Time Zone ..................................................................................... 21-1
21.1.3 Confirming System Information .................................................................................. 21-3
21.1.3.1 Confirming software information........................................................................... 21-4
21.1.3.2 Checking the enable/disable statuses of the functions that have been installed . 21-6
21.1.3.3 Confirming H/W key information........................................................................... 21-9
21.1.3.4 Confirming the compliant standards for the equipment...................................... 21-11
21.1.4 Confirming Operating Time....................................................................................... 21-13
21.1.5 Displaying/Resetting the Current Voyage Distance.................................................. 21-14
21.1.6 Setting and confirming the Sensor Source ............................................................... 21-16
21.1.7 Checking the Route Plan Exchange Log.................................................................. 21-19
21.2 General Maintenance........................................................................................................ 21-20
21.3 Maintenance on Each Unit................................................................................................ 21-21
21.3.1 Radar antenna NKE-1125/A、1129、1130/A、1139、1696......................................... 21-21
21.3.1.1 Precautions in mounting the cover..................................................................... 21-22
21.3.1.2 Radiator .............................................................................................................. 21-24
21.3.1.3 Rotating section.................................................................................................. 21-24
21.3.2 Flexible wave guide (JMR-9225-7X3/9X3, JMR-7225-7X3/9X3) ............................. 21-24
21.3.3 Coaxial cable (JMR-9230-S3, JMR-7230-S3) .......................................................... 21-25
21.3.4 Transmitter-receiver (NTG-3225/3230) .................................................................... 21-25
21.3.5 Display unit ............................................................................................................... 21-25
21.3.5.1 The Screen ......................................................................................................... 21-26
21.3.5.2 The Trackball ...................................................................................................... 21-26
21.4 Performance Check .......................................................................................................... 21-27
21.4.1 Starting Selftest functions ......................................................................................... 21-28
21.4.2 Confirming the screen status [Monitor Test] ............................................................. 21-29
21.4.3 Confirming the operation of the operation unit [Key Test]......................................... 21-33
21.4.4 Confirming the alert sound [Sound Test]................................................................... 21-34
21.4.5 Testing the brightness of LED [Light Test] ................................................................ 21-35
21.4.6 Checking the magnetron current level of the radar [Magnetron Curr.] ..................... 21-36
21.4.7 Checking the memory [Memory Check].................................................................... 21-37
21.4.8 Checking the performance monitor status................................................................ 21-38
21.4.8.1 MON Check ........................................................................................................ 21-39
21.4.8.2 MON Check (SSR) ............................................................................................. 21-41
21.4.9 Cleaning the lens of the DVD drive........................................................................... 21-42
21.5 Replacement of Major Parts.............................................................................................. 21-44

Contents (4)
21.5.1 Parts expected for periodic replacement .................................................................. 21-44
21.5.2 Replacement of magnetron ...................................................................................... 21-46
21.5.2.1 Handling of magnetron under long-time storage................................................ 21-46
21.5.2.2 Magnetron replacement procedure for radar antenna NKE-1130/A................... 21-47
21.5.2.3 Magnetron replacement procedure for radar antenna NKE-1125/A、
NKE-2254-HS..................................................................................................... 21-49
21.5.2.4 Magnetron replacement procedure for radar antenna NKE-2103、
NKE-2103HS ...................................................................................................... 21-51
21.5.2.5 Magnetron replacement procedure for transmitter-receiver unit NTG-3230 ...... 21-54
21.5.2.6 Magnetron replacement procedure for transmitter-receiver unit NTG-3225 ...... 21-56
21.5.3 Replacing the motor.................................................................................................. 21-59
21.5.3.1 Motor replacement procedure for radar antenna NKE-1130/A、NKE-1139 ........ 21-59
21.5.3.2 Motor replacement procedure for NKE-1632 ..................................................... 21-62
21.5.3.3 Motor replacement procedure for radar antenna NKE-2632/ NKE-2632-H ....... 21-64
21.5.3.4 Motor replacement procedure for radar antenna NKE-1125/A 、NKE-1129 、
NKE-1696 ........................................................................................................... 21-68
21.5.3.5 Motor replacement procedure for radar antenna NKE-2254-HS........................ 21-72
21.5.3.6 Motor replacement procedure for radar antenna NKE-2103、NKE-2103-HS .... 21-75
21.6 Software Update ............................................................................................................... 21-78
21.6.1 Local Update............................................................................................................. 21-78
21.6.2 Remote Update......................................................................................................... 21-81
21.7 Firmware Update............................................................................................................... 21-85
21.8 Updating Help Data........................................................................................................... 21-88
21.9 Confirming Maintenance INFO ......................................................................................... 21-91
21.9.1 Screen items/fields and their function....................................................................... 21-91
21.9.2 Switching to the standard window or the expanded window .................................... 21-94
21.9.3 Exporting maintenance information .......................................................................... 21-96
21.10 Data Backup/Restore........................................................................................................ 21-97
21.10.1 Backing up data ........................................................................................................ 21-97
21.10.2 Restoring backed up data......................................................................................... 21-99
21.11 Recovery of the Images in the C Drive ........................................................................... 21-101
21.11.1 Starting the equipment with the OS in the D drive.................................................. 21-102
21.11.2 Executing the SSD recovery tool ............................................................................ 21-102
21.11.3 Starting the equipment with the OS in the C drive (Software automatic recovery) 21-103
21.11.4 Re-setting C-MAP ................................................................................................... 21-104
Section 22 Failures and After-Sale Services................................................... 22-1
22.1 Failure Detection ................................................................................................................. 22-1
22.1.1 About alerts................................................................................................................. 22-1
22.1.2 Alert description .......................................................................................................... 22-1
22.1.3 S-57/63 chart related error message list..................................................................... 22-1
22.1.4 ARCS chart related error message list ....................................................................... 22-1
22.1.5 Fuse inspection........................................................................................................... 22-2

(5) Contents
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
22.2 Countermeasures for Failures ............................................................................................ 22-3
22.2.1 Special parts ............................................................................................................... 22-3
22.2.2 Repair circuit block...................................................................................................... 22-5
22.3 Troubleshooting................................................................................................................. 22-33
22.4 After-Sale Services ........................................................................................................... 22-48
22.4.1 About the retaining period of service parts ............................................................... 22-48
22.4.2 When requesting a repair ......................................................................................... 22-48
22.4.3 Recommendation of inspection and maintenance.................................................... 22-48
22.4.4 Extending the functions ............................................................................................ 22-50
22.4.4.1 Importing the license information ....................................................................... 22-50
Section 23 About Disposal.............................................................................. 23-1
23.1 About Disposal of This Equipment...................................................................................... 23-1
23.2 About Disposal of Used Magnetrons .................................................................................. 23-1
23.3 About Disposal of TR Tubes ............................................................................................... 23-1
23.4 Chinese Version RoHS ....................................................................................................... 23-2
Section 24 Specifications................................................................................ 24-1
24.1 JMR-9230-S3 ...................................................................................................................... 24-1
24.2 JMR-9230-S ........................................................................................................................ 24-2
24.3 JMR-9225-9X3 .................................................................................................................... 24-3
24.4 JMR-9225-7X3 .................................................................................................................... 24-4
24.5 JMR-9225-9X ...................................................................................................................... 24-5
24.6 JMR-9225-6X ...................................................................................................................... 24-6
24.7 JMR-9225-6XH ................................................................................................................... 24-7
24.8 JMR-9210-6X ...................................................................................................................... 24-8
24.9 JMR-9210-6XH ................................................................................................................... 24-9
24.10 JMR-9272-S ...................................................................................................................... 24-10
24.11 JMR-9282-S ...................................................................................................................... 24-11
24.12 JMR-9282-SH ................................................................................................................... 24-12
24.13 JMR-9296-9X .................................................................................................................... 24-13
24.14 JMR-9296-6X .................................................................................................................... 24-14
24.15 JMR-7230-S3 .................................................................................................................... 24-15
24.16 JMR-7230-S ...................................................................................................................... 24-16
24.17 JMR-7225-9X3 .................................................................................................................. 24-17
24.18 JMR-7225-7X3 .................................................................................................................. 24-18
24.19 JMR-7225-9X .................................................................................................................... 24-19
24.20 JMR-7225-6X .................................................................................................................... 24-20
24.21 JMR-7225-6XH ................................................................................................................. 24-21
24.22 JMR-7210-6X .................................................................................................................... 24-22
24.23 JMR-7210-6XH ................................................................................................................. 24-23

Contents (6)
24.24 JMR-7272-S ...................................................................................................................... 24-24
24.25 JMR-7282-S ...................................................................................................................... 24-25
24.26 JMR-7282-SH ................................................................................................................... 24-26
24.27 JMR-7296-9X .................................................................................................................... 24-27
24.28 JMR-7296-6X .................................................................................................................... 24-28
24.29 NKE-1139.......................................................................................................................... 24-29
24.30 NKE-1130/A....................................................................................................................... 24-30
24.31 NKE-1129.......................................................................................................................... 24-31
24.32 NKE-1125/A....................................................................................................................... 24-32
24.33 NKE-2254-6HS ................................................................................................................. 24-33
24.34 NKE-2103.......................................................................................................................... 24-34
24.35 NKE-1632.......................................................................................................................... 24-35
24.36 NKE-2632、NKE-2632-H................................................................................................... 24-36
24.37 NKE-1696.......................................................................................................................... 24-37
24.38 NTG-3230 ......................................................................................................................... 24-38
24.39 NTG-3225 ......................................................................................................................... 24-38
24.40 NJU-84 .............................................................................................................................. 24-39
24.41 NJU-85 .............................................................................................................................. 24-39
24.42 Display Unit ....................................................................................................................... 24-40
24.43 Target Tracking.................................................................................................................. 24-44
24.44 AIS..................................................................................................................................... 24-45
24.45 Central Control Unit........................................................................................................... 24-46
24.46 Power Supply Unit............................................................................................................. 24-47
24.47 Trackball Operation Unit ................................................................................................... 24-48
24.48 19inch Display (NWZ-207)................................................................................................ 24-48
24.49 19inch Display (NWZ-214)................................................................................................ 24-49
24.50 26inch Display................................................................................................................... 24-50
24.51 Keyboard OPU .................................................................................................................. 24-51
24.52 26inch Display Unit Mount Kit ........................................................................................... 24-51
24.53 19inch Display Unit Mount Kit ........................................................................................... 24-51
24.54 Sensor LAN Switch Unit.................................................................................................... 24-52
24.55 Junction Box...................................................................................................................... 24-53
Appendix A Radar Antenna Block Diagrams ......................................................A-1
A.1 NKE-1139 (110 VAC).............................................................................................................A-1
A.2 NKE-1139 (220 VAC) ............................................................................................................A-2
A.3 NTG-3230 .............................................................................................................................A-3
A.4 NKE-1130 (110 VAC).............................................................................................................A-4
A.5 NKE-1130 (220 VAC) ............................................................................................................A-5
A.6 NKE-1130A (110/220 VAC) ...................................................................................................A-6

(7) Contents
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
A.7 NKE-1632..............................................................................................................................A-7
A.8 NKE-2632/2632-H.................................................................................................................A-8
A.9 NKE-1129 (110 VAC).............................................................................................................A-9
A.10 NKE-1129 (220 VAC) ..........................................................................................................A-10
A.11 NTG-3225 ........................................................................................................................... A-11
A.12 NKE-1125 (110 VAC)...........................................................................................................A-12
A.13 NKE-1125 (220 VAC) ..........................................................................................................A-13
A.14 NKE-1125A (110/220 VAC) .................................................................................................A-14
A.15 NKE-2254/2254-6HS ..........................................................................................................A-15
A.16 NKE-2103/2103-6HS ..........................................................................................................A-16
A.17 NKE-1696............................................................................................................................A-17
Appendix B Alert, Maintenance INFO and Permanent information ....................B-1
B.1 Alert .......................................................................................................................................B-1
B.1.1 Priority: Alarms..............................................................................................................B-2
B.1.2 Priority: Warnings..........................................................................................................B-3
B.1.3 Priority: Cautions.........................................................................................................B-10
B.1.4 List of Alert escalation.................................................................................................B-16
B.1.5 List of Alerts with responsibility-transferred state .......................................................B-17
B.1.6 List of Aggregated Alerts .............................................................................................B-18
B.1.7 List of Alert Icons.........................................................................................................B-21
B.2 Maintenance INFO ..............................................................................................................B-22
B.3 Permanent Information........................................................................................................B-72
Appendix C Setting the Inter switch....................................................................C-1
C.1 Overview .............................................................................................................................. C-1
C.1.1 Overview ...................................................................................................................... C-1
C.1.2 Checking the connection status with the connected radar antennas .......................... C-2
C.2 Inter switch Operations ........................................................................................................ C-3
C.2.1 Flow of operations........................................................................................................ C-3
C.2.2 Opening the [Inter Switch] dialog box.......................................................................... C-4
C.2.3 Checking the connection pattern ................................................................................. C-6
C.2.3.1 About equipment defect mark ( ) and error notification mark ( ) ................. C-8
C.2.4 Changing the connection pattern................................................................................. C-9
C.2.5 Changing the name of radar antenna or display unit................................................. C-10
C.2.6 Using the set connection pattern ................................................................................C-11
C.3 Reference........................................................................................................................... C-14
C.3.1 Pre-heat time after changing the connection pattern................................................. C-14
C.3.2 Precautions while changing the connection pattern .................................................. C-14
C.3.3 Precautions during a slave connection...................................................................... C-14
C.3.4 Setting during installation........................................................................................... C-15
Appendix D Menu List and Materials..................................................................D-1

Contents (8)
D.1 Menu List.............................................................................................................................. D-1
D.1.1 Route Planning ............................................................................................................ D-1
D.1.2 Route Monitoring.......................................................................................................... D-3
D.1.3 Anchor Watch............................................................................................................... D-4
D.1.4 Autosail*....................................................................................................................... D-5
D.1.5 Chart ............................................................................................................................ D-6
D.1.6 User Chart.................................................................................................................... D-8
D.1.7 Logbook ....................................................................................................................... D-9
D.1.8 TT/AIS........................................................................................................................ D-10
D.1.9 Tools........................................................................................................................... D-13
D.1.10 View ........................................................................................................................... D-16
D.1.11 Alert............................................................................................................................ D-21
D.1.12 Settings ...................................................................................................................... D-22
D.1.13 Chart Maintenance..................................................................................................... D-28
D.1.14 Maintenance .............................................................................................................. D-30
D.1.15 Help............................................................................................................................ D-33
D.1.16 Code Input ................................................................................................................. D-34
D.1.17 Service ....................................................................................................................... D-35
D.2 Context Menu List .............................................................................................................. D-43
D.2.1 No object.................................................................................................................... D-43
D.2.1.1 ECDIS (S57/C-MAP) screen ............................................................................... D-43
D.2.1.2 ECDIS(ARCS) screen ......................................................................................... D-44
D.2.1.3 RADAR screen .................................................................................................... D-45
D.2.2 AIS D-46
D.2.2.1 Sleeping AIS target.............................................................................................. D-46
D.2.2.2 Activated AIS target ............................................................................................. D-47
D.2.2.3 Numeric displayed AIS target .............................................................................. D-48
D.2.3 TT D-49
D.2.3.1 Internal TT ........................................................................................................... D-49
D.2.3.2 External TT .......................................................................................................... D-49
D.2.3.3 TT detail information display (internal TT)........................................................... D-50
D.2.3.4 TT detail information display (external TT).......................................................... D-50
D.2.4 NAVTEX..................................................................................................................... D-51
D.2.4.1 NAVTEX............................................................................................................... D-51
D.2.5 Mariner's Mark/Line ................................................................................................... D-52
D.2.5.1 Event mark .......................................................................................................... D-52
D.2.5.2 Information mark.................................................................................................. D-52
D.2.5.3 Current mark........................................................................................................ D-52
D.2.5.4 Clearing line......................................................................................................... D-52
D.2.5.5 Highlighted display .............................................................................................. D-53
D.2.6 User chart .................................................................................................................. D-54
D.2.6.1 Symbol................................................................................................................. D-54
D.2.6.2 Simple line ........................................................................................................... D-54