When part of the document needs to be revised, change the cover and the version of chapter in which
the revision occurs. And, keep a version of original chapter unchanged. The document No. is indicated
Revised Content
at the lower right side on the cover and at the left or right side of the footer region of each page.
Ban of Re-use/ Transcription
Unless the re-use/transcription of a document is permitted in written form of SI-TEX manufacturing
company, we prohibit the unauthorized transcription and re-use of any part of content in this manual.
Non-liability
The specification and engineering content described in this manual may be changed without notice.
SI-TEX manufacturing company is not liable for any human damage, or damage or trouble due to
misunderstanding of content described in this manual.
0093142132-00 i
Important Notices T-900 series
Important Notices
• The re-use and transcription of the Operation Manual (hereafter called this manual) requires
permission from SI-TEX.SI-TEX prohibits any un-authorized re-use and transcription.
• If this manual is lost or damaged, consult the dealer or SI-TEX.
• The specifications of our products and the content in the Operation Manual may be changed without
notice.
• In the explanations of this manual, the content displayed on the menu of the product may be
different. The keys and menus in the illustrations may differ in physical font and shape. And some
parts may be omitted.
•SI-TEX is not liable or responsible for damage or trouble due to misunderstanding of the content
described in this manual.
•SI-TEX is not liable or responsible for damage due to “acts of nature” such as earthquake, lightning,
fire actions by third parties, other accidents, customer’s unintended error/abuse or damage caused
by use under other abnormal conditions.
•SI-TEX is not liable for financial or loss (change/loss of memorized content, loss of business profit,
business failure) due to use or failure of our products.
•SI-TEX is not liable for any damage due to malfunction caused by the combination of software and
connected equipment which are not specifically approved.
ii 0093142132-00
T-900 series For Safe Operation
For Safe Operation
Symbol used in this Operation Manual
This Operation Manual uses the following symbols. Understand the meaning of each symbol and
implement the maintenance and inspections given.
Symbol Meaning
Warning mark
Handle correctly. Otherwise, it may lead to death or serious injury.
High Voltage Caution mark
Handle correctly. Otherwise, electrocution may occur, which could result in
death or serious injury.
Caution mark
Handle correctly. Otherwise, it may lead to light injury or damage to the
equipment.
Prohibit Mark
This mark indicates that the specific action is prohibited. The inhibited
action is displayed around the mark.
Cautions and Warnings on Equipment
Be careful of rotating aerial.
The radar may start to rate without notice. For safety, keep away from the
radar.
Be careful of high frequency interference
Strong electromagnetic wave is radiated from the antenna. If the
electromagnetic wave is continuously radiated, human bodies may be
affected. The international law defines that the electromagnetic wave of a
power density of below 100W/m2 does not affect human bodies.
However, a medical appliance such as pacer maker may become unstable
due to small amount of power of electromagnetic wave.
In any cases, a person wearing such appliance should not be allowed
access to a place where the electromagnetic wave is radiated,
0093142132-00 iii
For Safe Operation T-900 series
Distance from equipment having a specific power density of electromagnetic wave.
(By IEC 60945 regulation)
Model Transmitting power/ Antenna length 100W/m2 10W/m2
MDC-921 2kW/ 1.2 feet (Radome antenna)
MDC-941 4kW/ 2 feet (Radome antenna)
MDC-940
4kW/ 3 feet (Open antenna)
4kW/ 4 feet (Open antenna)
Be careful of a high voltage inside.
A lethal high voltage is used. This high voltage remains in the circuit after
you have turned off the power switch. To prevent touching the high voltage
circuit inadvertently, the protective cover is provided to the high voltage
circuit and the high voltage caution label is affixed. Be sure to turn off the
power switch for your safety and discharge the electricity remaining in the
capacitor before starting inspections. Only an engineer authorized by
SI-TEX should provides inspections and maintenance.
Be sure to turn off the power of the boat.
If the power switch is inadvertently turned on during work, lethal
electrocution could occur. To prevent such an accident from occurring, be
sure to turn off the power of the boat and the power of the equipment.
Furthermore, it is safer to hang a caution tag described as [Under Work]
near the power switch of the equipment.
Be careful of dust
Inhaling dust may cause a respiratory problem. When cleaning the inside of
the equipment, be careful not to inhale dust. Wearing a safety mask is
recommended.
0.4m 1.27m
0.8m 2.54m
0.9m 2.85m
1.01m 3.2m
Caution on location of equipment
Do not install the equipment where it is excessively damp and exposed to
water spray or dripping. The inside of the unit may be misted and the inside
may be corroded.
Preventing from static electricity
Static electricity may be generated from the carpet on the floor in the cabin
or clothes made of synthetic fiber. Static electricity can damage the
electronic parts in the circuit board. Be sure to take appropriate measures to
disseminate any static electricity from your body before handling the circuit
board.
iv 0093142132-00
T-900 series For Safe Operation
Cautions and Warnings on Handling
Do not disassemble or modify. Otherwise fire, smoking or electric shock could occur. In case of trouble,
contact your dealer or SI-TEX.
In case of smoking or fire, turn off the boat power and the power of this
unit. Otherwise, fire, electric shock or damage could occur.
The information displayed in this unit is not provided directly for your
navigation. For your navigation, be sure to see the specified material.
Use the specified fuse. If un-specified fuse is used, it may cause a fire,
smoking or damage.
Caution on Display Unit
Do not push or scrub the surface of the display unit with a pointed tip of a
hard matter (tool, tip of a pen, etc) Scars could be made.
Do not press the surface of the display unit. Interference stripes or display
abnormality could occurs.
0093142132-00 v
Contents T-900 series
Contents
Document Revision History ...................... i
Important Notices .....................................ii
For Safe Operation..................................iii
Introduction............................................ viii
System Configuration ..............................ix
Thank for your purchase of SI-TEX color LCD radarT-900 series.
The quality and endurance of a unit is well considered. For the best performance, read this Operation
Manual and operate a unit correctly and safely.
The main features of this unit are as follows.
• The high performance radar equipped with 8.4 inch display can be used for professional use.
• In the true trail function, as moving targets such as other ships are displayed being tailed and
stationary targets such as land are displayed being fixed, the moving targets and fixed targets can
be easily discriminated.
• Two screen images of different ranges can be displayed. If you set a near distance screen and a far
distance, you can navigate properly and grasp a situation.
• The automatic tracking function (ATA) is provided. The maximum 50 targets can be tracked. The
current motion of other ships can be grasped in a vector and numeral so that it helps your ship to
navigate safely. (Optional)
• By connecting the AIS receiver, the gathered information such as name, heading and speed of a
ship can be displayed. (Optional interface)
• With the adoption of a specific filter (AR coat), an image can be seen clearly, refusing sunshine. The
countermeasures against the reflection on the LCD screen and dew are provided.
• The RGB output for an external monitor is provided as standard equipment. The use of the external
monitor enables you to observe easily the radar screen at a location which is remote from a main
unit. (External monitor: Prepared by a customer)
• A video from a CCD camera can be displayed. The inside of a ship can be observed by a camera
installed at the engine room helps your ship navigate safely. (CCD camera: Prepared by a customer)
• With the adoption of the gain/STC rotary knob, the operability is enhanced.
• When flush-mounted, a unit can be installed or removed from the front of the unit.
viii 0093142132-00
T-900 series System Configuration
System Configuration
Connection Diagram
Antenna Unit
AIS receiver
Remote Display
MRD- XXX
RB714A/RB715A/RB716A
J5
POWER
J1
E
N
T
U
N
E
M
RANGE
J2J6
GAIN
TX
BRILL
Display Unit MRD-103
J3J4
Navigation EquipmentNavigation Equipment
10.8 31.2VDC
J7
CCD camera
External Monitor
External Buzzer
Be sure to connect the KGC-1 to J4.
: Standard product
: Optional product
: Product prepared by a user
0093142132-00 ix
Configuration of Equipment T-900 series
Configuration of Equipment
Standard Equipment Configuration List
No Name of item Type Remarks Weight/Length Quantity
1 Display unit
MRD-103 With mounting
bracket and knobs
3.7kg 1
2 Hard cover
3 DC power cable
4 Fuse
5 CCD camera cable
6 Antenna unit See next page. With cable 1
7 Operation Manual English 1
8 Quick Reference
E57MB11060 250g 1
CW-265-2M 2m 1
F-1065-8A
Cylinder (ø6.3x32)
CW-405-0.3M 30cm 1
English 1
Normal fusion type
for main power
1
Guide
x 0093142132-00
T-900 series Configuration of Equipment
Types of Antenna unit
No Type Transmitting
Power
1 RB714A
2 RB715A
2kW Radome With 10m cable* 6kg / 1.2ft
4kW Radome With 10m cable* 10kg / 2ft
Shape Remarks Antenna
Weight/Length
4kW Open With 10m cable*
* Cables of 20m and 30m are available. (Optional)
21kg / 3ft 3 RB716A
22kg / 4ft
Optional List
No Item Name Type Remarks Cable Length
1 GPS compass KGC-1 GPS/Heading
measuring
2 AIS interface AIS-110
3 Cable for AIS receiver CW-376-5M With 6-pin waterproof
connector and one
end plain.
4 ATA interface MRE-340
5 Cables for external
monitor/external buzzer
6 Cable for remote display CW-561-10M With 12-pin
7 Power rectifier PS-010 With two fuses (5A)
8 AC power cable VV-2D8-3M Both ends plain.
CW-576-0.5M With 10-pin
waterproof
connector/D-sub
(female)+ buzzer
terminal
waterproof
connectors at both
ends.
CW-373-5M With 6-pin waterproof
connectors at both
ends.
CW-376-5M With 6-pin waterproof
connector and one
end plain.
-
5m
0.5m
10m
5m 9 Cable for navigation cable
5m
0093142132-00 xi
Chapter 1 Basic Operation T-900 series
Chapter 1 Basic Operation
The basic operation of this unit is as follows. For detailed explanation, refer to each item in this manual.
1.
1. Press the [BRILL] to turn
on the power.
When [ST'BY] appears, press
2.
the [STBY/TX] key to start
the transmission.
1.3 Power On/Off
1.5 Transmission
E
N
T
U
N
E
M
RANGE
GAIN
STBY
TX
BRILL
5. Rotate the [STC] knob to adjust the sea surface reflection suppression effect.
The suppression effect becomes strong when rotating clockwise the knob and
becomes weak when rotating counterclockwise the knob.
・This function reduces the gain at a near distance. If you turn clockwise the knob
too much, desired objects may disappear. Adjust properly to meet the weather
condition.
Example of STC adjustment :
: The suppression
is too weak.
The reflection from sea
surface is displayed.
1.8 STC adjustment
: Optimum
suppression.
The desired objects
are displayed.
:Thesuppression
is too strong.
Some objects are
not displayed.
1-1 0093142132-00
T-900 series Chapter 1 Basic Operation
Change the observation range with the [- RANGE +] key.
3.
When pressing the [+] key, the observation range expands.
When pressing the [-] key, the enlarged surrounding around own ship can be observed.
To make it easier to observe the range you desire, change the range.
Example of display :
Long range : Far distanceMiddle range : Middle distance
Short range : Near distance
Objects at far distance
can be covered.
1.6 Switch-over of range
Adjust the gain by rotating the [GAIN] knob.
4.
The gain becomes high when rotating clockwise the knob and becomes low when rotating
counterclockwise the knob.
When the observation range is narrow or targets are crowded, reduce the gain so that
targets can be easily seen.
When the observation range is wide, if the gain is increased, it is effective.
But, due to noise increase, small targets become hard to be seen.
Objects near own ship
can be easily confirmed.
Example of gain adjustment:
: Too high gain
Noise is also displayed.Desired targets are
1.7 Gain adjustment
: Optimum gain: Too low gain
Some targets are not
displayed.
displayed.
0093142132-00 1-2
Chapter 1 Basic Operation T-900 series
1.1 How to read the radar screen
Off center
Pulse width
Range
Fixed marker interval
Display mode
Heading
Ship
speed
FTC
F2 key content
F1 key content
Interference
Rejection
Enhance
Alarm
Trail
IN
Crosshair
cursor
VRM
EBL
OWN ship's position
Cursor position
1-3 0093142132-00
T-900 series Chapter 1 Basic Operation
1.2 How to use the keys
(1)(2)
E
N
T
(3)
(4)
U
N
E
M
(5)
RANGE
GAIN
(6)
(7)
(8)
STBY
TX
BRILL
(9)
(10)
Various adjustment items can be set by operating each key.
The menu displayed by pressing the [MENU] key closes when pressing the [MENU] key again.
0093142132-00 1-4
Chapter 1 Basic Operation T-900 series
Number Key name Explanation
(1) [F1] Recalls directly the preset menu item.
(2) [ENT] Press: measures bearing of distance between two points.
Continuously pressing: Deletes the heading line. The crosshair cursor
moves to the own ship’s position.
The value in the menu is set. (Some of functions)
(3) CURSOR
[
], [ ]
[
], [ ]
Selects the menu item.
Changes the content of set value.
Moves the crosshair cursor.
(4) [F2] Recall directly the preset menu item.
(5) [MENU] Opens or closes the menu.
(6) [- RANGE+] Changes the range setup.
(7) [GAIN]* Rotate: Changes the gain.
Push: Changes the gain adjustment of sub-screen (lower screen of
PPI/PPI) and the range.
(8) [STC]* Rotate: Changes the STC.
Push: Display the video of a CCD camera.
When the video of a CCD camera is displayed, if you press it,
the size of video changes.
(9) [STBY/TX] Starts or stops the transmission.
(10) [BRILL]* Push: Adjusts the brilliance and the brightness of the panel.
Continuously pressing: Turns on or off the power.
* When pressed during the CCD camera video display, the display of the CCD camera video becomes
no display.
When the alarm is functioning, the alarm stops by operating any key.
The [BRILL] key is used for both the power on/off
and the change of brilliance of the LCD and
panel.
Power On
1 Press the [BRILL] key to turn on the power.
The start-up menu is displayed. During the
display of start-up menu, the memory is
automatically checked. If the check result is
correct, the radar image appears.
Power Off
1 When turning off the power, continuously
pressing the [BRILL] key for 3 seconds.
A time required to shut down the power is
displayed on the screen.
Language Selection at Initial Start-up
When turning on the power for the first time after
[ALL RESET], the [LANGUAGE] menu appears.
2 Press the [ ] and [ ] keys.
“1” is darkest. “10” is brightest.
LCD BRILL
10
3 Press the [MENU] key or [ENT] key to close
the menu.
Brightness Adjustment of Panel
The panel brightness can be adjusted,
Setup: (1 to 10) (Initial value: 10)
1 Press the [BRILL] key briefly.
When [LCD BRILL] appears, press the
[BRILL] key again.
2 Select the level with the [ ] and [ ] keys.
“1” is darkest. “10” is brightest.
PANEL BRILL
10
3 Press the [MENU] key or [ENT] key to close
the menu.
1 Select the language with [ ] and [ ] keys.
When the [
of [LANGUAGE] menu, the menu returns to
the initial setup menu.
] key is pressed during display
2 Press the [MENU] key to set the language.
1.4Brilliance Adjustment
Brightness Adjustment of LCD
The brilliance of menu can be adjusted to make it
easier to see.
Setup: (1 to 10) (Initial value: 10)
1 Press the [BRILL] key briefly.
1.5Transmission
Start of Transmission
In the 「STBY」 state, when the [STBY/TX] key is
pressed, the unit starts the transmission.
After turning on the power, remaining time of
pre-heat is displayed in the center of the screen.
After 120 seconds, ST’BY appears in the center
of the screen and the unit becomes 「STBY」
state.
Stop of Transmission
In the 「TX」 state, when the [STBY/TX] key is
pressed, the unit stops the transmission and
returns to the 「STBY」 mode.
0093142132-00 1-6
Chapter 1 Basic Operation T-900 series
1.6 Switch-over of Range
The observation range can be changed.
Change of Range
1 Press the [- RANGE +] key.
When pressing the [+] key, an image shrinks
but the observation range expands.
When pressing the [-] key, the observation
range becomes narrow but the enlarged
surroundings around own ship can be seen.
The value of the range is displayed at the
upper left side of the screen.
Change of Sub-screen Range
Change the range of the lower screen
(sub-screen) of the PPI/PPI menu.
For the PPI/PPI screen, refer to 2.4 Display
Select.
1 Press the [GAIN] knob.
When the [SUB-SCREEN GAIN] appears,
press the [GAIN] knob again.
Result picture after adjustment by [GAIN] knob
Land
Own ship
<Picture of too low gain>
Land
Own ship
<Picture of adjusted gain>
Land
Own ship
2 Change the range of the sub-screen range
with the [
0.75
] and [ ] keys.
3 Press the [MENU] key or [ENT] key to close
the menu.
1.7 Gain Adjustment
Adjust the gain according to the distance range
and reflection from the sea surface/rain/snow to
observe easily an image.
Gain Adjustment
1 When rotating clockwise the [GAIN] knob,
the gain increases.
When rotating counterclockwise the [GAIN]
knob, the gain decreases.
• When the short distance or targets are
crowded, if the gain is reduced, the image can
be easily seen.
• When the long distance, if the gain is
increased, it is effective but due to increase of
noise, the image becomes hard to be seen.
<Picture of too much gain>
In the PPI/PPI menu, the gain of the upper
screen (main screen) changes when the [GAIN]
knob is adjusted.
Adjustment of Sub-screen Gain
Adjust the lower screen (sub-screen) in the
PPI/PPI menu.
For the PPI/PPI screen, refer to 2.4 Display
Select.
1 Press the [GAIN] knob.
When the [SUB-SCREEN RANGE] appears,
press the [GAIN] knob again.
2 Adjust the sub-screen gain again with the
[
] and [ ] keys.
The gain increases when increasing the
numeral and decreases when decreasing the
numeral.
In the short distance menu, even if waves are
low and the sea surface is calm, an echo
reflected from the sea surface appears in the
image.
When waves become high, the sea surface
reflected echo covers around the center of the
image and make it harder to see targets.
Adjust the STC to suppress the reflection from
the sea surface so that the image becomes
visible easily.
STC Adjustment
1 When rotating clockwise the [STC] knob, the
reflection suppressing effect becomes
stronger.
• When not influenced by waves, rotate fully
counterclockwise the [STC] knob.
• This function reduces the gain at short
distance. If rotating clockwise the [STC] knob
too much, desired targets disappear.
Picture after adjustment with [STC] knob
Land
In the PPI/PPI menu, when rotating the [STC]
knob, the STC functions effective in both
displays.
1.9 Use of [F1] and [F2] keys
The following functions can be assigned to the
[F1] and [F2] keys.
• [FTC]
• [MODE]
• [DISPLAY SELECT]
• [OFF CENTER]
• [ENHANCE]
• [TRAIL TIME]
• [EBL]
• [VRM]
• [PI]
• [ALARM MODE]
• [COLOR]
• [MAN ACQ]
• [DELETE]
• [POB]
• [TARGET]
• [OTHER SHIP]
Refer to the F1/F2 keys set in 3.5 Preset.
<Picture with sea clutter>
<Picture of adjusted STC>
<Picture of too much STC>
Own ship
Land
Own ship
Land
Own ship
[The assigned function is displayed at the upper
right side of the screen.
How to use [F1] and [F2] keys
When pressing the [F1] / [F2] key, the assigned
function works.
Function Operation
FTC
Display Mode
Display Select
Off Center
Enhance
Trail Time
When pressing the [F1] / [F2] key, the
setup of FTC changes.
When pressing the [F1] / [F2] key, the
display mode changes.
When pressing the [F1] / [F2] key, the
display changes.
After pressing the [F1] / [F2] key, if []
or [
] key is pressed, the ON/OFF
setup of the OFF CENTER changes.
After pressing the [
selected and moving the crosshair
cursor, if the [ENT] key is pressed, the
position of crosshair cursor is set as a
position of own ship.
When pressing the [F1] / [F2] key, the
setup of ENHANCE changes.
When pressing the [F1] / [F2] key, the
trail time changes.
] key with ON
0093142132-00 1-8
Chapter 1 Basic Operation T-900 series
EBL
VRM
Screen Color
PI (Parallel
Index Line)
Alarm Mode
Manual
Acquire*
Delete*
POB***
Target***
Other Ship
Information**
The On/Off display of EBL is toggled
by pressing the [F1] / [F2] key.
Operate the EBL during display with
the [
] and [ ] keys.
The On/Off display of VRM is toggled
by pressing the [F1] / [F2] key.
Operate the VRM during display with
the [
] and [ ] keys.
When pressing the [F1] / [F2] key, the
display color changes.
After pressing the [F1] / [F2] key, the
display of parallel cursor changes to
the one side/both sides/OFF.
After pressing the [
side/both sides, change the interval
with the [
bearing with [
After pressing the [F1] / [F2] key, if the
[
] or [ ] key is pressed, the alarm
mode changes to the IN/OUT/OFF.
When selecting the In/Out, if the [
key is pressed, the mode enters in the
alarm range set state.
When pressing the [F1] / [F2] key, a
target aligned with the crosshair cursor
is acquired.
In case of selecting [NUMBER] in the
menu, if the [F1] / [F2] key is pressed, the
numeral selection menu appears.
Select the number of the desired capture
to be released with [
press the [ENT] key to set it.
In case of selecting [CURSOR] in the
menu, if the [F1] / [F2] key is pressed, the
capture of a target aligned with the
crosshair cursor is released.
The position of own ship at the
moment when the [F1] / [F2] key is
pressed is stored as a POB position. In
the state that the POB position is
stored, if the [
after pressing the [F1] / [F2] key, the
setup of renewal/release of the POB
position can be changed.
The renewal or release of the PO
position can be performed with the
[ENT] key.
The position of own ship at the
moment when pressing the [F1] / [F2]
key is outputted to the external
terminal with the TLL sentence.
When pressing the [F1] / [F2] key, the
information of a target aligned with the
crosshair cursor is displayed in the
window.
] / [ ] keys and then the
] key to the one
] / [ ] keys.
]
] / [] keys and
] or [ ] key is pressed
B
* The ATA interface (optional) is required.
** The AIS interface / cable (optional) or ATA
interface (optional) is required.
*** Inputting the latitude and longitude data is
required.
1.10 Delete of Heading Line
When a heading line overlaps over targets and it
is hard to see targets, the heading line can be
deleted.
Delete of Heading Line
1 When keep pressing the [ENT] key, the
heading line disappears. While pressing the
[ENT] key, heading line can be deleted.
Caution
For safety, it is not allowed that the
heading line remains deleted.
2 When releasing the [ENT] key, the heading
line appears again. At this moment, the
crosshair moves to the own ship’s position.
1.11 Use of Crosshair
Cursor
The crosshair cursor can move freely on the
radar screen. According to moving of the cursor,
the cursor position, distance and bearing from
own ship are displayed.
1 Press any of [ ], [ ], [ ] and [ ].
The crosshair cursor moves and the cursor
information is displayed.
1.12 Measuring the
distance and bearing
between two points
The distance and bearing between two points,
you desire, can be measured, using the
crosshair cursor.
Measuring the distance and bearing
between two points
Move the crosshair cursor to one point
1
desired with the [
2 Press the [ENT] key to set it as an origin.
3 When moving the crosshair cursor with the
[
], [ ], [ ] and [ ] keys, the distance and
bearing from the origin to the position of the
crosshair cursor are displayed.
4 When pressing the [MENU] key, the 2-point
calculation is finished.
], [ ], [ ] and [ ] keys.
origin
How to display the video of a CCD
camera
1 Press the [STC] knob.
The video of a CCD camera appears.
A split-screen display and a full screen
display are toggled by pressing the [STC]
knob.
2 When pressing the [ ] or [ ] key in the state
that a video of the CCD camera is displayed,
the display position of the video of the
camera video can be corrected.
3 When displaying the video of the CCD
camera, if a key other than the [
keys is pressed, the video of the CCD
camera disappears.
When displaying the video of a CCD
camera, the display area of the radar
Caution
image is narrowed.
When set to [Full Screen Display], the
radar image is completely concealed.
When displaying the video of a CCD
camera, pay attention to the display
area.
] and [ ]
crosshair cursor
35°24.334N
139°
0.903NM
45.831E
152.1°
cursor position
Bearing of the crosshair cursor
when viewed from the origin
Distance between the origin
and the crosshair cursor
1.13 Camera Display
The video of a CCD camera can be displayed on
the radar screen. (CCD camera: Prepared by a
customer)
How to connect a CCD camera
1
Connect the supplied cable (CW-405-0.3M)
to the rear connector (J7).
When installing a CCD camera, orient
Caution
it correctly. When correctly installed,
the 90 degree-shifted video of a CCD
camera is displayed. Install a CCD
camera in a correct orientation so that
the video in a correct direction is
displayed.
2 Connect a commercially available CCD
camera to the cable.
0093142132-00 1-10
Chapter 2 How to use the menu T-900 series
Chapter 2 How to use the menu
2.1 How to operate the
menu
Display/Non-display of Menu
1 Press the [MENU] key.
The displays of the menu and the
explanation of operation are displayed.
Setting item column
OFF
H UP RM
PPI
OFF
OFF
OFF
RESO-P PRL
ECHO
TRAILS
DISPLAY
ALARM
AIS
ATA
NEXT
Menu column
Cursor
FTC
MODE
DISPLAY SELECT
OFF CENTER
ENHANCE
PROCESS
PULSE
When [Operation Guide] is set to ON,
the explanation of operation appears.
See 3.2 Setting of Assist Items.
2 Press the [ ] key.
The displays of the menu and the
explanation of operation close.
3 Select an item you desire to change with the
[
] and [ ] keys.
ECHO
TRAILS
DISPLAY
ALARM
AIS
ATA
NEXT
TRAIL MODE
TRAIL TIME
TRAIL SHAPE
TRAIL LEVEL
REL
3MIN
STANDARD
7
4 Press the [ ] key.
According to the selected item, the setup
menu appears.
TRAIL MODE
REL
TRUE
FIELD OF ANGLE
5.0
GUIDE
2 Press the [MENU] key, the display of the
menu and the explanation of operation
close.
Operation of Menu
1
When the menu is displayed, select a menu
name with the [
According to the selected menu, contents in
the setup items at the right side change.
ECHO
TRAILS
DISPLAY
ALARM
AIS
ATA
NEXT
TRAIL MODE
TRAIL TIME
TRAIL SHAPE
TRAIL LEVEL
] and [ ] keys.
OFF
3MIN
STANDARD
7
PI NUMBER
7
1 ~ 7
5 Change contents of setup with the [ ] and
[
] keys.
6 Press the [ ] key. Then, the cursor returns
to the setup item column.
7 To select another menu name, press the [ ]
key.
The cursor returns to the menu column.
8 Press the [MENU] key to close the menu.
Caution
Unless the AIS interface is equipped,
you cannot operate the AIS menu.
Unless the ATA interface is equipped,
you cannot operate the ATA menu.
0093142132-00 2-1
T-900 series Chapter 2 How to use the menu
2.2 FTC Adjustment
When raining or snowing, due to reflection from
rain or snow, an object is hard to be seen.
By increasing the set value of FTC, the contour
of an object, which was concealed by an image
of rain or snow, appears. But, you may miss a
small object. (Normally, set the FTC to OFF.)
Setup: OFF, 1 to 8 (Initial value: OFF)
Result picture after adjustment by FTC
Land
Own ship
<Picture with rain clutter>
Land
Own ship
2.3 Setting of Display Mode
In the display mode, the bearing and the target
motion are displayed in combination.
Setup: H UP RM, N UP RM, N UP TM, C UP RM,
C UP TM, WPT UP RM (Initial value: H UP RM)
1 Press the [MENU] key.
2 Select [ECHO] → [MODE].
3 Change the setting of [MODE] with the [ ]
and [
4 Press the [MENU] key to close the menu.
Four bearing displays of [H UP], [N UP], [C UP]
and [WPT UP] are provided.
[NUP] and [SUP] can be swapped.
Refer to [N UP/S UP] in 3.2 Setting of Assist
• Entering the bearing data for C UP, N UP
「RM」 is required.
• Entering the bearing, speed and
latitude/longitude data for C UP, N UP 「TM」
is required.
] keys.
Items.
Two types of display method 「RM」 and
「TM」 are provided for the motion display.
<Picture with rain reflex suppressed>
1 Press the [MENU] key.
2 Select [ECHO] → [FTC].
3 Change the setup of [FTC] with the [ ] and
[
] keys.
FTC
1
4 Press the [MENU] key to close the menu.
• Entering the WPT data for WPT UP is
required.
Your ship heading is assumed 45°in the following
description of each mode.
H UP (Head Up)
The H UP is the display mode to orient the
heading to the top of the screen.
In this mode, the heading is used as a reference
and the screen image, which is similar to the
visibility when navigating your ship, can be seen.
Therefore, this mode is suitable for watching
targets.
NORTH
HDG
Target 1
Own ship
Land
Target 2
0093142132-00
2-2
Chapter 2 How to use the menu T-900 series
N UP (North Up)
The N UP is the display mode to orient the true
north to the top of the screen.
Due to the true north oriented display, the screen
image can be easily compared with a chart with a
north oriented representation.
NORTH
Target 1
HDG
Own ship
Target 2
Land
When selecting the S UP (South Up), the true
south is oriented to the top of the screen.
C UP (Course Up)
The C UP is the display mode in which the
heading becomes the set course instantly when
[C UP] is selected and the set course is oriented
to the top of the screen.
When navigating your ship along the planned
course, use this mode. If your ship is off the
planned course, it visually shows the deviation
from the planned course.
NORTH
Target 1
045
0
0
0
HDG set as
the course
WPT UP (Waypoint Up)
The WPT is the display mode to always orient
the WPT to the top of the screen.
When this mode is used in combination with the
course up function of the plotter, the
understandable image is available.
WPT BRG
NORTH
Target 1
Own ship
Land
045
0
0
0
HDG
Target 2
Relative Motion (RM) and True Motion (TM)
The relative (RM) motion mode indicates
motions of surrounding targets while fixing your
ship’s position at the center of the display.
As the own ship’s position is placed at the center
of the display, the fixed targets such as the land
move on the screen when the ship navigates.
The true (TM) motion indicates the motion of
targets with respect to the specified bearing.
Fixed targets, which do not move in any
directions, stay on the screen, and all moving
targets move on the screen.
No true motion [TM] is provided for [H UP] mode
as the constantly moving heading is used as a
reference. The true motion [TM] is also not
provided for [WPT UP] which uses the specified
course as a reference.
Own ship
Land
NORTH
Target 1
Own ship
Land
0093142132-00 2-3
Specified Course
045
0
0
0
Target 2
HDG
Target 2
No true motion [TM] is provided for
Caution
[H UP] mode as the constantly moving
heading is used as a reference.
The true motion [TM] is also not
provided for [WPT UP] which uses the
specified course as a reference.
Caution
In [TM] mode, entering the data of the
bearing, speed and latitude/longitude
is required.
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