Koden Electronics RB716A Marine Radar RA42C User Manual 09

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Document ID	111144
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Document Description	09
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Document Type	User Manual
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Date Submitted	2000-07-30 00:00:00
Date Available	2000-12-12 00:00:00
Creation Date	2000-07-31 07:43:53
Producing Software	Acrobat Distiller 4.0 for Windows
Document Lastmod	2000-07-31 07:43:55
Document Title	09

5.4 Functions of Soft Keys
xxx •keys to press
•Outline of soft keys
Any function can be optionally allocated to the key upon which numbers 1-7 are indicated. A
maximum of 4 groups of functions can be allocated to each soft key, and switching between
those functions is conducted by the "NEXT" key.
5.4.1 Bearing measurement (EBL1)
(a) Bearing measurement by EBL1
(1) When "EBL1" key is pressed, electric bearing line (EBL1) appears and the angle from the
direction of the ship’s head which is set at 0 °will appear in a reverse display at the lower left
of the screen(Note).
(2) Use the control knob to place the direction cursor on the target, and read the angle.
(3) After the setting
i) If "EBL1" key is pressed, the setting is completed.
ii) If "other function" key is pressed, the function will be shifted to that of the pressed key
with the setting condition still in effect.
note:
EBL1
→
Control knob

µθ>
xxx.x φ indicates EBL1.
→
EBL1
µθ>
Other function key EBL1 is displayed and the function is shifted.
EBL1 is displayed and the process is finished.
EBL1 is turned off.(b)
EBL1
(b) To turn off the EBL1
When the "EBL1" key is pressed twice, EBL1 disappears. (EBL1 OFF)
Note: Refer to "5.5.1.1 Bearing measurement (EBL1)".
5.4.2 Bearing measurement (EBL2)
The operation is the same as EBL1. Refer to the EBL1 operation. The "EBL2" will appear
in a reverse display at the lower right of the screen
5.4.3 Distance measurement (VRM1)
(a) Distance measurement by VRM1
(1) When "VRM1" key is pressed, variable range marker (VRM1) appears and the distance in
a reverse display appears at the lower left of the screen.
(2)
Place the marker on the front edge of the target with the control knob and read the
distance.
(3) After the setting
i) If "VRM1" key is pressed, the setting is completed.
ii) If "other function" key is pressed, the function will be shifted to that of the pressed key
with the setting condition still in effect.
note: 1
35
xxx.x NM indicates VRM1.
VRM1 →
Control knob

µθ>
→
VRM1
µθ>
Other function key VRM1 is displayed and the function is shifted.
VRM1 is displayed and the process is finished.
VRM1 is turned off.(b)
VRM1
(b) To turn off the VRM1
When the "VRM1" key is pressed twice, VRM1 disappears. (VRM1 OFF)
Note: Refer to "5.5.1.2 Determining the distance (VRM1)".
5.4.4 Distance measurement (VRM2)
The operation is the same as VRM1, refer to VRM1 operation. The "VRM2" will appear in
a reverse display at the lower right of the screen
5.4.5 Measuring the angle between two points (FL EBL2)
Note: VRM2 and EBL2 do not follow the OFF-C function while floating.
Note: Refer to "5.5.1.5 Measuring the distance or angle between two points ( FL EBL2, FL
VRM2 )".
(a) Setting a reference point for measurement of the angle.
(1) Press "FL EBL2" key. “SET START POINT” is displayed and a small cross mark appears.
FL EBL2 → FL EBL2 is turned ON and
(Select FL EBL2)
the small cross mark appears.
(2) Use the left-right and up-down cursor keys to place the small cross mark on one of the
two echoes whose angle will be measured, and press the "ENT" key.
Up/Down & Left/Right
→ ------ ENT
Criterion of the reference point is set.
(Place the cross cursor on an echo)
(b). Measuring
Perform the operations in the above mentioned and "measuring the angle(EBL2)", and
place the EBL2 on another echo.
EBL2 is displayed on the screen based on the placed fixed cross cursor.
" 2
xxx.x°" which is displayed at the lower right will be the angle between the two
points.
5.4.6 Measuring the distance between two points (FL VRM2)
Note: Refer to "5.5.1.5 Measuring the distance or angle between two points ( FL EBL2, FL
VRM2 )".
(a) Setting a reference point for measurement of the angle.
36
(1) Press "FL VRM2" key. “SET START POINT” is displayed and a small cross mark appears.
FL VRM2 → FL VRM2 is turned ON and
(Select FL VRM2)
the small cross mark appears.
(2) Use the left-right and up-down cursor keys to place the small cross mark on one of the
two echoes whose angle will be measured, and press the "ENT" key.
→ ------ ENT
Up/Down & Left/Right
Criterion of the reference point is set.
(Place the cross cursor on an echo)
(b) Measuring
Perform the operations in the above mentioned and "measuring the distance(VRM2)", and
place the VRM2 on another echo.
VRM2 is displayed on the screen based on the placed fixed cross cursor.
" 2 xx. xNM" which is displayed at the lower right will be the distance between the two
points.
5.4.7 Changing the group of Soft Keys (NEXT)
Any function can be optionally allocated to the key upon which numbers 1-7 are indicated.
A maximum of 4 groups of functions can be allocated to each soft key, and switching between
those functions is conducted by the "NEXT" key.
The "NEXT" key switches between allocated function groups on the soft key which numbers
1-7 are indicated.
NEXT
NEXT
NEXT
NEXT
Εϖερψ τιµε πρεσσινγ τηε ∀ΝΕΞΤ∀ κεψ, function groups changes to another groups included
pressing "NEXT" key. The function groups can also be changed at the "KEY ASSIGNMENT"
function in the "CUSTOM" menu of the "SETUP" with left-right cursor key.
Operation_
_Soft Key Setting Example_
SET1
SET2
SET3
SET4
EBL1
EBL2
RINGS
VRM1
VRM2
TUNE
PPI/3D 2
VAR RNG 3
FL EBL2
ST
PPI/PP 3
TRACK 4
FL
ZOOM
GZ
SLEEP
OFF-C
PICTURE 6
NEXT
NEXT
TARGE
SEL WIN 6
NEXT
37
PPI
PPI/NAV
ALL
ALL
NEXT
The function can be changed at the "KEY ASSIGNMENT" function in the
"CUSTOM" menu of the "SETUP".
38
5.4.8 Erasing heading maker temporarily (HDG OFF)
Press the “HDG OFF” key. The heading marker is not displayed as long as you hold it down.
5.4.9 Using parallel cursors (///CSR)
Press the “///CSR” key. Parallel cursors will appear on the screen. As you move EBL, the
parallel cursors also move.
To cancel the "///CSR" function, press "///CSR" key once more.
Note: Refer to "5.5.1.8 Using parallel cursors (///CSR)".
5.4.10 Establishment of the indication of the RANGE RINGS (RINGS)
Press the “RINGS” key. Range Rings will appear on the screen. To cancel the "RINGS"
function, press "RINGS" key once more.
Note: Refer to "5.5.1.9 Establishment of the indication of the RANGE RINGS (RINGS)".
5.4.11 ON/OFF of variable range function (VAR RNG)
Usually the range changes in steps as 0.5--0.75--1.5--3.0--....., but using this function will
enable a consecutive change such as 0.5--0.6--0.7--0.8--..... .
Press the “VAR RNG” key. The VAR RNG function becomes valid and VAR will be displayed
at the upper left of the screen (beside MODE). To cancel the "VAR RNG" function, press "VAR
RNG" key once more.
The range changes continuously with the up-down cursor while the VAR RNG function is
on, and it changes in steps with the "RANGE UP" or "RANGE DOWN" keys.
If pressing other keys, return to the normal state from continuously range change state.
5.4.12 Changing display modes (MODE)
(1) Select MODE from the pull-down display items using the up-down cursor keys, and press
the "ENT" key.
(2) When the HU/HS/NU/CU/TM sign is displayed beside the MODE item, select display mode
with the up-down cursor keys and press the "ENT" key.
(3) The setting will be completed when the "ENT" key is pressed after the selection. (NOTE1,2)
Press the "MODE" key, the display mode will change on every pressing to HU, HS, NU, CU,
TM in order. The mode select at the upper of the screen is indicated. However, a setting will be
needed for the ship’s speed if TM is selected. Also, a heading or a course information is
necessary for NU, CU and TM.
νοτε: ΤΜ ισ ϖαλιδ ονλψ ον ΠΠΙ σχρεεν. Τηε µοδε ωιλλ χηανγε το ΝΥ ον τηε οτηερ σχρεεν
αυτοµατιχαλλψ.
Note: Refer to "5.5.2.1 Changing display mode (MODE)".
5.4.13 Guard Zone (GZ)
39
A function that sets a guard zone of any distance and any angle range, creating alarm tone
when either echoes above a certain level exist (IN MODE) or no echoes exist(OUT MODE).
When GZ is operated with soft keys, guard zone settings and ON/OFF settings can be
conducted, but the mode (IN or OUT) is to be set in the menu.
Note: Refer to "5.5.2.2 Guard Zone (GZ)".
(1) When the "GZ" key is pressed, the present mode setting will be displayed on the left side of
the screen as GZ IN. A small cross cursor for setting the guard zone will be displayed at the
screen center while "SET CENTER POINT" is displayed at the bottom, activating a guard zone
setting state.
(2) Use the up-down/left-right cursor keys to move the cross cursor to the center of the warning
zone to be set, and press the "ENT" key.
(3) From the cross cursor position set in (2) above as the center, expand the guard zone in the
direction of the distance with the up cursor key and in the direction of the angle with the
right cursor key, thus making the form of a fan. To make the warning zone smaller, operate
the down cursor key (in the direction of the distance) and the left cursor key (in the direction
of the angle).
(4) After the setting the guard zone, finish by pressing the "ENT" key.
Press the GZ key twice to cancel the guard zone function.
GZ
→
ξ
µθ>
Up/Down & Left/Right
→
ENT
→
Up/Down & Left/Right →
ENT Setting completed
(Setting the center of GZ)
(Setting the scope of GZ)
GZ
-------------------------------------------------------------------------------------------------------- Canceling GZ
•Stop the alarm tone
Press the "MENU" key or "ENT" key during the alarm tone sounds, alarm tone will stop.
νοτε: Set the mode (IN or OUT) at the "GZ MODE" of the "PRESET2" function in the
"CUSTOM" menu of the "SETUP"
Set the alarm level (IN or OUT) at the "GZ LVL" of the "PRESET2" function in the
"CUSTOM" menu of the "SETUP"
5.4.14 Off Center (OFF-C)
Displaying the location specified by the cross cursor as the ship's location
Note: Refer to "5.5.2.3 Shifting display in specific direction (OFF-C)".
(1) When the "OFF-C" key is pressed, OFF-C is displayed at the upper right and "SET OFF
CENTER POINT" at the bottom of the screen, and setting is ready to be entered.
(2) Move the cross cursor with the cursor keys to move the ship to the intended location, and
press the "ENT" key. The ship's location will be displayed as the cursor's location. OFF-C is
displayed at the upper right , which indicates that the "OFF-C" state is entered.
(3) To cancel "OFF-C"•function, press the "OFF-C" key.
(a) To conduct the setting
40
OFF-C
→
Up/Down & Left/Right →
ENT ---------------- Conduct Off Center to exit the adjustment state.
Note: VRM2 and EBL2 do not follow the OFF-C function while floating.
The function operates on PPI screen only.
(b) To cancel the setting
OFF-C
---------------------------------------------------The "OFF-C" display at the upper right disappears and function
returns to the ordinary state from the Off Center state.
5.4.15 Setting of the SLEEP function(SLEEP)
This function sends a 30-second-transmissions during pre-fixed hours.
After
transmission, a power-saving mode is entered with the screen in ST'BY state (the scanner-OFF
state) and the LCD backlight turned off. This action is repeatedly executed.
Usage example, set a guard zone and have the warning signal automatically confirmed every
prefixed period.
Press the "SLEEP" key. Every pressing the key, "SLEEP" function will be set as 5-minutes,
10-minutes, 15-minutes, or off.
When a transmission is conducted after setting a SLEEP mode, a ST'BY state is entered
and the backlight turns off after a 30-second-transmission. (Power-saving mode). Two minutes
before the fixed time the backlight turns on and the 2-minute timer starts. Then, at the fixed
time another 30-second-transmission begins. This series of actions are repeated. If any one key
is pressed during the course of this action, the SLEEP function will be canceled.
Note: Refer to "5.5.2.4 Setting of the SLEEP function(SLEEP)".
(1) Setting procedure
SLEEP
→ (Select 5min.) → ENT
→
POWER ---→ 30-second-transmission every 5 min.
SLEEP
→ (Select 10min.) → ENT
→
POWER -- →30-second-transmission every 10 min.
SLEEP
→(Select 15min.) → ENT
→
POWER -- →30-second-transmission every 15 min.
SLEEP
→(Select OFF) --------------------------------------- SLEEP function is turned OFF
µ transmission ON
µ transmission ON
µ transmission ON
Setting completed
5.4.16 Tuning adjustment (TUNE)
(1) When the "TUNE" key is pressed, the TUNE display on the upper-right side of the
screen will be reversed as 35 and the adjustable state will be entered.
(2) When the control knob is turned, the figure will be shifted within a range of 0 and
41
99, and the receiver tuning can be manually adjusted.
(3) After the adjustment is finished, press the "ENT" key to exit from the adjustment
state. If some other function key is pressed, shift to that function will take place.
TUNE
→ Control knob
→ --------------- TUNE •or
ENT
The
adjustment
state is ended.
(tuning adjustment)
µ-> --------------- Other function key • Shift
to
other
functions
Note: Use the "MENU" to return auto-tuning state.
Note: Refer to "5.5.3.4 Adjusting receiver tuning (TUNE)".
5.4.17 Echo expansion (ST)
Expanding the echo to the direction of the distance.
When the "ST" key is pressed, "ST1" is displayed on the left side of the screen and the state
of echo expansion is entered. This changes the picture to display echoes expanding in the
direction of the distance. Two types of echo expansion exist, which are alternated as follows ,
every time this key is pressed.
Note: Refer to "5.5.3.5 Echo expansion (ST)".
ST1 → ST2 → OFF
•Expansion rate ST1 < ST2 •
Note: The "OFF" state is not displayed on the screen and the "ST2" display disappears.
5.4.18 Displaying locus of target (TRACK)
When the "TRACK" key is pressed, "TK 15SEC" is displayed on the left side of the screen and
track mode is entered. 15S indicates the length of the track, and displays a maximum of 15second-long sailing track.
Note: Refer to "5.5.3.6 Displaying locus of target (TRACK)".
Every time this key is pressed, the course length switches as follows.
15 sec → 30 sec → 1 min → 3 min → 6 min → CONT → OFF
Note: The "OFF" state will not displayed on the screen and the "TK xx " display will disappear.
5.4.19 Enlarging selected areas (ZOOM)
The video image centering around the cross cursor is doubled as it is displayed on the
screen.
Press the "ZOOM" key to "ZOOM" ON. A small cross cursor for setting and "SET ZOOM
POINT" are displayed at the screen center and at the bottom respectively, and the magnification
point is to be set. Use cursor keys to move the cross cursor to the point to be magnified, press
42
the "ENT" key and the setting is completed. The area around the cross cursor is displayed in 2x
magnification, with blinking "ZOOM" displayed at the screen upper right, indicating that a
ZOOM display is being conducted.
To cancel the ZOOM function, press the "ZOOM" key again or change the range scale.
Note: Refer to "5.5.3.7 Enlarging selected areas (ZOOM)".
ZOOM → Up/Down & Left/Right
→ ENT
-------------------- ZOOM setting
(Move cross cursor)
µθ> (Select OFF) → ZOOM
------------------ ZOOM canceled
Note1: VRM2 and EBL2 do not follow the ZOOM function during a floating state.
Note2: Normal screen returns when you change the range scale.
Note3: ZOOM function is unusable in 3D/PPI screen.
Note4: ZOOM function is unusable in OFF-C.
Note5: Center of ZOOM can be set any desired position within the set range.
5.4.20 Increasing sensitivity (S/L)
The pulse width is automatically changed as you change the range. However, if you want
to increase sensitivity, you can choose sensitivity from two pulse lengths. The short pulse
(SHORT) gives you sharp images with high distance resolution. The long pulse (LONG) provides
high sensitivity and shows targets in large size for easy identification although distance
resolution is reduced.
Press the "S/L" key to select the Pulse length(LONG or SHORT). The pulse length changes
L(Long) and S(Short) alternately.
Note: Refer to "5.5.3.8 Increasing sensitivity (S/L)".
S/L → (Select SHORT)
→ Set to short pulse
µθ> or (Select LONG)
→ Set to long pulse
5.4.21 Switching the screen (SEL WIN)
Switching to the desired screen for activation on a 2-screen display(PPI+PPI).
When change the range, or adjust the GAIN, STC, or FTC, or control the VRM, EBL, select the desired
screen first.
ex.) To be used for switching the range on the PPI+PPI screen.
When the "SEL WIN" key is pressed, the range of the selected screen will be displayed in
reverse, indicating that the screen is active.
Note: Refer to "5.5.4.2 Switching screens on PPI/PPI screen ( SEL WIN )".
SEL WIN
→ (Select right screen)
→
screen activated
43
Right
µθ>
or (Select left screen)
→
Left
screen activated
If VRM1 is controlled on the screen that is oposit from current VRM1 displayed screen,
VRM1 is moved and displayed to activated screen. The EBL1, EBL2, and VRM2 is the same
manner.
5.4.22 Changing the color of screen (PICTURE)
The LCD display is affected by weather and day / night environment conditions. In some
cases, you may find the LCD display is easier to view when the entire color of screen is changed.
Press the "PICTURE " key, a day display will appear if night display has been selected, and a
night display if day display selected.
Note: Refer to "5.5.4.3 Changing the color of screen (PICTURE)".
5.4.23 Change to PPI screen ( PPI )
Press the "PPI" key, the screen will change to PPI
screen.
Use to change the screen from other modes to PPI.
. 75
.25
HU
PPI screen
5.4.24 Change to SEMI3D/PPI screen ( SEMI3D )
Press the "SEMI3D" key, the screen will change to
SEMI3D/PPI screen.
Use to change the screen from other modes to
SEMI3D/PPI.
Note: All controls, such as EBLs, VRMs effects both screen.
The ZOOM, OFF-C, FL EBL2, and FL VRM2 could not
be used on this mode. The "SEMI3D" screen displays
the center as ship's heading always.
5.4.25 Change to PPI/PPI screen ( PPI/PPI )
44
.75 .25 HU S
280
320 000
040
SEMI3D/PPI screen
080
Press the "PPI/PPI" key, the screen will change to
PPI/PPI screen. Use to change the screen from other
modes to PPI/PPI.
.75 .25 HU S
Note:
(1) The radar picture is refreshed with two scanning
interval for each screen. Right screen picture is
holded during refreshing left screen, left screen
holded during refreshing right screen.
LEFT screen
RIGHT screen
24 6
55/35
35/AT
35/AT
PPI/PPI screen
→
/---------/********/---------/********/---------/******** time→
********/---------/********/---------/********/---------/
(2) The ZOOM, OFF-C, FL EBL2, and FL VRM2 could not be used on this mode.
(3) The range, GAIN, STC, FTC, GZ can be used independently for selected window with "SEL
WIN".
Selected window is that the range displayed in reverse character. Please refer to "SEL WIN".
(4) The cross cursor can be controlled on selected window.
5.4.26 Change to PPI/NAV screen ( PPI/NAV )
.75 .25 HU s
Press the "PPI/NAV" key, the screen will change to
NAV DISPLAY
WAY P 123.4°
PPI/NAV screen.
6.8
COURSE 2.38
Use to change the screen from other modes to
XTE
<<<<
HDG
267.3°T
PPI/NAV.
SPD
12.8
NM
NM
‚j
‚s
TEMP
20.8°
DEPTH 58.3
LAT/LON
34° 08. 22N
138° 02 .53E
Note:
The ZOOM, OFF-C, FL EBL2, and FL VRM2 can not be
used on this mode.
PPI/NAV screen
5.4.27 Change to ALL PPI screen ( ALL PPI )
Press the "ALL PPI" key, the screen will change to ALL
PPI screen.
Use to change the screen from other modes to ALL PPI.
.75
.25
HU
Note:
(1) The range, rings interval, display mode are displayed on
refreshing radar picture
the upper left of the screen.
(2) Return to PPI screen mode pressing a key except MENU,
range UP or DOWN, or POWER key.
5.4.28 Change to ALL PPI/PPI screen ( ALLholding
PPI2previous
picture
45
ALL PPI screen
Press the "ALL PPI2" key, the screen will change to
ALL PPI/PPI screen.
Use to change the screen from other modes to ALL
PPI/PPI.
.75 @
.25 HU S
.25
.125
Note:
(1) The range, rings interval, display mode are displayed
on the upper left of each screen.
(2) Return to PPI/PPI screen mode pressing a key except
MENU, range UP or DOWN, or POWER key.
ALL PPI/PPI screen
(3) The radar picture is refreshed with two scanning
interval for each screen. Right screen picture is holded during refreshing left screen, left
screen holded during refreshing right screen. When your ship navigates in high speed, use
PPI screen to get fast refreshing picture.
46

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