Koden Electronics RB714A Marine Radar RA40C User Manual 08

Koden Electronics Co., Ltd Marine Radar RA40C 08

08

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5.3 Basic Operations
xxx = keys to press
5.3.1 Powering On and Off
POWER Press "POWER"key to power on.
2 minutes timer and "RADAR OFF" are displayed.
Keep pressing "POWER" key to power off.
Press the "BRIL" key.
BRILL Control bar is indicated on the screen.
brilliance Up/Down Select brilliance.
Control knob Adjust brilliance with knob.
key backlight Up/Down Select key backlight.
Control knob Adjust key backlight with
knob.
ENT Press "ENT"key to return.
Radar turns into "ST'BY"mode when 2 minutes timer is finished and
"ST'BY" is displayed.
5.3.2 Transmitting
POWER Press "POWER" key to
operate, radar picture
appears on the screen.
Another press "POWER" key,
radar turns to stand-by
mode.
Keep pressing "POWER" key more than 3 seconds, radar
turns to power off.
RANG UP or Pressing "RANGE UP" key produces a long-distance range,
RANGE DOWN "RANGE DOWN" key a short-distance range.
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RADAR OFF
+
KEY BACK LIGHT 4
AT
D‚V‚T
D‚Q‚T
‚g‚t
+
SCREEN
POWER ON
START
CHANGE
RANGE
31
5.3.3 Adjusting brilliance of screen and key-backlight
xxx = keys to press
(1) Press the "BRILL" key. (Bar and figure indicating brightness, and figure indicating back-
light appears on the screen.)
(2) Select brilliance or key-backlight with the up-down cursor.
(3) Adjust each item with the control knob.
(4) When the adjustment is finished, press either the "BRILL" key or the "ENT" key to exit
from the adjustment screen. (Pressing some other key after adjustment will lead to the
function of the pressed key.)
BRIL → Control knob (Adjustment of brilliance) → BRIL or ENT
→ Up/Down (Adjustment of brightness, panel) → Other function key Shift to other functions
5.3.4 Changing Distance Range (RANGE UP, RANGE DOWN)
Pressing "RANGE UP" key produces a long-distance range, and "RANGE DOWN" key a
short-distance range.
••RADOME SCANNER (RA40C)
RANGE 0.125 •0.25 0.5 0.75 1.5 3 6 12 24
Number of
rings
222366666
Range ring
interval
0.062
5
0.125 0.25 0.25 0.25 0.5 1 2 4
RADOME SCANNER (RA41C)
RANGE 0.125 0.25 0.5 0.75 1.5 3 6 12 24 36
Number of rings2223666666
Range ring interval 0.0625 0.125 0.25 0.25 0.25 0.5 1 2 4 6
OPEN SCANNER (RA42C)
RANGE 0.125 0.25 0.5 0.75 1.5 3 6 12 24 48
Number of rings2223666666
Range ring interval 0.0625 0.125 0.25 0.25 0.25 0.5 1 2 4 8
5.3.5 Automatic adjustment (AUTO)
AUTO adjusts the GAIN, STC and FTC automatically.
If the "AUTO" key is pressed while GAIN, STC, or FTC are under manual settings, they
will all be switched to AUTO or HBR(Harbor) mode.
Pressing "AUTO" key, AT1, AT2 and HBR changes in turn. Pressing STC key, all
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BRILLIAMCE 50
ST’BY
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KEY BACKLIGNT 4
32
controls return to manual state.
AT1 Use when find navigation way in much echo such as port area, narrow channel,
small islands area. The control condition is similar to slightly down GAIN.
AT2 Use at open sea to suppress the sea clutter. The control condition is similar to
high GAIN.
HBR Use at in a bay area, inlet, or a harbor. The control condition becomes manual
STC by
using the value established HARBOR of ADJUST menu.
Note) Refer to "Setting STC circuit(STC)" in section 5.5.4.5.4(6).
Note) When you select HBR mode, FTC will be switched to MANU mode.
* What happens if GAIN, STC, and FTC keys are pressed during AUTO operation?
1) If GAIN key is pressed, Only GAIN enters a manual state.
2) If FTC key is pressed, Only FTC enters manual state.
3) If STC key is pressed, STC, GAIN, and FTC enter manual state.
5.3.6 Sensitivity adjustment (GAIN)
(1) When the "GAIN" key is pressed, the GAIN
display on the left side of the screen will be
reversed as
G 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 99, and the
sensitivity can be manually adjusted. When
the "AUTO" key is pressed, all (GAIN, STC and
FTC) will enter an AUTO state.
(3) After the adjustment is finished, press the
"GAIN" key to exit from the adjustment state. If
some other function key is pressed, shift to
that function will take place.
(a) To make adjustments by MANUAL (When the GAIN key is pressed under AUTO operation,
shift to a manual operation will take place.)
GAIN → Control knob → GAIN -------------------------The adjustment state is ended.
µθ
>Other function key •------Shift to other functions
µθ>AUTO µθ>AUTO ------------------------GAIN, STC, and FTC are set at AUTO and the
adjustment state is ended.
(b) To switch from the MANUAL state
AUTO -------------------------------------------------------------------------Set GAIN, STC and FTC at AUTO
5.3.7 Removing sea clutter (STC)
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(1) When the "STC" key is pressed, the STC display on the left side of the screen will be
reversed as S 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 99,
and the STC can be manually adjusted. When the "AUTO" key is pressed, all (GAIN,
STC and FTC) will enter an AUTO state.
(3) After the adjustment is finished, press the "STC" key to exit from the adjustment state.
If some other function key is pressed, shift to that function will take place.
(a) To make adjustments by MANUAL (When the STC key is pressed under AUTO operation,
shift to a manual operation will take place.)
STC → Control knob → STC ----------------------------The adjustment state is ended.
→Other function key •--------Shift to other functions
→ AUTO → AUTO --------------------------STC, GAIN, and FTC are set at AUTO and the
adjustment state is ended.
NOTE) When you select MANU mode, GAIN and FTC will be switched to MANU mode, too.
(b) To switch from the MANUAL state
AUTO -------------------------------------------------------------------------Set STC, GAIN and FTC at AUTO
5.3.8 Removing rain and snow clutter (FTC)
(1) When the "FTC" key is pressed, the FTC display
on the left side of the screen will be reversed as
F 500 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 99, and the
sensitivity can be manually adjusted. When
the "AUTO" key is pressed, all (GAIN, STC and
FTC) will enter an AUTO state.
(3) After the adjustment is finished, press the
"FTC" key to exit from the adjustment state. If
some other function key is pressed, shift to
that function will take place.
(a) To make adjustments by MANUAL (When the FTC key is pressed under AUTO operation,
shift to a manual operation will take place.)
FTC → Control knob → FTC -------------------------The adjustment state is ended.
µθ
>Other function key -------Shift to other functions
µθ>AUTO µθ>AUTO ------------------------GAIN, STC, and FTC are set at AUTO and the
adjustment state is ended.
(b) To switch from the MANUAL state
AUTO -------------------------------------------------------------------------Set GAIN, STC and FTC at AUTO
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5.3.9 Man Over Board (MOB)
Pressing the MOB key will send the own ship's position data to the external equipment
through NMEA port with "WPL" format. There is no change on the screen.
To check the MOB position data, select "MOB" from the "WINDOW" menu in the "SETUP".
The position of MOB and current position will be displayed on the screen. If press the "MOB"
key while watching the MOB screen, MOB data will be cleared and return to previous screen.
If press other keys, MOB data will be remained and return to previous screen.

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