Koden Electronics RB716A Marine Radar RA42C User Manual 08

Koden Electronics Co., Ltd Marine Radar RA42C 08

08

305.3 Basic Operations xxx = keys to press5.3.1 Powering On and OffPOWER 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 TransmittingPOWER Press "POWER" key tooperate, radar pictureappears on the screen.Another press "POWER" key,radar turns to stand-bymode.Keep pressing "POWER" key more than 3 seconds, radarturns to power off.RANG UP or Pressing "RANGE UP" key produces a long-distance range,RANGE DOWN "RANGE DOWN" key a short-distance range. .75 .25 HU BRILLIANCE 50 1:58 RADAR OFF + KEY BACK LIGHT 4 AT D‚V‚T D‚Q‚T ‚g‚t + SCREENPOWER ONSTARTCHANGERANGE
315.3.3 Adjusting brilliance of screen and key-backlightxxx = 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 exitfrom the adjustment screen. (Pressing some other key after adjustment will lead to thefunction 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 functions5.3.4 Changing Distance Range (RANGE UP, RANGE DOWN)Pressing "RANGE UP" key produces a long-distance range, and "RANGE DOWN" key ashort-distance range.••RADOME SCANNER (RA40C)RANGE 0.125 •0.25 0.5 0.75 1.5 3 6 12 24Number ofrings222366666Range ringinterval0.06250.125 0.25 0.25 0.25 0.5 1 2 4RADOME SCANNER (RA41C)RANGE 0.125 0.25 0.5 0.75 1.5 3 6 12 24 36Number of rings2223666666Range ring interval 0.0625 0.125 0.25 0.25 0.25 0.5 1 2 4 6OPEN SCANNER (RA42C)RANGE 0.125 0.25 0.5 0.75 1.5 3 6 12 24 48Number of rings2223666666Range ring interval 0.0625 0.125 0.25 0.25 0.25 0.5 1 2 4 85.3.5 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, theywill all be switched to AUTO or HBR(Harbor) mode.Pressing "AUTO" key, AT1, AT2 and HBR changes in turn. Pressing STC key, all. 75. 25HUBRILLIAMCE 50ST’BY+KEY BACKLIGNT 4
32controls 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 tohigh GAIN.HBR Use at in a bay area, inlet, or a harbor. The control condition becomes manualSTC 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 GAINdisplay on the left side of the screen will bereversed as G 35 and the adjustable state will be entered.(2) When the control knob is turned, the figure willbe shifted within a range of 0 and 99, and thesensitivity can be manually adjusted. Whenthe "AUTO" key is pressed, all (GAIN, STC andFTC) will enter an AUTO state.(3) After the adjustment is finished, press the"GAIN" key to exit from the adjustment state. Ifsome other function key is pressed, shift tothat 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 functionsµθ>AUTO µθ>AUTO ------------------------GAIN, STC, and FTC are set at AUTO and theadjustment state is ended.(b) To switch from the MANUAL stateAUTO -------------------------------------------------------------------------Set GAIN, STC and FTC at AUTO5.3.7 Removing sea clutter (STC). 75.25HUG 50 ST’BY+
33(1) When the "STC" key is pressed, the STC display on the left side of the screen will bereversed 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 theadjustment 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 stateAUTO -------------------------------------------------------------------------Set STC, GAIN and FTC at AUTO5.3.8 Removing rain and snow clutter (FTC)(1) When the "FTC" key is pressed, the FTC displayon the left side of the screen will be reversed asF 500 and the adjustable state will be entered.(2) When the control knob is turned, the figure willbe shifted within a range of 0 and 99, and thesensitivity can be manually adjusted. Whenthe "AUTO" key is pressed, all (GAIN, STC andFTC) will enter an AUTO state.(3) After the adjustment is finished, press the"FTC" key to exit from the adjustment state. Ifsome other function key is pressed, shift tothat 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 functionsµθ>AUTO µθ>AUTO ------------------------GAIN, STC, and FTC are set at AUTO and theadjustment state is ended.(b) To switch from the MANUAL stateAUTO -------------------------------------------------------------------------Set GAIN, STC and FTC at AUTO. 75.25HUF 50 ST’BY+
345.3.9 Man Over Board (MOB)Pressing the MOB key will send the own ship's position data to the external equipmentthrough 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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