JRC JHS-182 - Alarm; Guard Zone Alarm; Lost Target Alarm

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5-11

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5.2.3 Alarm

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5.2.3.1 Guard Zone Alarm

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When a ship enters within the guard zone range, the alarm status “GUARD” appears on the

display and an alarm buzzer beeps. Refer to “5.3.3 Setting Alarm.

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The ship within the guard zone range is displayed in reverse.

“G” is displayed at the left of the BRG on the line.

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To stop the alarm buzzer beeping, press CLR key, and then

return to the normal display.

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5.2.3.2 Lost Target Alarm

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When the information on a ship within the lost target range is not received for 6 minutes or more,

the alarm status display “LOST” appears and the alarm buzzer beeps. When not received for 6

minutes or more after the alarm, the ship eliminates from the list. To see the lost target range,

refer to “4.3.4 Setting Alarm.”

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The lost-target ship is displayed in reverse.

“L” is displayed at the left of the BRG on the line.

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To stop the alarm buzzer beeping, press CLR key, and then

return to the normal display, and then the lost-target ship is not

displayed.

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SORT:NORTH/RANGEUTC11:43

BRG:RNG NAME/MMSI

G270°:0.18NM｜OCEAN-LINE

35°:0.29NM

*22°:0.92NM

121°:4.85NM

52°:12.47NM

010°:99.99NM

111°:99.99NM

001°:99.99NM

000°:99.99NM

222°:99.99NM



QUEEN

ABCDEFG-HIJK>

498755431

AABBCCDD243

111111111

111111112

111111113

111111114

111111115

223°:99.99NM

224°:99.99NM

225°:99.99NM

226°:99.99NM

227°:99.99NM

▼

228°:99.99NM

111111116

111111117

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111111119

111111120

111111123

TOTAL:128CURSOR:1

GUARD