真運動表示の開始 ·····························································································································61
真運動表示の解除 ·····························································································································62
1.レーダ航跡表示をする················································································································64
レーダ航跡表示の開始················································································································64
レーダ航跡表示の終了················································································································64
2.見張りアラームを使用する ········································································································64
ガードゾーンの設定····················································································································64
アラームモードの変更················································································································66
ガードゾーンの終了····················································································································66
ガードゾーンの呼び出し ············································································································66
アラーム感度の変更····················································································································66
3.4 その他便利な機能····························································································································67
3.4.1
自船速力を指示機に表示するには ·························································································67
3.4.2
船首方位を指示機に表示するには ·························································································67
3.4.3
を表示するには ························································································································68
位置情報の表示 ···························································································································68
位置情報の消去 ···························································································································68
3.4.4
目的地を表示するには············································································································69
目的地の表示·······························································································································69
目的地の消去·······························································································································69
3.5 知っておきたいこと························································································································70
3.5.1
電池(BT1)の交換 ················································································································70
3.5.2
使用中に不可解な現象が起きたとき ·····················································································71
3.6 外部航法装置について····················································································································72
3.6.1
方位情報を得るには················································································································72
3.6.2
速力情報を得るには················································································································72
3.6.3
位置情報を得るには················································································································72
3.6.4
目的値までの距離情報を得るには ·························································································73
第4章 画面の見方 ······································································· 74
4.1 物標の高さと物標までの距離·········································································································74
4.2 物標からの反射 ·······························································································································75
4.3 電波の伝搬路の状況························································································································75
4.3.1
海面反射···································································································································76
4.3.2
偽
像···································································································································76
5