Furuno 1953C-BB, FURUNO MARINE RADAR, 1943C-BB, 1933C-BB, 1823C-BB, 1833C-BB Video Sounder Operation

3.11 Alarms	3-52
3.11.1 Audio alarm on/off	3-52
3.11.2 Arrival alarm	3-53
3.11.3 Anchor watch alarm	3-54
3.11.4 XTE (Cross-Track Error) alarm	3-55
3.11.5 Speed alarm	3-55
3.11.6 Proximity alarm	3-56
3.11.7 Trip alarm	3-57
3.11.8 Alarm information	3-58
3.12 Resetting Trip Distance	3-60

4. VIDEO SOUNDER OPERATION		4-1
4.1	Principle of Operation	4-1
4.2	Sounder Displays	4-2
	4.2.1 Selecting a sounder display	4-2
	4.2.2 Description of sounder displays	4-3
	4.2.3 Selecting screen split method in combination displays	4-8
4.3 Automatic Sounder Operation		4-9
	4.3.1 How the automatic sounder works	4-9
	4.3.2 Types of automatic sounder modes	4-9
	4.3.3 How to enable automatic sounder operation	4-9
4.4	Manual Sounder Operation	4-10
	4.4.1 Selecting the manual mode	4-10
	4.4.2 Selecting display range	4-10
	4.4.3 Adjusting the gain	4-10
	4.4.4 Shifting the range	4-11
4.5	Measuring Depth, Time	4-12
4.6	Reducing Interference	4-13
4.7	Reducing Low Level Noise	4-14
4.8	Erasing Weak Echoes	4-15
4.9 White Marker		4-16
4.10 Picture Advance Speed		4-17
	4.10.1 Advancement independent of ship’s speed	4-17
	4.10.2 Advancement synchronized with ship’s speed	4-18
4.11 Display Colors		4-19
4.12 Alarms		4-20
	4.12.1 Audio alarm on/off	4-20
	4.12.2 Bottom alarm	4-21
	4.12.3 Fish alarm	4-21
	4.12.4 Fish alarm (B/L)	4-22
	4.12.5 Water temperature alarm	4-23
	4.12.6 When an alarm setting is violated	4-24
4.13 Water Temperature Graph		4-25
4.14 Changing Pulse Repetition Rate		4-26

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