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491 Echo Sounder Operations Manual Page 41
5Other Functions: Using the MORE key
Using the MORE key . . . . . . . . . . . . . . . . . . . . . . 5-42
Changing the advance speed . . . . . . . . . . . . . 5-42
Displaying the A-scope . . . . . . . . . . . . . . . . . . . 5-43
Setting the ECHO screen data . . . . . . . . . . . . . 5-44
Introducing snapshots . . . . . . . . . . . . . . . . . . . . 5-46
Setting up the video image overlay . . . . . . . 5-49
This chapter describes all of the functions of the MORE key,
except for the alarms, which are covered in Chapter 7.