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68
GLOBALMAP 2000™
SONAR OPERATION
Notes:
1. Sonar operation requires the installation of an optional SAM Sonar
Access Module.
2. The sonar module’s frequency now shows at the bottom of the sonar
screen. (50 kHz or 192 kHz) This was a late change, so the illustrations
in this manual do not show the frequency on the sonar screens.
SONAR TABLE OF CONTENTS
SONAR OPERATION ................................................................................................. 69
SONAR KEY ....................................................................................................... 69
AUTOMATIC ....................................................................................................... 70
SENSITIVITY ...................................................................................................... 70
RANGE ............................................................................................................ 71
UPPER AND LOWER LIMITS .................................................................... 72
ZOOM ............................................................................................................ 73
AUTOMATIC ............................................................................................... 73
MANUAL ..................................................................................................... 74
ZOOM BAR ................................................................................................. 75
CHART STOP ..................................................................................................... 75
FISH I.D. ............................................................................................................ 75
FISHTRACK™ .................................................................................................... 76
FASTRACK™...................................................................................................... 77
GRAYLINE
®
..................................................................................................................................................................................
77
CHART SPEED................................................................................................... 78
SONAR ALARMS................................................................................................ 78
ASP ............................................................................................................ 81
SURFACE CLARITY CONTROL (SCC) ............................................................. 81
DIGITAL SONAR................................................................................................. 82
KEEL OFFSET .................................................................................................... 82
SONAR PRESET ................................................................................................ 83