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© 2011 Garmin Ltd. or its subsidiaries
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®
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Manual Conventions .................. 1
Registering Your Device ............ 1
Contacting Garmin Product Support................................................................................................................. 1
Keys........................................... 2
Turning On and Turning Off the Device ............................................................................................................ 2
Conguring the Initial Device Settings .............................................................................................................. 2
Adjusting the Contrast ............... 2
Adjusting the Backlight .............. 2
Setting the Beeper ..................... 3
Turning On the Device Automatically ............................................................................................................... 3
Menu Timeout ............................ 3
Using Quick Adjust .................... 3
Sonar Screen............................. 4
Adjusting the Range of the Depth Scale........................................................................................................... 4
Adjusting the Zoom on the Sonar Screen Manually ......................................................................................... 4
Adjusting the Zoom on the Sonar Screen Automatically .................................................................................. 5
Pausing the Screen ................... 5
Resuming the Screen ................ 5
Setting the Gain Manually ......... 5
Setting the Gain to Auto............. 5
Setting the Shallow Water and Deep Water Alarms ......................................................................................... 5
Setting the Battery Voltage Alarm 6
Setting Fish Alarms.................... 6
Setting the Sonar Scroll Speed . 6
Selecting a Frequency for the echo 150 ........................................................................................................... 6
Conguring the Appearance of Suspended Targets ......................................................................................... 6
Specications ............................ 7
Viewing System Information ...... 7
Setting the Language ................ 7
Cleaning the Outer Casing ........ 7
Cleaning the Screen .................. 7
Software License Agreement..... 8