User manual HUMMINBIRD 757C COMBO

[. . . ] 531528-1_A - 757c_787c2_&_787c2i_Man_Eng. qxp 10/16/2006 10:41 AM Page 1 757c, 787c2 and 787c2i GPS Chartplotter Operations Manual 531528-1_A 531528-1_A - 757c_787c2_&_787c2i_Man_Eng. qxp 10/16/2006 10:41 AM Page 2 Thank You! Thank you for choosing Humminbird®, America's #1 name in fishfinders. Humminbird® has built its reputation by designing and manufacturing topquality, thoroughly reliable marine equipment. Your Humminbird® is designed for trouble-free use in even the harshest marine environment. In the unlikely event that your Humminbird® does require repairs, we offer an exclusive Service Policy - free of charge during the first year after purchase, and available at a reasonable rate after the one-year period. [. . . ] On the Snapshot and Recording View, use the UP and DOWN 4-Way Cursor keys to highlight the recording you want to delete. Highlight Delete Recording on the Snapshot and Recording X-PressTM menu. Select Yes to delete the recording or No to cancel the operation. Delete All Recordings (optional-purchase MMC/SD Card, Snapshot and Recording View only) Delete All Recordings allows you to delete all the recordings at once from the Snapshot and Recording View. This menu option is only available when you have an optional-purchase MMC/SD card installed and you are in Snapshot and Recording view. From the Snapshot and Recording View, highlight Delete All Recordings on the Snapshot and Recording X-PressTM Menu. A confirmation dialog box will ask if you want to delete all recordings. Select Yes to delete, or No to change your mind. 81 531528-1_A - 757c_787c2_&_787c2i_Man_Eng. qxp 10/16/2006 10:43 AM Page 91 Pings Per Second (optional-purchase MMC/SD Card, Snapshot and Recording View only) Pings Per Second allows you to specify the maximum ping rate for the sonar recording currently in progress from the Snapshot and Recording View. This menu option is only available when you have an optional-purchase MMC/SD card installed and you are in Snapshot and Recording View and are actively recording (not playing back). Highlight Pings Per Second on the Snapshot and Recording X-PressTM menu, and press the RIGHT 4-Way Cursor key to increase and decrease the number in the menu bar. (1-AUTO, Default = AUTO) Playback Speed (optional-purchase MMC/SD Card, Snapshot and Recording View only) Playback Speed allows you to specify the playback speed for a sonar recording from the Snapshot and Recording View. This menu option is only available when you have an optional-purchase MMC/SD card installed and you are playing back a recording. Highlight Playback Speed on the Snapshot and Recording X-PressTM menu, and press the LEFT or RIGHT 4-Way Cursor key to display the following Playback Speed submenu choices (which are represented by icons): Beginning, Rewind2, Rewind, Reverse Normal, Reverse Slow, Pause, Slow Play, Normal Play, FF, FF2, End. NOTE: You can also change playback speed in the Snapshot and Recording View using the Left and Right 4-Way Cursor keys, although you cannot skip to the beginning or end of a recording using these keys. NOTE: Sonar chart speed is increased during Fast Forward and reversed during Rewind. This may result in a reduced quality sonar image, since at higher speeds, not every sonar return can be processed. 82 531528-1_A - 757c_787c2_&_787c2i_Man_Eng. qxp 10/16/2006 10:43 AM Page 92 Stop Playback (optional-purchase MMC/SD Card only) Stop Playback allows you to stop playback of a sonar recording from any view. This menu option is only available when you have an optional-purchase MMC/SD card installed and you are playing back a recording. Press the RIGHT 4-Way Cursor key to initiate this procedure. To start playback, use the 4-Way Cursor keys to highlight a recording icon, then press the RIGHT 4-Way Cursor key to start playback (represented by a green "play" triangle which appears to the right of the recording icon). NOTE: During playback, the amount of time/memory left to play is indicated by the status bar. For more information, see Snapshot and Recording View. 83 531528-1_A - 757c_787c2_&_787c2i_Man_Eng. qxp 10/16/2006 10:43 AM Page 93 Sonar Menu Tab Press the MENU key twice to access the Main Menu System and then press the RIGHT Cursor key to select the Sonar tab. NOTE: Menu choices will vary depending on system settings such as whether the unit is set for Advanced User mode or what transducer is currently selected. Sonar Menu 84 531528-1_A - 757c_787c2_&_787c2i_Man_Eng. qxp 10/16/2006 10:43 AM Page 94 Beam Select Beam Select sets which sonar returns from the transducer will be displayed on the screen. When set to 200/83 kHz, the returns from both beams are blended by starting with the 83 kHz wide beam return, dimming it, and then overlaying it with the 200 kHz narrow beam return. The darker 200 kHz narrow beam sonar returns will stand out from the paler 83 kHz wide beam sonar returns. The Split Sonar View continues to display the sonar returns from each beam in their respective windows. The blended information is shown in the Sonar View, Sonar Zoom View and the Big Digits View. [. . . ] Generally, all GPS units have a limited number of Track Points that can be saved before the unit runs out of memory and begins erasing the first track points saved. Because of this, the user can adjust the Track Point Interval 156 531528-1_A - 757c_787c2_&_787c2i_Man_Eng. qxp 10/16/2006 10:44 AM Page 16 menu to increase the amount of time between when points are saved, and thus extend the distance covered by a track. Tracks can also be permanently saved to memory, and re-displayed at the user's option. Track Line (TRK): The Track Line is the desired line of travel between two waypoints, and represents the most efficient path between the two points because it is a straight line. [. . . ]