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manual abstract
The unit is in the automatic mode. The depth range displays on the upper left side of the screen. In the example at right, the range is from 0 to 60 feet and the bottom depth is 48.6 feet. Fish ID 128 14 NOTE: Turning the unit off erases all user settings and it returns to the system defaults. For example, if you turn the lights on, then turn the unit off, the next time you turn the unit on, the lights will be off, since the default setting for the lights is off. MENUS This sonar unit uses menus to guide you through the unit’s functions and features. The menu keys accesses these features, allowing you to customize the unit to your particular needs and water conditions. All you have to do to leave one menu and enter another is press a menu key repeatedly. If you ever get lost in the menus, simply press the PWR/CLEAR key. This clears the menus from the screen. Menus change depending on the mode the unit is in. For example, if the automatic mode is turned off, the sensitivity menu changes from “AUTO SENS” to “MAN SENS.” Other messages may appear in menu boxes or new menus can appear, again depending on previous selections. On the screen shown on the previous page, the backlight menu is showing. Pressing the up arrow key while this menu shows turns the back lights on. OPERATION AUTOMATIC When the unit is first turned on, the automatic feature is enabled. This feature automatically adjusts the unit’s range and sensitivity according to water conditions. It always keeps the bottom displayed in the lower portion of the screen. To turn the automatic feature off, press a menu key until the AUTO/MAN menu appears. Now press the down arrow key. This highlights the letters “MAN.” The unit is now in the manual mode. Wait a few seconds and the menu will scroll off the screen’s left side. Pressing the PWR/ CLEAR key also erases it. To turn the automatic feature on again, repeat the above steps, except this time press the up arrow key. 15 RANGE You can’t adjust the range when the automatic mode is on. It is adjustable when the unit is in the manual mode, however. To do so, first put the unit in the manual mode. Now press a menu key until the “RANGE SEL” menu appears as shown at right. The current range shows at the bottom of the menu. In this case, the range is 60 feet. Now press the up arrow key to decrease the range, the down arrow key increases the range. After you select the desired range, press the PWR/ CLEAR key to clear the display. If you wait a few seconds, it automatically clears. The Fish ID 128 has the following ranges: 10, 20, 40, 60, 120, 240, 480, and 900 feet. and 5, 10, 20, 40, 60, 100, 200, and 300 meters. NOTE: The depth capability of this sonar depends on the transducer installation, water and bottom conditions, and other factors. ZOOM The zoom feature enlarges all echoes on the screen. If the unit is in the automatic mode, it tracks the bottom signal, always keeping it near the bottom of the screen. This lets you see small detail, at the same time enlarging all echoes that appear on the screen. Remember, however, that the unit doesn’t track the bottom while in the manual mode. To zoom the display, first press a menu key until the RANGE/ZOOM menu appears. Now press the down arrow key as shown at right. This switches the unit into the zoom mode. All echoes are shown at twice their normal size. To turn the zoom off, select the RANGE/ ZOOM menu, then press the up arrow key. 16 SENSITIVITY The sensitivity menu lets you control the unit’s ability to pick up echoes. A low sensitivity level excludes much of the bottom information, fish signals, and other detail. High sensitivity settings lets you see features, but it can also clutter the screen with noise and other unwanted signals. Typically, the best sensitivity level shows a good, solid bottom signal with grayline. This unit adjusts the sensitivity level to keep a solid bottom signal on the screen. It adds a little extra when it’s in the automatic mode. This gives it the capability to show fish and other detail. However, situations occur where it becomes necessary to increase or decrease the sensitivity level. Typically, this occurs when you wish to see more detail, so you need to increase the sensitivity. The procedure to adjust it is the same whether the unit is in the automatic or manual mode. To change the sensitivity level, first press a menu key until the sensitivity menu appears. If the unit is in automatic, the menu shows “AUTO SENS.” Otherwise, the menu shows “MAN SENS.” Now press the up arrow key to increase the sensitivity, the down arrow to decrease it. Echoes scrolling onto the screen will also show the effects of the sensitivity change. If you reach the maximum or minimum sensitivity level, a tone sounds alerting you to the limits. After you’ve adjusted the unit to the desired sensitivity level, press the PWR/CLEAR key to clear the display. If you wait a few seconds, it will automatically clear. FISH ID FEATURE The Fish ID feature identifies tar...