User manual VEXILAR LC-8

[. . . ] The LC-8 displays the depth as an easy to read number in the lower corner of the display The LC-8 has many functions that can be controlled by the user. Once you set the unit the way you want it, all of your settings are saved in memory, so that when the unit is used again no reprogramming is needed. 2 SPECIFICATIONS * Operating Voltage * Current Draw: * Power Output: * Frequency: * Resolution: * Sounding Rate: * Display Size: * Dimensions: * Weight: 8. 5 - 15 Volts (12 Volts Nominal) 50mA or 100 mA with Backlight On 400 Watts (Peak to Peak) 200 Khz 64 x 64 Pixels 400/Min. 2" x 2 1/4" 5. 9"H x 6. 4"W x 2. 5"D 0. 6 Lb. Depth Ranges: 0-5', 0-10', 0-15', 0-20', 0-30', 0-40', 0-60', 0-80', 0-120', 0-160', 0-240', 0-320', and 0-400'. (Meter units are selectable from the menu. ) 3 INSTALLATION To make the LC-8 work, you must provide the unit with power and mount the transducer in an appropriate location. UNIT INSTALLATION Find a convenient place to mount the unit. [. . . ] Pressing the SHALLOW button changes the range to the next shallowest range. Pressing the DEEP button changes the range to the next deeper range. GAIN CONTROL While in Manual Gain Mode, pressing the DEC button decreases the gain one step. Too much gain can "wash out" the targets that you want to see. Generally, it is a good idea to set the gain at an appropriate level and leave it there. Only change the gain level if the water depth or conditions change. 7 ZOOM ZOOM displays only the bottom half of the water depth. This doubles the display resolution making it much easier to see targets near or on the bottom. Pressing it again will go back to the normal view. SWEEP SWEEP controls how fast the information moves across the display. The sweep speed should roughly match the boat speed to get the most accurate reading. FREEZE/RESUME The FREEZE button stops the display so that you can examine it before it moves off of the screen. Pressing it again will RESUME the display back to the original speed. MENU Pressing the MENU button opens the first menu page. Pressing it again will go to menu page two, and pressing it again will go to page three. Pressing the MENU button when you are on page three, the last menu page, will send you back to page one. To resume to normal operation press the RESUME button. ON/OFF Simply turns the LC-8 ON and OFF. When you turn the LC-8 off all of your menu and control settings will be saved in memory so that when you turn it on again the unit will operate the same way as it did when you last turned it off. MENU SETTINGS When you are in the MENU mode, the control panel buttons act as input keys. For instance the SHALLOW button is the 1 key and the DEC button is the 2 key in Menu Mode. MENU PAGE 1 1 - AUTO - R Press the 1 key to enter the Automatic Range Submenu. In this submenu, pressing the 2 key puts the LC-8 into Automatic Range Mode. In this mode the unit changes the range setting for you when the depth of the water changes. The unit will not change range settings until you press the SHALLOW or DEEP button on the control panel. The factory default setting is ON. 2 - AUTO - G Press the 2 key to enter the Automatic Gain Submenu. In this submenu, pressing the 2 or 3 key puts the LC-8 into Automatic Gain Mode. The 2 selection tends to keep the gain on the higher side and the 3 selection will keep it on the lower side. In shallow or weedy water it is recommended that the <LOW> setting be used. No changes will take place unless you use the control panel. 3 - LIGHT Press the 3 key to enter the Backlight Submenu. [. . . ] Connections made to battery posts need extra attention because of the battery acid. The transducer should be checked for scratches and cracks which can reduce the units sensitivity. Cuts or breaks in the cord should be repaired as soon as possible so corrosion doesn't attack the wire. An oily film can develop which will cause weak readings. PORTABLE MAINTENANCE In portable applications the unit is generally mounted to a carrying case and the transducer is frequently removed, as is the power. [. . . ]