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General| Display Size | 4 inches |
|---|---|
| Display Type | LCD |
| Max Depth | 800 feet |
| Transducer Type | Skimmer |
| Frequency | 192 kHz |
| Beam Angle | 20 degrees |
| Transducer | Skimmer |
| Depth Capability | 800 feet |
| Display | 4-inch LCD |
| Operating Temperature | -4° to 122°F (-20° to 50°C ) |
Install the X-40 in any convenient location, provided there is clearance when tilted for the best viewing angle.
The X-40 operates from a 12 volt battery system. Attach the power cable to an accessory or power buss.
Minimize electrical noise by routing the power cable away from other possible sources of electrical interference.
Installation instructions for the transducer are with the transducer in a separate package.
Details the functions of keys related to Grayline, Digital Sonar, Zone Alarm, Limits, Clear, and On/Off operations.
Details keys for adjusting chart speed, sensitivity, and grayline settings.
Explains keys related to digital sonar, alarms, and display settings.
Lists the most commonly needed parts for the X-40 sonar unit.
Provides technical details including dimensions, weight, and operating parameters.
Provides contact information for service and repair assistance for the sonar unit.
Details how to obtain a schematic and parts list for the Lowrance sonar unit.
Explains the meaning of the sensitivity bar, topline, and range indicators on the display.
Provides guidance on using the X-40 to map and identify productive fishing spots on a lake.
Explains how the unit automatically finds and displays the bottom depth and adjusts sensitivity.
Instructions for powering the X-40 on using the ON key and off using the OFF key.
Explains how to access secondary functions assigned to keys using the 2nd key.
Details how to use the CLEAR key to correct mistakes or cancel operations.
Describes how the AUTO key enables automatic sensitivity and ranging, and how to switch to manual mode.
Explains how to manually adjust sensitivity using arrow keys and the sensitivity bar.
Details how to adjust chart speed using FAST and SLOW keys and how to freeze the display.
Explains how to view chart speed without changing it using the 2nd key.
Describes how to adjust sensitivity while in automatic mode for better target detection.
Explains how bottom composition (sand, mud, rocks) affects signal return and display.
Describes how to interpret signals from rocks, stumps, and underwater cliffs.
Explains the concept of cone angle and the types of Lowrance transducers available.
Details how scale markers on the display help determine target depth.
Explains how to adjust the upper and lower limits to set the display's depth range.
Instructions on how to set the lower limit for the depth range, disabling auto mode first.
Instructions on how to set the upper limit to 'zoom' a section of the display, with restrictions.
Explains how digital averaging minimizes display jitter by averaging bottom readings.
Details the function of the pulse width setting.
Explains the Surface Clarity Control (SCC) function.
Describes how to set the zoom window size for Automatic Bottom Tracking.
Explains the relationship between resolution and transmitter pulse length.
Details how to access the X-40's command menus using the COMMAND key.
Explains how to change the Grayline from checkered pattern to lines.
Explains how to turn the upper and lower limit display off or on.
Details how to activate auto sensitivity and tracking to keep the bottom signal in view.
Explains how the Grayline function shows signal strength and bottom composition.
Explains how to display bottom depth in tenths of a foot for shallow water.
Describes the zone alarm and digital depth alarm functions for warnings.
Explains how the note key turns the audible tone off and on.
Explains how to change the depth display units to feet, fathoms, or meters.
Details how to adjust discrimination to eliminate noise and display only legitimate echoes.
Explains how SCC reduces surface clutter by varying receiver gain.
Details how to set shallow and deep boundaries for the zone alarm.
Explains how to set shallow and deep alarms to warn of specific depth conditions.
Instructions for turning the X-40's backlights on and off for night operation.
Shows examples of discrimination settings for off and proper noise elimination.
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