Lowrance X-20 User Manual

X-20
INSTALLATION
AND OPERATION
INSTRUCTIONS
LITHO IN U.S.A.
988-0105-17
•LOWRANCE
ELECTRONICS,
INC.
12000
E. SKELLY
DR.,
TULSA,
OK
74128
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Lowrance X-20 Specifications

General

Sonar Frequency	200 kHz
Sonar	Yes
GPS	No
Display Type	LCD
Depth Capability	800 feet (244 m)

Summary

INTRODUCTION

INSTALLATION

Guide on physically installing the X-20 unit and connecting power.

GLOSSARY OF TERMS

SPECIFICATIONS

KEY FUNCTION DESCRIPTIONS

Explains the function of SENS, CHART SPEED, RANGE, and CHART ALARM keys.

SURVEYING A LAKE

MODE, FISH I.D., FISH ALARM, AND AUTO KEYS

Explains the MODE, FISH I.D., FISH ALARM, and AUTO keys.

OPERATION

SENSITIVITY ADJUSTMENT

Details how to adjust the unit's sensitivity manually and automatically.

FISH ARCHES

CHART SPEED AND RANGE

CHART SPEED CONTROL

RANGE ADJUSTMENT

How to change the depth range displayed on the unit.

ZOOM OPERATION

AUTOMATIC ZOOM

How the zoom feature enlarges targets in automatic mode.

SIGNAL INTERPRETATION

TRANSDUCERS AND CONE ANGLES

DIGITAL SONAR DISPLAY

ZOOM MANUAL MODE

Explains how to use the zoom feature in manual mode.

FISH I.D. FEATURE

SCREEN MODES

AUTO MODE OPERATION

Explains the automatic mode and how to turn it off or on.

ALARMS

CHART ALARM FUNCTION

Details how to set and use the chart alarm feature.

FISH ALARM ACTIVATION

SPEAKER AND LIGHT CONTROLS