Lowrance electronic X-20A User Manual

X-20A INSTALLATION AND OPERATION INSTRUCTIONS LITHO IN U.S.A. 988-0105-36 •LOWRANCE ELECTRONICS, INC. 12000 E. SKELLY DR., TULSA, OK 74128 PDF compre

With high sensitivity settings, a second bottom echo (second echo) may appear. This is normal. It's caused by the returning signal reflecting of

Both 8 degree and 20 degree transducers give accurate bottom read- ings, even though the bottom signal is much wider on the 20 degree model. This is

RANGE TRANSDUCERS AND CONE ANGLES The range automatically changes to keep the bottom signal on the display when the unit is in automatic. The range

MODE 5 - All chart, High Speed Scroll. In this mode the chart scrolls at high speed. The chart speed can be adjusted with the CHART SPEED key if d

FISH I.D. The Fish 1.0. feature is automatically on when the unit is first turned on. The computer inside the unit analyzes all echoes, filtering out

The X-20A has five different screen modes. To change modes, press the MODE key. Keep pressing the MODE key until the desired screen appears. A summa

CHART ALARM To set the Chart Alarm, press the CHART ALARM key on the keyboard. The words " Chart Alarm" flashes in the lower right corner of

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26 TABLE OF CONTENTS INTRODUCTION 1 INSTALLATION 1 POWER CONNECTIONS 2 KEYBOARD BASICS 3 OPERATION 5 SENSITIVITY 5 CHART SPEED 7 RANGE 8 ZOOM 8 DIGIT

4. The boat must be moving at aslowtrolling speed toseefish arches. If the boat is motionless, fish stay in the cone, showing on the display as straig

Weak bottom echo, digital readings erratic, or no fish signals (cont4: INTRODUCTION 2. Electrical noisefromthe boat's motorcan interfere wlththe

Power Connections The X-20A operates from a 12 volt battery system. Attach the power cable to an accessory or power buss. If you have problems with e

thus marked, you can make your turn and come back to fish in exactly _.a1.J the right spot. This is essential when you're far from shore on a bi

SENS. This key and the arrow keys adjust the graph's sensitivity. -1 (The digital's sensitivity is adjusted by the unit automati- cally.) Th

WATER TEMPERATURE AND THERMOCLINES Waler temperature has an important-if not controlling-influence upon the activities of all fish. Fish are cold