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20 echo 200, echo 300c, echo 500c, and echo 550c Owner’s Manual
Index
alarms
battery voltage 13
beeper 2
drift 14
sh 13
shallow and deep water 13
temperature 13
A-Scope 12
backlight 1
battery voltage
alarm 13
showing 16
beeper 2
bottom lock 10
brightness 1
buttons 1
calibration
keel offset 16
temperature offset 17
water speed sensor 17
cleaning
outer casing 18
screen 18
color mode 2
color scheme 2
compass safe distance 18
contacting product support i
contrast, screen 2
day and night settings 2
deep water alarm 13
depth line 11
depth log
duration 6
scale 6
viewing 6, 7
depth scale 9
drift alarm 14
factory settings, restoring 19
sh
alarm 13
symbols 12
Flasher page 8
frequency
selecting 12
split screen 5
Full Screen page 4
gain
setting automatically 14
setting manually 14
identication number 19
keel offset 16
keys 1
language 18
line, depth 11
Log page 6
depth 6
temperature 7
measurement units 19
night and day settings 2
noise rejection 15
numbers
showing 15
size on screen 16
sonar 15
Numbers page 8
odometer
resetting 8
showing 16
pages 4
pause/rewind sonar 10, 11
product support, contacting i
registering your device i
screen
brightness 1
contrast 2
day or night 2
pausing 10
resuming after pausing 10
scroll speed 11
sensor, speed, calibrating 17
shallow water alarm 13
software version 19
sonar history 10, 11
sonar numbers 15
span 9, 10
speed sensor, calibrating 17
speed, showing 15
Split Frequency page 5
split size 5