Garmin GPSMAP 420 Owner's Manual page 70

I
ndex
O
object information
accessing 9
obstruction 8
optional accessories 62
orientation 16
other boats
configuring 34
viewing 28
P
physical specifications 53
position 29
POWER/BACKLIGHT key 3
power/data and transducer cables 39,
41
Q
quick links i
R
Range (sonar) 38
RANGE keys 3
ROCKER key 3
routes
creating 23
deleting 24
viewing 27
route to 19
4
S
safe depth 32
safe zone 34
satellite imagery 11
enabling 14
scroll speed 38
SD cards
inserting 5
removing 5
SD card slot 1
SELECT key 3
settings
chart 16
system 29
shoot-thru-hull installation 46
simulator mode
using 4
software license agreement 60
sonar
advanced settings 38
setting up 37–38
specifications 53
specifications 53
speed sensor 33
spot depths 17
surface mounting the unit 40
surface noise 38
suspended targets 37
swivel base 41
swivel mount bracket 41
symbols 8
system information
viewing 5
T
temperature 29
test the installation 51
tide stations 26
viewing information 10
time 29
transducer 46
cables 39
dual beam 33, 35
dual frequency 33, 36, 38
installing 42–45
transom 45
transom, mounting on a 44
transom mount installation 52
U
Ultrascroll 50
units of measure
changing 29
user data
clearing 27
transferring 27
viewing 27
V
viewing
celestial information 27
currents 26
other boats 28
tide stations 26
user data 27
voltage 48
W
water speed
calibrate 33
water temperature 56
waypoints
creating 21
editing 22
viewing 27
weather data warranty 59
Where To 6, 19
whiteline 38
wiring harness
installing 48–50
X
XM audio 34
XM Satellite Radio service agree-
ment 60
Z
zoom 38
2x 38
4x 38
split 38
GPSMAP 400 Series Owner's Manual
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