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GPSMAP 620 and GPSMAP 640 Owner’s Manual 77
supported le types 62
symbols
AIS targeting 30
automotive map 57
DSC trails 46
DSC vessels 36
MOB 21
on navigation chart 49
waypoint 46
system information, marine 39
system settings 65
system units 39
T
temperature 39
text language 66
tides/currents 46
tide station 26
time 40
time settings 66
Time To 43
time zone 40, 66
tools 64
touchscreen
calibrating 38, 72
settings 66
tracks
editing or deleting 23
saving 23
using 22
tracks display 45
trails
AIS 33, 46
DSC 37, 46
transferring data 28
trip computer, automotive 61
trip data, reset 61
trip log 67
trip screen, marine 25
troubleshooting 72
true north 40
true wind 47
turn-by-turn directions 60
turn list 60
turn transitions, routes 45
U
unit ID 65
units of measure
changing 39
updating
maps 70
software 68
usage mode 5, 39, 65
USB 1, 73
mass-storage mode 62
user data
clearing 28
deleting 68
user mag var 40
V
vehicle icon 67
vessel trails 37
via point, adding 54
viewing
currents 26
user data 28
Vision
BlueChart g2 10
VMG 47
voice language 66
volume, adjusting 7, 38, 54, 66
W
WAAS/EGNOS 39
water temperature alarm 42
waypoints
creating 9, 22
deleting 21, 22
labels 46
list 45
viewing 28
WebUpdater 68
Where Am I? 64
Where To?
automotive 55–59
marine 13, 19
wind
apparent 47
speed 47
true 47
world map 49
Z
zoom 8, 10, 11, 58