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SporTrak Color GPS M apping R eceiver
Appendix
Navigating with the Compass Screen
When y ou ar e using t he Com pass Scr een t o s teer t o a des tina-
tion, y our goal is t o align t he Des tination P oint er and t he C OG
Point er t og e ther . When bo th of t hese point er s ar e lined up,
reg ardless of y our heading, y ou ar e mo ving in a s traight line t o
your des tination.
Here t he Des tination P oint er and t he C OG Point er nearl y line
up e xactl y and w e ar e mo ving in a s traight line t o t he des tina-
tion.
Note: The Destination Pointer points to North and the Destina-
tion Icon disappears when you do not have an active route or
GOTO.
Calibrating the Compass
The electr onic com pass r eq uires t hat it is r ecalibr ated
every
time y ou c hang e t he batt er ies.
Failur e t o calibr ate t he com pass could r esult in err ors of 20
°
or mor e t o t he displa yed
heading. Calibr ation is v er y sim ple and w on ’t take mor e t han a minut e.
It is very important that there are no metallic objects near the SporTrak Color during
this calibration.
1.
Remo ve t he SporT rak Color from an y cr adle it ma y be in and la y it do wn f ace up
on an y flat, nonme tal sur face. Also y ou should no t be mo ving (i.e., in a car or
boat in mo tion) while calibr
ating t he com pass. This will af
fect t he calibr ation
causing err ors in t he com pass output.
2.
Turn t he SporT rak Color on normall y and af ter an y of t he na vig ation scr eens ar e
displa yed, pr ess t he
MENU
butt on. Using t he U p/Do wn arr ows, highlight
“Se tup” and pr ess
ENTER
.
3.
Using t he U p/Do wn arr ows, highlight “Com pass Calibr ate” and pr ess
ENTER
.
Using t he on-scr een “bubble le
vel”, se t the SporT rak Color on a le vel, nonme tallic
sur face. (N ote: If y ou canno t le vel t he bubble, t he SporT rak Color ma y ha ve los t
the basic se
tting inf ormation f or t he com pass. This mos t of ten occur s af ter t he
SporTrak Color has been dr
opped or has been s
truc k in a manner t hat has mo ved
some of t he int ernal electr onics. If t his is t he case, y ou will need t o per form t he
“Extended Calibr ation”. Inf ormation as t o ho w t o do t his can be f ound lat er in
this section.)
4.
The SporTrak Color will pr ovide t he ins tructions on r otating t he r eceiv er .
Do no t rotate t he SporT rak Color t oo q uic kly. An arr ow is pr ovided on t he scr een
and as long as y
ou k eep t he arr ow pointing in t he same dir ection y ou will be
rotating t he SporT rak Color at t he pr oper speed.
