Garmin GPS 89 - Manual (Page 53)

Map Patmn Sct(in£
The map datum is located just below the heading field,
and comes with a WGS 84 default selling. Alihou^i 104
map datums are available for use (see the map datum list in
Appendix B), you should only change the datum if you are
using charts that specify a different datum than WGS 84,
Ta sdect a map datum:
1. Move the field highlight to the 'datum'field and press
2. Use the arrow keypad to toggle through and select the
desired setting. Contém the setting by pressing A.
DattfTime and Timer Options
The Date/Time submenu provides access to the local
time offset and timer functions. The date and time field is
located at the top half of the Date/Time page. The date and
time are calculated torn satellites and cannot be edited.
Because the time shown is UTC lime, you will need to enter
a time offset to display the correct local time for your area. To
determine the time offset for your area, refer to the chart on
page 55,
To enter the time o№et:
1. Move the field highlight to the 'offseT field and press
2. Enter the time offset for your longitude and press .
Remember to sdect a positive or negative indicator for
your offset (you'll have to move the field highlight to the
left of the offset to enter a -r or • for the offset).
3. Press the A key to confirm the offset
The GPS 891s timer function will count down from an
entered interval and alert you with a message, or it will keep
a running timer that will count up to 99:59:59,
To SCI the countdown limen
t. Mghlight the up/down fíeld and press the < I key.
2. Use the arrow keypad to select the 'Down' set^. The
highlight will advance to the time field. Press Si .
3. Enter the countdown lime (hours, minutes and seconds).
4. Press A to confirm and begin the countdown.
UHITSyDftTUtl
Posn Format:
hddd*Mm, rnmm'
Hau Units:
Statute
Heading:
Auto Hag
E005
Map Batum:
DGS
Wamiiij.' l/sing the wrong
map datum can seriously
affect (ha accuracy oj ytm
CPS 89.
DflTEa'IIHK
Date
16fV»R9e
Time
08:11:17
Local Offset:
4-00:00
Hours: 24
Timer:
Bonn 190:00:00
Ta reset the lunar, highfigiit
tha Timer;'and press
tlie LEFT ARROW key.
49