Garmin GPS 90, Руководство пользователя и справочник

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The GPS 90 timer function will count down from an
entered interval and alert you with a message or keep a
running timer that will count up to 99:59:59 while the
unit is on.
To set the countdown timer:
1. Highlight the up/down field and press the
E
key.
2. Use the arrow keypad to select the ‘Down’ setting. The field
highlight will advance to the time field. Press the
E
key.
3. Enter the countdown time (hours, minutes & seconds).
4. Press
E
to confirm the setting and begin the countdown.
When the timer has elapsed, you will be inform e d
with a message, and the timer will automatically transi-
tion to the count up mode, and display the time elapsed
since the timer expired. The count up timer will keep a
running clock until it is manually reset.
To reset the count up timer or enter a starting time:
1. With the timer field in the count ‘Up’ setting, highlight the
time field and press
E
.
2. Press the
L
key to reset the field, or use the arrow keypad
to enter a starting time for the timer. Press
E
to finish
and restart the timer.
The fifth listing on the Main Menu page is the Track
Log submenu , which lets you manage and erase the
GPS 90’s tracking data. From the Track Log page, you
can select whether or not to re c o rd a track and defin e
how it is recorded.
To turn the track log on or off:
1. Highlight the ‘record track’ field and press
E
.
2. Select ‘yes’ or ‘no’ and press
E
.
The stored track criteria determines how often posi-
tions are stored in the track log. The default setting is
automatic, which stores track based on resolution. This
setting gives you the most efficient use of track memory.
A time interval setting is also available to re c o rd the
track log at a user-specified interval.
47
Setup Menu
Timers &
Track Log
Setting the countdown
timer.
To reset the count up
timer, press the LEFT
ARROW key.
gps 90 manual 8/6/98 10:00 AM Page 47