Garmin GPS 75 - Manual (Page 13)

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2.5 ENTERING DATA
To enter data you must first move the cursor under the desired field by
pressing the right or left arrow key.
To enter a number...
· Press the key that is labeled with the desired number. The
numbers will fill in from the right side of the field and move to the
left as each new number is entered. For example, if you wish to
enter “51” in a three space field, you must press the 5 and 1 keys
in that order.
· Press CLR if you enter an incorrect number.
· Press ENT when you have filled all significant digits of the field
with numbers.
To enter a letter...
· Press the key that is labeled with the desired letter.
· Press the right or left arrow key until the desired letter is displayed.
· Press CLR if you enter an incorrect letter.
· Press ENT when all the characters are entered.
The GPS 75 features a keypad feedback tone which will sound each time
you press a key. If you enter data which is not appropriate for the field,
the feedback tone will quickly sound three times indicating an error. The
keypad feedback tone can be turned off if you wish (see Section 6.6).
2.6 VIEWING MESSAGES
From time to time, the GPS 75 will use a message to tell you of conditions
needing attention. When the GPS 75 has a new message, the MSG
annunciator will flash. When this occurs, press PWR/STAT to view the
new message(s). Press PWR/STAT again to see the page you were
viewing prior to reading your message.
While the MSG annunciator is flashing, the GPS 75 will also generate a
tone to alert you of the message (if your unit is connected to an external
alarm, it will also be activated). Messages that demand immediate
attention such as an arrival alarm generate a quick tone that will not stop
until you view the message. All other messages generate a slow tone that
will cease after 15 seconds. The message tone may be turned off if you