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2-5
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 left side of the field similar to a typewriter. You must
enter any leading zeros in the field. For example, if you wish to enter
“51” in a three space field, you must press the 0, 5, and 1 keys in that
order.
· Press the CLR key if you enter an incorrect number.
· Press the ENT key when you have filled all significant digits of the field
with numbers (trailing zeros are automatically filled in by the GPS 55).
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 the CLR key if you enter an incorrect letter.
· Press the ENT key when all the characters are entered.
The GPS 55 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 4.5).
2.6 VIEWING MESSAGES
From time to time, the GPS 55 will use a message to tell you of conditions
that need your attention. When the GPS 55 has a new message for you, the
MSG banner will flash. When this occurs, press the MSG key to view new
message(s). Continue to press the MSG key until the page you were viewing
prior to pressing the MSG key is displayed.
While the MSG banner is flashing, the GPS 55 will also generate an audible
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 wish (see Section
4.5).