4.
Control Units
4-6
4.4.2 How to enter alphanumeric data
Entering alphanumeric data
Alphanumeric input fields are activated for input by pointing with the mouse cursor and clicking the left mouse
button. This action also displays minimum and maximum values beside the input field. The input value is chosen by
spinning the thumbwheel, and the value is accepted by pushing the thumbwheel. (Alphanumeric data may also be
entered directly from the keyboard-equipped control unit.)
To change a specific digit or alphabet, roll the trackball to place the cursor to the left of the digit or character that
you want to change and then spin the thumbwheel to choose appropriate alphanumeric character.
Changing co-ordinate polarity
By clicking co-ordinate polarity
1. Place the cursor before the co-ordinate (N, S, E, W) and then push the left mouse button.
2. Spin the thumbwheel to choose desired polarity and then push the thumbwheel.
By choosing polarity from drop-down menu
1. Place the cursor inside the input window.
2. Click the right mouse button to show the following window.
3. Choose Characters and push the left mouse button. Your window should now look something like the one below.
(N and S shown for latitude.)
W
E
4. Spin the thumbwheel to choose appropriate polarity and then push the thumbwheel. The coordinate is changed
and the window is closed.
Deleting a character
A character can be deleted from text/numeric input field as follows:
1. Place the cursor to the right of the digit you want to delete and then push the right mouse button.
2. Delete is chosen – push the thumbwheel to delete the alphanumeric chosen. The character is deleted and the
window is closed.
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