AE–1800 Instruction Manual
Basic Operating Procedure
3. Basic Operat ing Procedure
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3 . 6 . S c r o l l i n g N AV T E X M e s s a g e s
The displayed NAVTEX text can be scrolled line by line or down or message by message
with the use of the following pairs of keys:
・
/
:
Line–by–line scrolling.
-
Pressing
scrolls the text downward, allowing more message lines hidden
beyond the lower screen limit to show up. Holding down the key accelerates
scrolling.
When the top line of the newest message (e.g.
13 / 13
) is reached, further keypress
displays the last line of the oldest message ( e.g.
1/ 13
).
- Pressing
acts in the opposite way, allowing more lines hidden beyond the
upper screen limit to show up. Holding down the key accelerates scrolling.
When the bottom line of the oldest message ( e.g.
1/ 13
) is reached, further
keypress displays the top line of the newest message ( e.g.
13 / 13
).
・
/
:
Message–by–message scrolling.
- Pressing
once scrolls the text by one message timewise forward to show a next
newer message, as in the example below.
Figure 3-4 Forward Message Scrolling – Example 1
- Holding down the key accelerates the scroll speed. After the newest message is
reached, further keypress displays the oldest one.
Figure 3-5 Forward Message Scrolling – Example 2
- Pressing
once scrolls the text by one message timewise backward to show a
next older message, as in the example below.
Figure 3-6 Backward Message Scrolling – Example – 1
- Holding down the key accelerates the scroll speed. After the oldest message is
reached, further keypress displays the newest one.
Figure 3-7 Backward Message Scrolling – Example – 2
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continued on next page
)
1ST RCVR MSG
1 2 9 / 1 3 0
1ST RCVR MSG
1 3 0 / 1 3 0
1ST RCVR MSG
1 3 0 / 1 3 0
1ST RCVR MSG
1 / 1 3 0
1ST RCVR MSG
11 0 / 13 0
1ST RCVR MSG
1 0 9 / 1 3 0
1ST RCVR MSG
1 / 1 3 0
1ST RCVR MSG
1 3 0 / 1 3 0
