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NT–2000 REF Manual
Basic Operating Procedure
3-2
3. Basic
Operating
Procedure
–
2 /7
3 . 3 . A d j u s t i n g
S c r e e n
Brigh t ness
・
The screen brightness level can be changed in a total of eight steps to suit the
ambient lighting condition by repeatedly pressing
.
・
To extend the service life of the backlighting lamp, the level can be changed in two
steps automatically after a user–preset time period. See paragraph 4.5 for detailed
information on the screen sleep mode.
・
The screen background is initially white. You can change it to black or blue via the
instructions given in paragraph 4.3.
3 . 4 .
A d j u s t i n g K e ypa d B a c k l i g h ti n g L e v e l
・
The keypad backlighting level can be changed in a total of eight steps to suit the
ambient lighting condition by repeatedly pressing
.
・
The last used level will be stored in memory. However, if the minimum level was
used last time, it will return to the maximum level on next power–up.
3 . 5 . Sw i t c h i n g
F i r s t
a n d S e c o n d Re c e i v e r s
・
The message display initially shows first receiver page, showing the NAVTEX
message received on the first (518 kHz) receiver.
・
To display the second receiver page to show messages received on the second receiver
(
*
490 kHz or
*
4209.5 kHz), press
. A second keypress will switch the display
back to the first receiver page.
・
Pressing
will also return you to the first receiver page when you are making
settings via the menu system.
Figure 3-3 Switching First and Second Receivers
*
Frequency Indication:
・
RCVR1
=
490 kHz
・
RCVR2
=
4209.5 kHz
See paragraph 4.6 for
instructions.
(
continued on next page
)
1ST RCVR M S G ( 15/ 15 )
IB07
210520 UTC JUN 05
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
NNNN
STORED (CER=00%)
First Receiver Page
2ND RCVR1 M S G ( 10/ 10 )
KA23
210635 UTC JUN 05
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・・
NNNN
STORED (CER=00%)
Second Receiver Page