3-5
Rev 1
The KLN 900 needs to have the correct time, date,
and position to be able to determine which satellites
should be in view. This information is stored in the
battery backed memory of the KLN 900 so it is not
normally required to update it. If the KLN 900 has the
correct time, date, and position, then the time to first
fix will usually be just a couple of minutes or less. If
this information is not correct, then the KLN 900 will
start to look for any satellites. Eventually, the KLN
900 will find enough satellites to determine the posi-
tion of the aircraft. This process can take as long as
12 minutes but will normally be around 6 minutes. It is
possible for you to update this information manually
which will allow the KLN 900 to reach a NAV ready
status much faster. To set the date and time follow
steps 6 and 7. If the date and time are correct, or
acquisition time is not important, then skip to step 8.
6. If the date is incorrect, rotate the right outer knob
counterclockwise until the cursor is over the entire
date field (figure 3-7). Rotate the right inner knob
until the correct day of the month is displayed (figure
3-8). Then, rotate the right outer knob one step
clockwise to place the flashing part of the cursor over
the month field (figure 3-9). Rotate the right inner
knob to display the correct month (figure 3-10).
Rotate the right outer knob one step clockwise again
and use the right inner knob to select the first digit of
the correct year (Figure 3-11). Next, rotate the right
outer knob one more step clockwise and then use the
right inner knob to select the second digit of the year
(figure 3-12). When the date is correct, press
E
.
7.
If it is necessary to reset the time, use the right outer
knob to position the cursor over the time zone field
(figure 3-13). Use the right inner knob to select the
desired time zone (figure 3-14). The following are the
time zones which the KLN 900 is capable of
displaying:
UTC
Coordinated Universal Time (Zulu, GMT)
GST
Greenland Standard Time (UTC - 3)
GDT
Greenland Daylight Time (UTC - 2)
ATS
Atlantic Standard Time (UTC - 4)
ATD
Atlantic Daylight Time (UTC - 3)
EST
Eastern Standard Time (UTC - 5)
EDT
Eastern Daylight Time (UTC - 4)
CST
Central Standard Time (UTC - 6)
CDT
Central Daylight Time (UTC - 5)
MST
Mountain Standard Time (UTC - 7)
MDT
Mountain Daylight Time (UTC - 6)
PST
Pacific Standard Time (UTC - 8)
PDT
Pacific Daylight Time (UTC - 7)
AKS
Alaska Standard Time (UTC - 9)
AKD
Alaska Daylight Time (UTC - 8)
HAS
Hawaii Standard Time (UTC - 10)
HAD
Hawaii Daylight Time (UTC - 9)
|DATE/TIME
|
31 JUL 99
|08:10:14CST
|ALT 1100ft
|BARO:29.92"
|
CRSR
|DATE/TIME
| 03 AUG 99
|08:10:14
CST
|ALT 1100ft
|BARO:29.92"
| APPROVE?
CRSR
|DATE/TIME
| 03 AUG 99
|14:10:55
UTC
|ALT 1100ft
|BARO:29.92"
| APPROVE?
CRSR
|DATE/TIME
|
03 AUG 99
|08:10:14CST
|ALT 1100ft
|BARO:29.92"
| APPROVE?
CRSR
|DATE/TIME
|
03 AUG 9!
|08:10:14CST
|ALT 1100ft
|BARO:29.92"
| APPROVE?
CRSR
|DATE/TIME
|
03 AUG !!
|08:10:14CST
|ALT 1100ft
|BARO:29.92"
| APPROVE?
CRSR
|DATE/TIME
|
03 !!! !!
|08:10:14CST
|ALT 1100ft
|BARO:29.92"
| APPROVE?
CRSR
|DATE/TIME
|
03 !!! !!
|08:10:14CST
|ALT 1100ft
|BARO:29.92"
| APPROVE?
CRSR
Figure 3-7
Figure 3-8
Figure 3-9
Figure 3-10
Figure 3-11
Figure 3-12
Figure 3-13
Figure 3-14
Summary of Contents for KLN 900s
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