To view a message:
1.
Press the
C
button. The MSG
page will appear and show the
new message (figure 3-61).
NOTE: It is possible that several messages are displayed at one time
on the Message page. The newest message appears first and the rest
in reverse chronological order.
2.
After reading the message, press
C
again to return to the page
previously in view. If all of the messages cannot be displayed on
one Message page, repeated presses of
C
will show the other
messages before returning to normal operation. If a message con-
dition exists which requires a specific action by you, the message
prompt will remain on but will not flash.
3.6. INITIALIZATION AND TIME TO FIRST FIX
Since the KLN 89(B) stores its position and other required parameters
in memory when power to the unit is removed, it is seldom necessary
to aid the unit in reaching a NAV ready condition. The time required
from power on until the KLN 89(B) determines its present position and
is therefore ready to navigate is called “time to first fix.” The time to first
fix is normally a few minutes or less. In order for the KLN 89(B) to
reach a NAV ready condition, it is necessary to meet the following con-
ditions:
1.
The KLN 89(B)’s “almanac” data should be current. Almanac data
is orbital information for all the satellites and is used for initial
acquisition when the KLN 89(B) is first turned on. This data is
stored in the KLN 89(B)’s non-volatile memory and is considered
current for up to six months. Each satellite sends almanac data for
all satellites. Since the KLN 89(B) routinely updates the almanac
data during normal operation, the almanac data will become out of
date only if the KLN 89(B) hasn’t been used for the previous six
months or longer. Collecting new almanac data takes place auto-
matically if the data is more than six months old. If the almanac
data is out of date and needs to be collected, the KLN 89(B) will
take a few minutes to acquire your present position (usually about
six (6) minutes, but not more than 12 minutes). The Self Test,
Initialization, and Data Base pages should be approved.
2.
The aircraft must be located such that the GPS antenna has an
unobstructed view of the sky so that required satellite signals are
Basic GPS Operation
3-18
Basic GPS Operation
Chapter 3
APT VOR NDB INT USR ACT NAV FPL CAL SET OTH
*Data Base Outdated
*Data Base Outdated
All Data Must be
All Data Must be
Confirmed Before Use
Confirmed Before Use
Figure 3-61
Содержание Bendix/King KLN 89
Страница 1: ...Pilot s Guide ORS 01 02 KLN 89 KLN 89B Bendix King GPS Navigation System A ...
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