Press and hold the BRT key to dim
the display. Release the BRT key.
Press and hold again to brighten the
instantaneously to full bright from any
brightness level by momentarily pressing
the ON key
3. Parallax If the line select keys do not
align with the line select prompts on
the CRT, adjust as follows.
a. Press the BRT key. If the
screen begins to dim, release
the BRT key. Press again
and hold while momentarily
pressing the D key, then the P
b. Using the U (up) or D (down)
key, adjust the display to the
alignment is complete.
3 seconds to turn system off.
(2) Initialization Page. The Initialization page
gives the pilot access to the required initialization data
(date, GMT, and position). Following confirmation or
entry of this data, the page disappears and cannot be
retrieved unless system power is removed and then
restored. GMT and date are available for display in
the PLAN section and position is available in the NAV
(a) DATE and GMT.
1. DATE Insert, if required (day/
month/year digits only).
DATE and GMT are continuously updated
while the system is off. When the system
is turned on, the DATE and GMT will
appear on the Initialization page. If the
DATE is incorrect, move the cursor to the
DATE field to update manually.
Enter a leading 0 for months with a
numerical value of less than 10.
2. ENTER key Press to verify
3. GMT Insert if required (hours
4. IDENT Verify position. The
appropriate airport ICAO identifier
or latitude and longitude may be
inserted at this point
After a brief delay, this field normally pre-
fills with the identifier of the airport closest
to the aircraft's present position at power-
up, provided the aircraft's real position and
system position were the same at system
5. ENTER key Press to verify
database expiration date and to
review other system messages.
Continue pressing MSG key to
review sensor messages and to
return to Initialization page.
(3) Departure Position.
position should be the runway threshold. The
departure position may be entered using either the
field identifier or the latitude and longitude in the POS
(4) Entering Departure Position Using ICAO
1. Line select key Press to position
cursor over desired field (if required).
2. Desired number and letter keys
Press until desired identifier appears
3. ENTER key Press.
coordinates Will be displayed with
continuation records listed below.
5. Airport continuation records To
access, position the cursor over the
departure runway identifier. This will
automatically result in the display of
the departure runway threshold in the
waypoint field, the departure airport
will replace the ARP field, and POS