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Figure 3-34. FLIGHT PLAN Page (Sheet 2 of 2)
3-69
TM 1-1520-248-10
PULL
MAN
PULL
BKUP
BRT
C
ONT
VSD HSD MMS COMM
NEW
WPT
2
3
4
6 5
7
8
9
10
C7 A3
......
.
...
ADD
POINT
CHG
POINT
INS
POINT
PM-7890-1602
......
.
...
......
.
...
......
.
...
FPLN
DEL
POINT
SAF>R BATTLEFIELD GRAPHICS LIST
WPT
LIST
DEL
LIST
NEXT
POINT
LAST
POINT
1
406075-1437
J1139
CONTROL/INDICATOR FUNCTION
1. FPLN key Calls up FLIGHT PLAN page.
2. WPT LIST key Calls up WPT LIST page.
3. DEL LIST key Pressing key once will cause the DEL LIST label to flash. Pressing the key
again will cause the battlefield graphics list to delete. After the initial
activation of the DEL LIST key (while the label is flashing), recovery can be
made and DEL LIST request can be terminated by pressing any other key.
4. DEL POINT key Pressing key will delete point of battlefield graphics list that is marked with
cursor box.
5. NEW WPT key Calls up NEW WAYPOINT page.
6. INS POINT key Activates MFD for entry of a waypoint from the waypoint list. The waypoint
will be inserted immediately after waypoint marked with cursor box.
Figure 3-35. BATTLEFIELD GRAPHICS LIST (Sheet 1 of 2)
3-70
TM 1-1520-248-10
(Cont)
CONTROL/INDICATOR FUNCTION
7. CHG POINT key Activates MFK for entry of a waypoint from the waypoint list. New waypoint
will replace waypoint marked with cursor box.
8. LAST POINT key Accesses the last waypoint. It causes the current waypoint to be
decremented to the previous waypoint in the battlefield graphics list
sequence. Once the last battlefield graphics list point has been accessed,
START LIST will display. The box enclosing the current waypoint is moved
down to identify the new current waypoint.
9. NEXT POINT key Accesses the next waypoint. It causes the current waypoint to be
incremented to the next waypoint in the battlefield graphics list sequence.
Once the last battlefield graphics list point has been accessed, END LIST
will display. The box enclosing the current waypoint is moved down to
identify the new current waypoint.
10. ADD POINT key Activates MFK to accept entry of waypoints coordinates.
Figure 3-35. BATTLEFIELD GRAPHICS LIST (Sheet 2 of 2)
3-68. HORIZONTAL SITUATION DISPLAY 3-69. NAV MODE SELECT PAGE.
PAGE.
NOTE
The Horizontal Situation Display (HSD) page (fig. 3-36 • In the P(Y) ONLY mode, the GPS receiver
and fig. 3-37) is the basic page for navigation. It is within the EGI uses only the satellite
called up by pressing the HSD key at the bottom of any signals from the Precise Positioning
page or pressing the DSPL SEL switch on the pilot Service (PPS).
cyclic grip down one time. The HSD page displays a • When the P(Y) ONLY mode i s not
compass rose that represents an area of up to selected, GPS navigates using military
approximately 48 kilometers (26 nautical miles) across. PPS signals as well as commercial
The helicopter position is represented by a cross at the s i g n a l s k n o w n a s t h e S e l e c t i v e
center of the display. The flight plan is displayed to Positioning Service (SPS).
scale, positioned on the MFD relative to the position of (CDS2) The NAV Mode Select page (fig. 3-38) is called
the helicopter. Navigational information for the next up by pressing the NAV MODE key on the right side of
waypoint to be flown to is displayed in the upper left the HSD page. The purpose of this page is to change
and right corners of the MFD. An open caret, on the the mode of operation. One of three modes of
compass rose, points to the bearing to the next o p e r a t i o n may be s e l e c t e d by p r e s s i n g t h e
corresponding key. The three EGI solution sources that
waypoint in the flight plan. All navigational information may be selected are GPS/INS, GPS, or INS. The EGI
can refer to the last waypoint passed by pressing the can be commanded to accept P(Y) code only.
LAST WPT key. The NAV UPD key allows the crew to
periodically update the navigation system to correct for The NAV MODE SELECT page (fig. 3-39) is called
any errors that may have accumulated. The HSD page up by pressing the NAV MODE key on the right side of
the NAV ALIGN page. The purpose of this page is to
has four scales, 1:50,000, 1:100,000, 1:250,000, and
change the mode of operation. One of three modes of
1:500,000 that are alternately selected with the SCL o p e r a t i o n may be s e l e c t e d by p r e s s i n g t h e
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TECHNICAL MANUAL OPERATOR’S MANUAL FOR ARMY OH-58D HELICOPT(73)
