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message is retransmitted and the EOM SENT and
legend is boxed for 5 seconds. This the EOM message is transmitted.
legend is only present on those displays (2) Shooter Role.
where the mission status indicates that
a message has been sent and no
acknowledgment received. (a) Pressing the Freeze Frame switch
when the single line CONTROL box
b. AIR MSN With Control. The CONTROL box is displayed and the mission status is
(fig. 4-118) is displayed on the mission MSN RCVD initiates the following:
summary page when the mission status is
READY, SHOT, or TOF=0 and the role is The ACCEPT/REJECT control option is
OBS. If the role is SHTR, the CONTROL provided and
box is displayed if the mission status is if selected, the mission status changes to
MSN RCVD, FIRE, or ACCEPT SENT and a either ACCEPT SENT or REJECT SENT,
machine ACK has been received. When the based on the selection and
mission summary page contains the the ACCEPT or REJECT message is
CONTROL box, pressing the Freeze Frame transmitted.
4-256
TM 1-1520-248-10
PULL
MAN
PULL
BKUP
BRT
C
ONT
HSD COMM
300 330 N 030 060 E
VSD
W
SAF>H
=12
=03
CLR
MSN
A
4600
ARM TAC 2X
PNT TRK MMS
RHF-LOBL
215° 4385M 30T
RAPID/2/10S 1244
< AIR#1-SHTR MSN RCVD
TOF:25S
CONTROL
ACCEPT 0
REJECT 1
CONTROL
FIRE 0
CONTROL
EOM 0
CONTROL
ACCEPT 0
REJECT 1
CONTROL
READY 0
CONTROL
SHOT 0
1. Observer Role
2. Shooter Role
AIR MSN Control Box Displays
MSN STATUS = READY MSN STATUS = SHOT
AND TOF = 0
MSN STATUS = MSN RCVD
MSN STATUS = ACCEPT SENT
AND ACK IS TRUE
MSN STATUS = SHOT SENT
1 1 2
2 2
406075-1488-51
J2997
Figure 4-119. AIR MSN With Control/Freeze Frame
(b) Pressing the Freeze Frame switch a mission need, progresses through the
when the single line CONTROL box events that occur, and finishes with the
is displayed and the mission status is mission complete message. Each MFD
ACCEPT SENT and the machine displayed represents a separate event.
generated ACK has been received (1) Observer 1. A mission request (MSN
initiates the following: SENT) message has been transmitted.
(2) Observer 2. The Observer has received
The READY control option is provided and a machine generated acknowledgment
if selected, the mission status changes to (ACK) from the shooter.
READY SENT and
(3) Shooter 1. The Shooter has received a
the READY message is transmitted.
mission request (MSN RCVD) from the
Observer.
(c) Pressing the Freeze Frame switch (4) Shooter 2. The Shooter has pressed
when the single line CONTROL box
is displayed and the mission status is the Freeze Frame switch to display the
FIRE initiates the following: full CONTROL box. The Shooter must
now determine whether to accept or
The SHOT control option is provided and reject the mission.
if selected, the mission status changes to (5) Shooter 3. The Shooter has accepted
SHOT SENT and the mission and has transmitted an
the SHOT message is sent. accept (ACCEPT SENT) message.
(6) Observer 3. The Observer has received
c. Typical AIR Mission Example. Figure 4-120 the accept (ACCEPTED) mission
provides an example of a typical AIR Fire message from the Shooter.
Mission. This example shows the mission (7) Shooter 4. The Shooter has received a
interface between the observer’s and machine generated acknowledgment
shooter’s role and starts with generation of (ACK) from the Observer.
4-257
TM 1-1520-248-10
PULL
MAN
PULL
BKUP
BRT
C
ONT
HSD COMM
300 330 N 030 060 E
VSD
W
SAF>H
=12
=03
CLR
MSN
SEND
A AGAIN
4600
ARM TAC 2X
PNT TRK MMS
PULL
MAN
PULL
BKUP
BRT
C
ONT
HSD COMM
300 330 N 030 060 E
VSD
W
SAF>H
=12
=03
CLR
MSN
A
4600
ARM TAC 2X
PNT TRK MMS
PULL
MAN
PULL
BKUP
BRT
C
ONT
HSD COMM
300 330 N 030 060 E
VSD
W
SAF>H
=12
=03
CLR
MSN
A
4600
ARM TAC 2X
PNT TRK MMS
PULL
MAN
PULL
BKUP
BRT
CONT
HSD COMM
300 330 N 030 060 E
VSD
W
SAF>H
=12
=03
CLR
MSN
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OPERATOR’S MANUAL FOR ARMY OH-58D HELICOPTER 2(44)
